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Texas AgriLife Extension crop, weather report for Oct. 27, 2015

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By: Robert Burns

For most Texas pecans, Hurricane Patricia was the perfect storm

Except for Far West Texas, most pecan growers typically only have enough irrigation capacity to supplement, not supply, all the orchards’ water needs during a drought, said a Texas A&M AgriLife Extension Service horticulturist. (Texas A&M AgriLife Communications photo by Robert Burns)

Writer: Robert Burns, 903-834-6191, rd-burns@tamu.edu

COLLEGE STATION – Heavy rains in many parts of the state may have damaged some crops, but for this year’s pecan crop, it was “just what the doctor ordered,” said a Texas A&M AgriLife Extension Service specialist.

Comprehensive reports of damages to row crops and structures such as fences and roads are not in yet, but in most cases the rains and cooler weather couldn’t have come at a better time for pecans, said Dr. Larry Stein, AgriLife Extension horticulturist at Uvalde.

“Pawnee, the earliest commercial pecan variety, has been harvested, and most people were working on Wichita and starting in on Cheyenne pecans,” said Stein. “But some of these varieties have a ways to go. They weren’t totally full. So this rain we just received was very beneficial to finishing out the kernel and causing the shucks to open on the trees.”

 

Download or preview a two-minute MP3 audio version of this report
Far West Texas pecan growers anticipate dry weather during the growing season and typically have enough irrigation capacity to see the crop through a drought, he said.

Pecan growers in other parts of the state usually do not have adequate irrigation systems for their orchards. If they do, their systems may have only enough capacity to supplement the crop’s water needs, not offset months of drought, he said.

“And make no mistake about it, irrigation is just not as good as rain,” Stein said.

The main effect of water stress is for the nuts not to completely fill out, he said.

“Typically, then the nuts have trouble opening up, and when they have trouble opening up, then there’s a chance for the nuts to sprout and the shuck to stick tight to the nut itself,” he said.

The cooler weather accompanying the storms was also ideal for the crop.

“The cooler weather actually causes the maturing to go faster,” Stein said. “Out west, they hope for freeze to knock the leaves off the tree and help open up the shucks.”

There might be instances where the rains were too much, too fast, such as where 10, 12 or 18 inches of rain fell.

“Too much rain can cause the nuts to sprout, depending upon the stage of maturity,” he said. “But I don’t expect that to be a common problem this year.”

And there were instances of hail storms severely damaging pecan orchards this year in El Paso County, but that is a risk growers face every year, Stein said.

Climatologists posted the first hurricane watch early in the morning of Oct. 21, just six hours after Patricia was named a tropical storm, said Dr. John Nielsen-Gammon, state climatologist and Regents Professor at Texas A&M University, College Station.

“The median rainfall total for the event across all reporting gauges in the state, partially adjusted for data coverage, was 3.95 inches,” he said. “The biggest surprise to forecasters with this event was that the rain was concentrated in Texas rather than spread over a wider area. For northern Oklahoma and central and eastern Kansas, which were also expecting lots of rain from this event, it was a complete bust.”

AgriLife Extension district reporters compiled the following summaries for the reporting period of Oct. 20–26:

The 12 Texas A&M AgriLife Extension Districts

Central: Soil moisture, livestock, rangeland and pasture were rated as being in good condition. Crops were in fair condition. From 4 to 15 inches of rain caused severe flooding in some areas. Many wheat fields were expected to have to be replanted. The wet conditions delayed cotton harvesting, but benefited pastures and rangeland. Runoff filled stock-water tanks and streams. The Brazos River was up to its banks. Producers were providing livestock with hay and supplemental feed.

Coastal Bend: The region received from 2 to 8 inches of rain, which raised soil moisture. Winter pasture seed that had been lying dormant in dry soil was expected to emerge soon. Many producers, responding to the forecast, applied fertilizer before the rains. Ranchers hoped the rain would spur forage growth enough to allow one more hay cutting. Pecans were being harvested with low to fair yields. Fall calving continued.

East: The entire region received much-needed rains, with accumulations of more than 11 inches. Many producers had planted winter pastures in anticipation of the forecasted rain. Stock-water ponds were replenished. Most of the rain fell slowly, and there was very little runoff. Producers hoped to soon see regrowth in cool-season grasses. Cattle remained in good condition with producers providing supplemental feed and hay. Weaning of fall calves continued. Most spring calves had been sold. Prices of steers and heifers were steady to $7 per hundredweight higher. Houston County calf prices were slightly higher. Some producers had been selling because of the drought conditions. Feral hog problems increased.

Far West: The region received from 1 inch to 7 inches of rain, with Upton County getting the most. The rain slowed or halted all field activities, including cotton harvesting and the planting of winter wheat. In El Paso County, hail damaged many crops – some pecan farmers reported 100 percent losses. Producers in Brewster and Jeff Davis counties were in the middle of fall cattle working. Weaning weights were good, as well as the overall condition of cattle. Pastures and rangeland were in good to fair condition.

North: Topsoil moisture was short at the beginning of the reporting period but surplus in some areas by the end. Hurricane Patricia provided some much needed drought relief Oct. 23-25, bringing from 6 to 7 inches of mostly slow-falling rain. The rain was probably too late to revive warm-season grasses but should be good for wheat and winter pastures. Anticipating the rain, producers amped up wheat planting the previous week. The runoff raised pond levels and caused flooding and erosion of fields and farm-to-market roads. Saturated soils and standing water may pose problems for future production of wheat and other forage crops. Wild hogs were still causing costly damage to fields.

Panhandle: Temperatures were near normal for the week. Rainfall ranged from 0.5 inch to as much as 7 inches in some areas. Harvesting was halted by rain throughout most of the region. Collingsworth County received from 1.5 to 2 inches of rain that halted harvest activities but benefited earlier-planted wheat. Dallam and Hartley counties received 2 to 4.5 inches of rain this week. So far this year, the county has received 20 to 25 inches of precipitation, which is about 5 to 8 inches above normal. Because of forecast cool temperatures, it was expected to take some time before fields dried out enough to resume harvest activities. Deaf Smith County got 2 to 7 inches of rain, with 4 inches common. Lipscomb County received 1.3 to 2.4 inches, but that was enough to bring harvesting to a standstill. Moore County got 4 to 6 inches of rain. Randall County received 2-4 inches, which delayed harvest, but was excellent for recently planted winter wheat. The sorghum harvest was nearly completed before the rain, with yields varying from 2,000 to 8,000 pounds per acre – the average was about 4,000 pounds per acre. Corn harvesting was mostly completed, with yields of about 240 bushels per acre.

Rolling Plains: The region received as much as 5 inches of rain in some areas. The rain halted cotton stripping but helped producers who wanted to plant wheat for grazing. Livestock were in good condition. Rangeland and pastures were also in good condition. Runoff helped replenish reservoirs and ponds.

South: The region received widespread rains as a result of Hurricane Patricia and another weather system in the upper and mid parts of Texas. In the northern part of the region, the peanut harvest was in full swing and the cotton harvest was winding down. Harvesting was interrupted by rain at the end of the week. Oats and wheat began to emerge. Producers also continued to plant wheat and oats. In McMullen County, rainfall amounts ranged from 1 inch to 3 inches, which improved soil moisture but most likely came too late for the summer perennial grasses. Soil moisture was mostly adequate in the northern counties. In the eastern part of the region, from 1 inch to 6 inches of rain helped improve rangeland and pastures. Soil moisture was mostly adequate in the eastern counties. In the western part of the region, rains boosted grass growth and pasture greenup. Supplemental feeding of livestock was minimal; in some cases, no supplemental feed at all was required. Cotton gins continued activities, but were expected to finish by the end of October. Cabbage and spinach crops made good progress. Some early planted cabbage fields will be ready for harvest in the first week of November. Pecan harvesting was active. Wheat and oats emerged thanks to the recent rains. Soil moisture was mostly adequate in Dimmit and Maverick counties, but short to very short in Zavala County. In the southern part of the region, fields and pastures were saturated after heavy rains. The end of week brought ample moisture with strong rainfall to the Cameron County area, saturating fields and pastures throughout the area. Vegetables progressed well, and draining of irrigated fields with vegetables continued. By the end of the weekend, more than 4 inches of rainfall was reported in the Cameron County area. In the Hidalgo County area, winter vegetable planting continued. In Starr County, fall vegetable crops were progressing well. Rangeland and pastures continued to improve. Soil moisture was 100 percent surplus in Cameron County, and 100 percent adequate in Hidalgo and Starr counties.

South Plains: Rainfall varied from 1.5 to as much as 7 inches, which halted cotton and corn harvesting for several days to a week. The effect of the rain on cotton lint and grain quality was not yet known. The rains benefited pastures and winter grasses. Cattle were in good condition. Rainfall amounts were: Floyd County, from 2.5 to 3.5 inches; Swisher County, 3.5 inches; Crosby County, as much as 5 inches; Lubbock County, from 1.5 to 4 inches; Garza County, 2 to 3.75 inches; Mitchell County, 3 to 7 inches; and Scurry County, 3 to 4 inches.

Southeast: Soil moisture varied widely, but was mostly adequate to surplus, with adequate being the most common rating. Rangeland and pastures varied widely too, being mostly fair to poor, with fair ratings the most common. Rainfall amounts varied widely too. Brazos, Galveston, Chambers and Lee counties received heavy rains. Chambers County accumulations totaled 6 to 10 inches. Brazoria County only received light showers. Montgomery County got less than 0.1 inch, and dry conditions persisted in Waller County. Fort Bend County remained dry enough for producers to catch up on fieldwork. A burn ban remained in place in Waller County.

Southwest: The region received from 1.5 to 4 inches of rain. Most producers had winter wheat planted before the rain, though many had to rush to get it done ahead of the rain. Many ranchers also seeded winter grasses and put out some fertilizer. Brush and grasses responded to the rain, but growth was slow with the cooler weather. The condition of livestock slightly improved with the greener grasses. Wildlife continued to be in good condition.

West Central: The region had milder temperatures with very cool nights. Heavy rains, a side effect of Hurricane Patricia in Mexico, fell in many parts of the region. Some flooding occurred, along with damage to roads and fences. Some creeks became impassable at times, and ranchers had to repair water gaps. Stock-water tanks began to fill from runoff. Many producers started applying fertilizers and planting oats and wheat just ahead of predicted showers. Winter wheat planting was expected to resume when field conditions allowed. The cotton harvest was in full swing but was then delayed by the rains. Some yield and quality loss was expected. Rangeland and pastures were expected to respond well to the rains. Livestock remained in fair to good condition. Cattle prices remained high.

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Tracks in the Sand

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This morning, I walked out into my arena and noticed something that gave me pause. The roping steers had been in there the day before, and even though the ground was wide and level, the sand carried their story. Hoofprints crossed every direction, but in several spots, the same trail was pressed deeper than the rest. Twelve steers had been turned out, yet more than a few chose the exact same path, wearing it down until it stood out from all the other tracks.

Cattle are creatures of habit. Anyone who has spent time around them knows this. They like routine: the same feed, the same water trough, the same shade tree in the pasture. When they are turned loose, they rarely wander without purpose. More often than not, they move together, following the same course as the steer in front of them. There are reasons for this: efficiency, safety, instinct. Walking a beaten path conserves energy, and following the herd is their natural defense. Even in an arena with no real destination, those instincts come through. By the end of a short turnout, you will see the evidence, lines where they have chosen the easiest way to travel and stuck with it.

Out on the range, those lines last longer. Before fences and highways, cattle drives cut deep paths across the land. The Chisholm Trail, which carried herds north from Texas through Oklahoma into Kansas, was walked by millions of cattle in the late 1800s. More than a century later, faint traces of those trails remain, worn so deep by hooves and wagon wheels that the land still carries the mark. On ranches today, you can see the same effect in pastures where cattle walk the same lines between water and grazing. From the ground those trails might look like nothing more than dusty ruts, but from the air, they sometimes stand out as sharp lines winding through otherwise open fields. Cattle do not simply pass over the land; they shape it. Every step adds up.

That simple truth extends beyond livestock. We all make tracks. Our habits and routines are our trails, worn in by repetition, sometimes efficient, sometimes limiting. Like the cow paths, they can serve a purpose, keeping us steady and helping us move forward. But when repeated without thought, they risk becoming ruts, keeping us from stepping into new ground. History offers perspective here too. The old cattle trails built towns and economies, but once railroads and fences changed the landscape, those paths were no longer useful. Sticking to them would have meant going in circles. Progress required something new.


The Tracks We Leave

Standing in the arena, I thought about the kind of tracks I leave behind. Most of mine are not visible in the dirt. They are pressed into my daily life, how I work, the way I handle challenges, the example I set. Some are helpful and worth keeping. Others may have outlived their purpose. The difference comes in knowing when to stay in the track and when to step out of it.

Tomorrow I will drag the arena and smooth it all clean again. The next time the steers are turned in, they will make the same trails. That is their nature. But unlike them, I have a choice. I can decide which paths are worth walking, which ones to change, and what kind of tracks I want to leave for others who might follow.

Tracks tell a story. Sometimes they are only temporary, fading with the next rain. Other times they last for generations, reminders of where herds and people once walked. This morning, the cattle showed me again that even the smallest things on the ranch carry meaning. Their tracks in the arena were not just marks in the sand. They were a lesson: every step matters, and the paths we choose shape more than just the ground beneath our feet.

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Grazing North Texas – American Lotus

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Farmers and ranchers are in a very close partnership with Mother Nature. If we really pay attention, she presents us some interesting scenarios.

For example, though they are totally different types of plants, water lilies and prickly pear have a lot in common. They both have strikingly beautiful flowers, both plants are edible, both of them are invaders into their respective habitats, and too much of either one can be an obstacle that we have to deal with.

Many north Texas ranches rely on excavated ponds for livestock water. Any time a pond contains a significant amount of shallow water so that sunlight reaches the bottom, some type of pond weed will develop. The plant family that includes water lilies and lotuses is a common invader in our livestock water.

Water lilies and lotuses are in the same plant family but they are two separate genera. There are easy ways to tell them apart:
• A primary difference is that water lily leaves commonly float on the surface, but lotus leaves can grow above the water line.
• Water lily leaves and flowers are thick and waxy, while lotus leaves and flowers are thin and papery.
• Water lily leaves have a distinct notch in the leaf, while lotus leaves are more rounded.
• Water lily flower petals are pointed, and lotus petals are more rounded.

The photos attached to this writing are from Clay County, and this plant is common across north Texas. American lotus is adapted to a wide area, from Honduras north through Mexico and across the eastern US and into Canada.

American lotus is a perennial, and it is cold tolerant and heat tolerant. It can grow in any pond or slow moving stream that contains shallow water areas. It prefers water with a depth of about 12 inches. Germination can occur from the large lotus seeds. Tubers, or roots, are established in the mud, and long slender stems extend upward. Leaves and flowers are both emergent in that they grow above the water line.

Lotus flowers are fragrant, and yellowish white with rich gold centers. They open in the morning and close by late afternoon, then open again the next day.

Lotus is an edible plant and has a history as a food source. The large tuberous roots, the size of a human arm, were baked like sweet potatoes. The leaves were eaten like spinach, and the large seeds were ground into flour. Stems taste somewhat like beets and were usually peeled before being eaten.

There is a large world-wide industry of cultivating lilies and lotuses in water gardens. According to Dr. Jerry Parsons, Professor and Extension Horticulturist with Texas A&M AgriLife Extension, cultivation of these plants dates back as early as ancient Egypt. Today, anyone with determination and a little money can have a water garden.

In 2011, the 82nd Texas Legislature designated the water lily “Texas Dawn” as the official Texas State Water Lily. Texas Dawn is a hybrid developed by Texas resident Kenneth Landon, a world-renowned expert in the field of water lilies and the director of the International Water Lily collection in San Angelo.

Ducks and other wildlife utilize the large acorn like seeds of American lotus, and submerged portions of all aquatic plants provide some form of wetland habitat. Many of us have tried to pull a bass out of a group of water lilies or lotuses, and I’m sure others have had better luck than I did. Although there can certainly be benefits to lilies, lotuses, and other aquatic plants, they can also infest ponds to the extent that the pond is not functioning correctly.

So, while the rest of the world works hard to grow these plants, ranchers sometimes need to control populations in their stock ponds. Once it gets a foot hold, American lotus can spread aggressively in wetland areas.

The primary issue that encourages American lotus, and most other water weeds, is shallow water. Look closely at a good livestock pond and you will find that the deeper water is basically free of infestation. Any pond will have a certain amount of shallow water that encourages water weed growth, depending upon the terrain at the pond site and how the pond was constructed. Some ranchers who enjoy and utilize wetland habitat may prefer to have ponds with significant shallow water area.

Almost all livestock ponds have a certain life expectancy. Siltation, or movement of soil into the pond bottom through rainfall runoff, is a natural occurrence. How fast siltation occurs into each pond, and how deep the pond was to start with, determines the length of time that the pond will contain adequate depth for dependable water for livestock.

Ponds that develop infestations of water weeds over a large percent of the surface may not have adequate depth to remain a viable water source for livestock during drought periods, especially in western north Texas where evaporation rates are higher.

Mud, or silt, from the pond bottom, can be removed to deepen the water, but this is a very expensive process. It is often more economical to construct a new pond rather than try to remove the silt from an old one. Most of us do not have the funds to continually construct deep water livestock ponds, so we must try to keep existing structures functioning and providing good drinking water for livestock, for as long as we can. Control of pond weeds like American lotus may be necessary, and it can be accomplished.

There is currently no feasible biological control. American lotus can be cut and removed, but this process us usually temporary because lotus can reestablish from seeds and roots.

American lotus can be safely controlled by chemicals. This must be done carefully. If a pond containing a large amount of any pond weeds is treated to remove all of the vegetation, a fish die-off could occur. When the dying weeds decompose, they use up the oxygen in the water and fish can suffocate. If possible, treat only a portion of the area, wait about two weeks, and treat another portion.

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The Many Benefits of Rabbit Manure

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By Landon Moore

Rabbits offer a lot to the home gardener, and perhaps the most useful of all is their waste. Rabbit manure is likely the single most versatile and valuable fertilizer of any animal manure. It’s a “cold” manure, meaning it can be applied directly to plants in any form without the risk of burning them. In contrast, manure from sheep, horses, cows, and especially poultry must be aged before it’s applied, or it may damage plants. Because rabbit manure doesn’t need to be aged, it retains more of its nutrients and is therefore twice as rich as chicken manure and four times more potent than horse or cow manure. Rabbit manure is safe to apply to soil growing edible crops, has virtually no smell, and contains no harmful seeds. It can be used immediately, or be dried, powdered, made into tea, or turned into worm castings. A single trio of rabbits and their offspring can produce up to two cubic yards of fertilizer per year, along with 100 to 200 pounds of meat.

Rabbit manure is in such high demand as a fertilizer, particularly for roses, that it’s often sold online at a premium price. Some rabbitry owners even charge people to come scoop the manure themselves, paying by the bag. Larger rabbitries might sell by the truckload, but many owners keep it all for their own gardens. You may wonder what makes this little mammal’s excrement so uniquely useful. To understand, we first need to look at the qualities that make it special and then explore its various applications.

To begin with, let’s take a closer look at a rabbit’s biology. Contrary to popular belief, rabbits are not rodents but belong to the order Lagomorpha and family Leporidae, along with hares. All domestic rabbits are domesticated European rabbits (Oryctolagus cuniculus) and are unable to produce fertile offspring with American cottontails. Rabbits are considered “pseudo-ruminants” because they have a single-chambered stomach, but they also have an organ called the cecum, which functions similarly to a rumen and makes up about 40% of their digestive tract. They are crepuscular, meaning they are most active at dawn and dusk, typically feeding in the evening.

Rabbits actually produce two kinds of manure. The familiar dry pellets make up most of their waste, while the other type, known as “cecotropes,” is a moist and smelly substance resembling tiny bunches of grapes. Cecotropes are not fully digested, and because rabbits cannot chew their cud, they reingest the cecotropes as they are excreted. This fermented substance allows the rabbit to absorb more nutrients than it would through initial digestion. While cecotropes are occasionally found in cage trays, the feeding behavior that leads to them is usually only witnessed by the rabbit owner.

The dry pellets are the true manure that most people are familiar with. These small, round, dry pellets have almost no smell when kept dry. When crushed, they break down into a powder resembling tiny grass fragments because, in essence, that’s what they are. Some people crush the pellets before applying them to speed up their absorption into the soil, while others appreciate their “slow-release” feature. Additionally, the manure’s water solubility can be exploited in several ways. Soaking a wheelbarrow full of manure creates a potent sludge that can be easily applied to flat surfaces. If the odor is not an issue, the smell will dissipate once the manure is either dissolved by moisture or dried by the sun. Another method is to make manure tea: fill a cloth bag with manure, seal it, and submerge it in a barrel of water for a few weeks. A simpler method involves placing damp manure at the bottom of a barrel, filling it with water, and letting it sit in the sun for a couple of weeks. Stir occasionally, and you’ll have a powerful liquid fertilizer ready for use.

Domestic rabbits should be fed a modern, pelleted feed, which provides all the nutrients they require. This diet eliminates the risk of noxious seeds being present in the manure, making it safe to apply directly to the lawn, especially during winter. Winter and spring rains will break it down, and by late spring, you’ll have a healthy carpet of turf.

Rabbit manure’s nutrient content varies depending on factors like storage, age, and diet, but it generally contains around 2% nitrogen (N), 1.3% phosphorus (P), and 1.2% potassium (K). The Oregon Extension Service gives a range of 3-4.8% nitrogen, 1.5-2.8% phosphorus, and 1-1.3% potassium. Even at the lower end of the scale, rabbit manure has higher nitrogen content than poultry manure and twice the nitrogen content of cattle manure. One reason rabbit manure doesn’t burn plants is due to the biology of birds, which lack bladders and produce more ammonia in their waste. In contrast, rabbits release ammonia in their urine, which is why their manure may have a stronger odor.

Because of its balanced nitrogen-to-phosphorus ratio, rabbit manure promotes a wider variety of species in the same application area. Applying it directly to heavy clay soils will improve them quickly, especially when combined with other organic matter. It can also improve sandy soils by adding texture and helping them retain moisture. Anyone raising rabbits will have a steady supply of manure, as they are efficient producers. A small herd of 17 animals, including their litters, can produce about one ton of manure annually.

Beyond fertilizing, rabbit manure has several other uses. It is considered the best food for earthworms and can be combined with moisture-holding bedding like peat moss, shredded paper, or hay taken from used nestboxes. Many rabbitries (including my own) keep worm beds right under the cages. The resulting castings are rich in nutrients and can be used as-is or incorporated into soil amendments. A couple of feet of manure under a foot of soil in a hotbox can generate enough warmth to start and grow seeds, even in cold climates like Vermont.

In Europe and Asia, the rabbit meat industry is a billion-dollar market. While the Czech Republic leads in per capita consumption (over 8 pounds per person annually), China is the leading producer of rabbit meat. A recent study in China examined the effects of replacing peat moss in seed-starting soil with rabbit manure. The study found no significant difference in germination rates and noted that the manure provided increased nutrients for seedlings. The ideal ratios for seed-starting soil were found to be one-third manure, one-third perlite, and one-third vermiculite, or half manure and half perlite.

Rabbit manure is often overlooked as a nuisance, but as we can see, it’s an incredibly versatile soil conditioner, excellent fertilizer, ideal food for earthworms, and a superior seed-starting medium. Anyone raising rabbits should consider this another benefit, in addition to having a home meat supply, exhibition livestock, or pets.

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