Farm Updates
Nuts - Another Study Establishes Health Benefits
(1 vote)

From the prestigious New England Journal of Medicine, another peer reviewed article showing that a diet that incorporates tree nuts can sigificantly reduce the risk of heart attacks.....

http://www.nejm.org/doi/full/10.1056/NEJMoa1200303

 

and further reported here...

 

http://online.wsj.com/article/SB10001424127887324338604578326160736614012.html?mod=WSJ_hps_MIDDLE_Video_second

 

Pecans should be a constituent of everyone's daily diet. Eat more pecans, live longer!

 
When the River Runs Dry.....( 2011 Update)
(1 vote)

 

The Floodplain of the Nueces River; Massive Tree Death Progressing

 

 

Pecan trees are heavily dependent on a constant source of water to produce full, good tasting nuts. Deprive the tree of water at various times of the year and you get small leaves, small nuts or empty, hollow shells. There are no shortcuts when it comes to producing the type of nuts people want to bite into at Thanksgiving; the tree must get water at regular intervals throughout the growing season.

In our orchard, we have three sources of water to get us through the growing season. We normally receive 23 inches of rain throughout the year; we are located next to the Nueces River and we have a decent aquifer, the Carrizo, underneath us. We use pumps to move the water from either the river or the aquifer to the rows of thirsty, growing trees. In a normal year, we watch the radar for rain, and when we see a dry spell forecasted, we turn on the river pumps to accomplish our irrigation. And in an emergency, well, we can always pump from the deep aquifer below us.

 

So what could go wrong with this nice, bucolic picture? In a word.....everything. South Texas is entering year five of the drought, perhaps the worst drought of all time. It didn't rain but 6 inches in 2008, and so far this year we have received about 3 inches of rain. The Nueces River has not had any water flowing in it during the past five years; the riverbed is a dry trail of exposed stones and baked brown dirt. It has simply stopped raining in South Texas, and we are on the verge of turning into another Dust Bowl. According to Texas State Climatologist John Nielsen-Gammon, the rainfall between October of 2010 and May of 2011 was the lowest since record keeping began in 1895.

 

When knowledgeable people discuss droughts in Texas, the reference period that is usually brought up is the seven year stretch in the mid 1950's. The writer Elmer Kelton referred to it as " The Time It Never Rained...". Year after year, the spring rains never came, the grass never turned green, and slowly, most of the great cattle herds were sold off or they perished. Day after day, people looked up at a brilliant blue sky, and prayed that they would see a rain cloud. And for years on end, they didn't; there were only more hot sunny days, and a parched earth under their feet. Towards the end of the 1950's, the state considered building a huge canal system to bring water from the rainier, eastern part of the state to the arid western part. Of course, once the rains started to fall, the project was put on a shelf somewhere to collect dust.

During the 1950's, the state of Texas had a population of 8 million people. Today, there are over 25 million people in Texas. A number of large reservoirs were built in the 60's, while the memory of the drought was still fresh. But as time passed, fewer reservoirs were built, and most of the ones proposed over the last forty years were stopped by local groups that wanted no change to their environment. The result of this indifference as the drought worsens is predictable; the fight over every existing source of water is growing.

When it comes to entities that are habitually short of water, the City of San Antonio sits in a league all by itself. From a hydrological perspective, San Antonio sits atop a small sliver of the environmentally sensitive Edwards aquifer. It doesn't take much pumping to threaten the flow at two historic springs, the San Marcos Springs and Barton Springs, and so the city simply cannot expand their production of ground water. There are limited supplies of surface water, and in fact the famed Riverwalk would run dry if the tail water wasn't recirculated to the beginning of the watercourse as it winds its way through the downtown section.

Over the years, San Antonio has proposed a number of whacky solutions to help solve its water woes. One solution sought to pump water from the Colorado River in Matagorda County through a 170 mile pipeline to the city. This would have required the water to be lifted uphill, as the elevation difference between the river and the city was over 700 feet. The energy needed to pump this water, day in and day out, was enormous, and so this plan was quietly shelved. Well, maybe not so quietly, as the City has filed suit against the proposed supplier of water, the LCRA, leaving suitor and suitee locked in a legal embrace for years to come.

More recently, San Antonio looked west, and proposed another 70 mile pipeline project that would move water from the Uvalde area to the western part of San Antonio. Now, unfortunately, in almost any part of Texas, you can find some third generation ne'er do wells who will sell water rights, easement rights for electrical transmission lines or even the aged wood off the old barn for a little beer money. The fact that this will cause hardship to all the local farmers who are still actually getting up each day and trying to earn an honest living is of little matter to these types. The Texas legislature took a look at this, and said nothing doing. So for now, this project is at a dead end, but with a growing population, San Antonio will be forced to continue its search for a source of water that will allow the city to keep its numerous car washes and water amusement parks operating.

One group has been able to jump right into the water fray and establish itself as an entity to be reckoned with. We refer, of course, to the oil industry, from the giants, such as Exxon on down to all the smaller players. With the discovery of the Eagle Ford Shale play, the south Texas region is in the midst of a massive oil boom. But unlike booms of the past, this new drilling employs the hydraulic fracturing of the rock, and massive amounts of water are required to execute this technique. With so little water available, the oil companies have been drilling numerous wells into the Carrizo aquifer. They are pumping out so much water that the aquifer level has been dropping precipitously over the past two years. Of course, the region has numerous Underground Water Conservation Districts, to restrict the drilling of new wells and ensure that the existing water users, who are mainly agricultural, continue to have a source of water. Unfortunately, most of the ag users don't have 50 person Legal departments back in Houston, and apparently, if you are an oil company, you are exempt from all local regulations anyway. We can ony hope that some of the well funded environmental defense groups will step into the void and investigate how the oil companies have been able to establish a stranglehold on the South Texas groundwater supply.

For now, the drought continues, and each hot, sunny, 110 degree day exhausts a little bit more of our water supply. Farmers and ranchers continue to take the brunt of the pain and damage caused by the lack of rain. Some farmers, their cotton and corn crop shriveled by having no moisture during the growing season, will call it quits, and other farmers will be told by their banker to put a 'For Sale' sign up on the place. Those who remain will question their own sanity. It has gotten to the point where the only course of action left is to "Pray For Rain". So, to all who enjoy eating great tasting, organic pecans, we ask that you say a small prayer; hopefully Mother Nature will do the rest.

 
Tropical Storm Hermine Misses Orchard...
(1 vote)

Tropical Storm Hermine moved through South Texas early on Tuesday morning, September 7th. We are very fortunate that the storm passed to the east of the orchard, and the heavy rain and winds did not materialize in either RGO orchard. The original projected path of the storm would have passed right over the Crystal City, Tx area, and the storm could have potentially reeked havoc on the pecan crop. At this time, the trees are already straining under the heavy pecan crop load, and additional weight from the rain, combined with high wind, would have broken many limbs. Once again, we are reminded that there are many risks involved in the production of food, and we certainly can't control the path of a tropical storm.

 
Rio Grande Organics Pecans Used In New Breakfast Cereal......
(2 votes)

We are happy to update our customers that you can now enjoy our organic pecan pieces in a new breakfast cereal from Natures Path. The cereal, Flax Plus Maple Pecan Crunch, is a combination of toasted flax flakes and granola made with organic maple syrup and organic pecan pieces. It tastes as good as it sounds, and better still it is made with only certified organic ingredients! We hope you will try a box today, and if your local market doesn't carry the product, please ask your grocery aisle manager to request and stock this wonderful, healthy new cereal.

 
Pitching in for a community cleanup day.
(0 votes)

Recently, Rio Grande Organics helped to organize a community cleanup day...and boy were we surprised by the number of people who turned out to pitch in!!

On February 23, 2008, over a hundred people gathered in the small town of Quemado, TX to pitch in and help cleanup the town. We filled up two garbage trucks with the litter that was picked up, and we re-painted the stands at the community baseball field. Many Rio Grande employees gave up their Saturday to participate!

As you can see in the second picture, one of the real highlights of the day was the number of children who showed up with big smiles and the energy to make it happen.

Picture three, left to right: Pete, our Quemado orchard manager, Luanne, Ky Anne, our Director of Community Relations, Bob, Tim, from Wilbur Ellis, our other main co-sponsor of the day, and Patti.

In the next image, the 50 acre field was planted with the Pawnee variety this past winter. We are planting the trees on a very dense spacing in this field, around 70 trees per acre. This will allow us to make better, more efficient use of water in the early life of these trees. When these trees are seven years old, we will use a special piece of equipment to dig up every other tree and move it to a permanent location.

Clearing work continued all throught this past winter. Take a look at the last image and you can see how it progressed. We are clearing about 200 acres of land that will be replanted in pecan trees over the next few years. Pecan trees are native to both the Rio Grande River and the Nueces River. The southern United States and northern Mexico are the only places on the planet where pecan trees thrive. Demand for pecans in the Chinese market is doubling every year!

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Pecan Entomology 101.
(1 vote)

People often ask us what it takes to grow pecans organically. One of the first subjects that an organic pecan grower has to master is an understanding of the insects that attack the pecan tree and the young nuts.

First shown is a nut that has been growing on the pecan tree for about six weeks. The mass of material at the base of the nut is called "frass"; it is actually feces left behind by a pecan casebearer worm as it chewed its way into the young nut. The worm is now inside the nut, eating all the soft tissue. This nut would fall off the tree in a matter of weeks, as the nut dies once a worm eats into it.

With the frass cleared away, you can clearly see the nice round hole where the worm has bored into the nut (in the second picture). We try every year to limit the damage to about 2% of the total nuts that are set on the trees. Without some type of control strategy, a pecan grower can lose between 50% and 70% of the crop to the pecan casebearer worm.

Next we can see that having been disturbed, this worm is crawling back out of the nut. Normally, the worm would morph into the pupal stage, and eventually it would emerge as a next generation moth. The moths lay eggs on branches close to the small nut. Our entomologist, Robert Sandner, scouts the orchard every two days looking for casebearer eggs. When he finds enough eggs, we spray the orchard with bT, a bacteria that is harmless to people, but is deadly to the newly hatched worms.
Next, it looks like Mr Worm is headed for the border!!

All food producers, whether conventional or organic, face challenges controlling damaging insects. In our organic farming system, we use naturally ocurring substances, as opposed to synthetic chemicals, to control damaging insects. Our system of scouting for insects is very labor intensive, and the timing of our applications of bT is critical to achieve control.

In the fifth picture, you can see where the pecan casebearer worms have damaged three out of the four nuts. If this level of damage is extensive in the orchard, then there is very little chance of having a crop at the end of the season. Fortunately, in our four years of using organic farming methods, our orchards have built up large numbers of beneficial insects, such as lady beetles and green lacewings. These insects eat the casebearer eggs, and help to control the casebearer outbreak.
Finally shown, this young pecan tree is entering its second growing season in Quemado. We are seeing some of the young branches exceed three feet of growth in one season. We are experimenting with a number of techniques to maximize the yearly growth on these young pecan trees.

Currently, most pecan trees need seven to eight growing seasons before they start to produce a harvestable crop. We are hoping that land leveling, intensive water and organic fertilizer management, and weed control will reduce this waiting period. The long period between tree planting and full nut production is one factor that keeps world nut production low, and nut prices high. As people look to add healthier items to their daily diet, the demand for tree nuts will continue to grow!

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Winter work.
(0 votes)

Many people are under the impression that winter is a time of rest for pecan farmers.....the reality is that it just may be our busiest time of the year!

It is now late March, and our pecan trees have not yet started to put out their new leaves, a process we call 'bud break'. The pecan tree will start to flower and put out it's pollen producing catkins very soon after bud break. The actual pecan nuts start to form in late April, and they will be growing and developing on the tree for close to six months.

The pecan trees in Crystal City have grown to a point where their size is interfering with the growth of surrounding trees. The Crystal City orchard sits on the bank of the Nueces River, and the soil is an optimal alluvial river soil. With proper watering, these trees are capable of living for 200 years, and attaining a height of 100 feet. We have had to designate about half of our trees as permanent trees, and the rest of the trees are 'temporary', although temporary may turn out to be 20 years. Our men have been hard at work extensively pruning back the temporary trees, and this will allow the permanent trees to continue to grow and produce lots of nuts. Note the heavy crop of clover growing under the trees; this will help put lots of nitrogen into the soil.

At Rio Grande Organics, we embrace our responsibility to future generations. This winter, we completed the planting of 40 acres of new pecan trees. We will be old men by the time that these trees are productive and full grown, but our children will be able to enjoy the nuts that are produced. Many people talk about making the world a better place - we are busy planting trees!

Our Quemado foreman, Alan Frerich, and our whole Quemado crew did a great job planting these new trees. These young trees will depend on water from the Rio Grande River for their survival. Agriculture in the US has been under relentless pressure from developers and environmentalists, who claim that our efforts are 'wasting water'. We like to think that watering suburban lawns and building endless car-washes is a much greater misuse of our precious resources.

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The adrenaline begins to flow...
(0 votes)

It's harvest time in Crystal City, and Rio Grande Organics gears up to get the precious pecan crop harvested before any weather disasters strike.

Check out how our harvest season gets under way as our tree shakers move into action. This machine clamps ahold of the tree, and uses a powerful hydraulic engine to shake the tree vigorously. The ground under this tree is littered with pecans that have just been shaken off. Note the sweepers in front of and behind each wheel; these devices gently move the pecans to the side of the wheels as the vehicle moves through the orchard.

Next, the cluster in image two shows the progression of ripening pecan nuts. The nut on the right is at the stage where the green shuck is beinning to split open along the suture lines. The nut in the left center area shows the shuck fully open and drying to a brown coloration. In the last month prior to harvest, the nuts are susceptible to shuck decline disease and the shuckworm; both will keep the shuck from opening normally and will result in damaged nut meat.

In the next cluster, all of the shucks have opened normally, and the nuts will easily fall from the tree when shaking pressure is applied. The nuts can actually remain in this loosely held position for months.

In the fourth image, our senior organic consultant, Robert Sandner, stands in front of the first load of pecans harvested in 2006. Some of the pecans are still inside of their green shuck. A special machine in our cleaning plant will remove the shucks so that the nuts can dry out and be shelled. The 2006 harvest is very special to us, as it marks the end of our three year transitional period. The pecans harvested from our Quemado, TX orchard will be our first large 'Certified Organic' crop.

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A long, hot summer.
(0 votes)

Most of Texas is suffering from severe or extreme drought. We are very thankful for the irrigation systems that water our orchard.

First here, we see a picture of our nutlets back in early April. Someone once asked, “What does it take to make a good pecan?“ The answer is that it takes plenty of sunshine, plenty of water, and some method for keeping the destructive insects and fungi off of the developing nuts and leaves.

One of the questions that we are most frequently asked is “Aren't all pecans grown organically?" While this may be the case for some backyard trees, it is not even remotely the case for most commercial orchards. In order to control the insects that eat the developing nuts, and to control the fungi that grow on the nut's outer shuck, most commercial growers spray synthetic chemicals on the trees numerous times each year.

In the second picture, five months have passed, and these nuts are nearing maturity. The green shuck will split open, and the ripe nut inside will be ready for harvest. The highlite of the 2006 growing season was a hail storm that missed our orchard by less than half a mile. The baseball sized hail took the paint off of some nearby houses.

Farming in Texas is not for the faint of heart. Most of the state is subject to episodes of serious weather, including hail, tornadoes, hurricanes, floods, windstorms, and drought. Any one of these events can damage or destroy an agricultural crop. California, by comparison, is rarely subject to extreme weather, and as a result, it is the most productive farmland in the world. So , why do we continue to farm here? The answer is simple: the finest tasting pecans in the world are grown in South Texas!

Next, we see the latest addition to Rio Grande Organics. These 400 acres of pecans are on the banks of the Nueces River, near Crystal City, Texas. We have begun using only organic methods in this orchard. The trees were originally planted by Dr. Darrell Sparks of the University of Georgia, perhaps the worlds leading expert on pecan tree horticulture.

Most of the pecans in this orchard are of the Wichita variety, a heavy bearing, dependable producer. Pecans are notorious for being alternate bearers, meaning that the trees will only bear a crop every other year. Rio Grande Organics has an extensive program of nutrition, crop load management, and water management that has helped to reduce this tendency. We are fortunate to have two of the best pecan growers in Texas working with us; Robert Sandner, our organic consultant, and Joe Urban, our Crystal City farm manger.

In the fourth image, you can see the Amistad Reservoir, which was formed by damming the Rio Grande River just north of Del Rio, TX. A canal system that was built in the 1920's to irrigate farmland along the Rio Grande River brings water from this lake to our pecan orchard in Quemado, TX.

This reservoir is capable of holding 4.5 million acre-feet of water, with one acre-foot being the equivalent of 326,000 gallons of water. The Amistad Reservoir is one of eight reservoirs in Texas that can hold more than 1 million acre-feet of water. Only one of these giant reservoirs was built in the last thirty years; the other seven were built by a prior generation of forward looking citizens. Environmental opposition has halted the construction of most new reservoirs in Texas. If you like the “win-win“ of reliance on foreign oil, you're going to love being dependent on foreign food!

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Planting for the next generation.
(0 votes)

The pecan trees we are planting this winter will start to bear nuts in 8 years, and they will reach full production in about 16 years. We hope we're around to see that...

The young pecan tree shown in image one is putting on a big flush of new growth. We use borders along the tree row to flood irrigate each strip of new trees. This land was precision leveled with a GPS system and large earth moving equipment before the trees were planted. This ensures that the irrigation water and the rainfall will flow evenly across the land.

As the irrigation water moves down the row, many of the weed seeds are germinated, leaving the green strip you can see in image two. As an organic farm, we do not use herbicides such as RoundUp to kill the weeds. We will actually mow the weeds to create a mulch strip. Marcello Stabile, our agronomist from Brazil, helped to oversee the planting of 50 acres of new pecan trees this winter.

Native pecan trees are usually found growing along rivers in the southern US and Mexico. Although the field in the next image is only about 100 yards from the Rio Grande River, it is unlikely that flood water from the river will reach the trees. An extensive system of dams and levees is in place to control the flow of the Rio Grande. Rest assured, however, that nature will eventually put together a flood event that will put this whole area under water.

This spring, we are growing about 60 acres of watermelons. The next image shows that using a mechanical planter and the seedlings that we raised in a greenhouse, our crew is able to plant about 25 acres of watermelons a day.

Finally, you can see that we have spent many hours perfecting the art of mechanical weed control. We use various implements , such as a rotary hoe, to control the weeds in our melon patch. To do a good job, you have to drive the tractor in an absolute straight line. It is much faster and easier to spray a field with herbicide, but we simply don't know much about the long term effect of exposure to synthetic chemicals in our diet.

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