Rio Grande Valley ag history
Dr. George H. Godfrey, the first plant pathologist in the Rio Grande Valley is shown in the early 1950s working at the then-Rio Grande Valley Experiment Station, now the Texas A&M AgriLife Research and Extension Center at Weslaco.

Agriculture tells the history of the Rio Grande Valley

The Rio Grande Valley has a rich history of agricultural production, including important research for citrus, cotton and vegetable production.

As the 1800s rolled into the 1900s, agriculture in the Lower Rio Grande Valley was in the midst of a major makeover, changing from a livestock economy to one of irrigated farming that would eventually fuel unprecedented growth in South Texas.

“The height of the Spanish colonial livestock economy in the Valley lasted roughly from 1770 to 1900,” says Dr. Luís Ribera, a Texas A&M AgriLife Extension Service agricultural economist in College Station. “It was too dry to grow crops in large quantities, so the economy was based on selling standing cattle and cattle by-products to Mexico.”

Ranches sprouted and flourished in the mid-1700s because of Jose de Escandón, a Spaniard sent to the area by Spanish authorities in Mexico City. He and his followers, the Valley’s pioneers, mapped and settled the fertile region on both sides of the Rio Grande, then known as Seno Mexicano, says Karen Fort, a local historian and co-author of Images of America: Hidalgo County, Texas.

“Escandón succeeded in his task far beyond expectations in this rugged country and renamed it Nuevo Santander after his native Santander Province in Spain,” she says. “Six thousand Spaniards answered the call to settle the land here, and within five years, Escandón had established 24 villages, 15 missions and 20 ranches, complete with almost 90,000 head of cattle.”

That laid the foundation for the settlement of the Lower Rio Grande Valley and the ranching empire that would dominate the land for the next 150 years, Fort adds.

“Efforts to irrigate parched corn fields near his settlements ended in failure because Escandón just didn’t have the technology to lift water up and over the high banks of the Rio Grande. Instead, crops were planted when floods subsided or in river bottoms. Away from the river, ranchers dug deep wells that were hand-operated 24 hours a day to water small crops and keep livestock troughs full.”

INTERNATIONAL LAW INVITES OUTSIDERS

After the Treaty of Guadalupe Hidalgo in 1848 formalized the national boundary at the Rio Grande, extranjeros, or foreigners, began moving into the area from Europe, marrying into local families and assimilating into the Mexican culture where little or no English was spoken until the early 1900s, Fort says.

“And by the end of 1910, most of the components were in place to begin the next phase of agriculture — irrigated farming.” “These included the centrifugal pump, the railroad, electricity, improved farming implements and what was then the largest private irrigation system in the world that helped land companies entice farmers from the Midwest to farm here.”

Between 1900 and 1910, 50 steam-engine pump houses had been built along the Rio Grande to irrigate farmland. At their height, they irrigated 1 million acres of farmland as land prices soared from 25 cents per acre in 1906 to $300 per acre in 1910, Fort says.

“Back-breaking farm labor was provided by landless locals as well as hundreds of thousands of Mexicans who were fleeing the violent and bloody Mexican Revolution of 1910 that ended the 34-year dictatorship of Porfirio Díaz,” she said.

RESEARCH STATION

On Oct. 6, 1923, a telegram from College Station arrived in what would soon become the city of Weslaco to advise local farmers that they had succeeded in their efforts to establish an experiment station to conduct scientific research on local crops and extend that information to growers.

The experiment station was originally known as Substation No. 15, and immediately began research under the direction of the state’s land-grant college, Texas A&M University, then known as Texas Agricultural and Mechanical College, says Dr. Jose Amador, center director emeritus and one-time director of the Texas A&M AgriLife Research and Extension Center in Weslaco and the Texas A&M-Kingsville Citrus Center.

“The original emphasis was to find solutions for the many problems that plagued citrus, but by 1925 their research included tests on lettuce, spinach, turnips, carrots, beets, cabbage, cauliflower, corn, grapes, beans, cotton, soybeans, sugarcane and various fruits,” he says.

An annual report from Substation No. 15 in 1927 reported problems with root rot, freezes, hurricanes, salty river irrigation water and marketing.

“Insects and plant diseases seem to thrive in this climate and have taken their toll,” the report noted.

Local producers start making big bucks

Despite cyclical and persistent adversities, including uncooperative weather, poor market prices, rising production costs, insect pests and diseases, growers and the labor force persisted, Amador said.

“Despite those difficulties, agriculture here thrived; many growers made handsome profits that allowed them to pay off their land loans in short order,” he said.

The central turning point in developing the Rio Grande Valley hinged on the expanding irrigation system fed by water from two huge upstream dams and favorable water treaties with Mexico in the 1940s, said Dr. Merritt Taylor, a former economist at the AgriLife center in Weslaco and now a research center director in Lane, Okla.

“Freezes caused many land investors and farmers over the years to abandon their efforts here, which allowed the land to be resold to new investors. The strong pushed out the weak and got stronger,” he says.

Each wave of investors brought a new influx of money, people from the north, new equipment and new ideas, Taylor says.

The first carload of grapefruit was shipped from McAllen in 1915, and by the mid-1950s, acreage had grown to 120,000 acres of citrus. But freezes, urbanization and other factors have reduced that number to about 30,000 acres today, Amador says.

“A mild climate allowed for a year-round growing season that allowed for all kinds of crops to be grown here, but the mainstays have been vegetables, citrus, sugarcane, cotton and grains,” he adds.

CENTER BOOSTS STATE, LOCAL VEGETABLE PRODUCTION

The Texas A&M center’s “golden era of vegetable breeding,” a highly specialized technology, is responsible for a large segment of the progress in Texas agriculture, says Dr. Ben Villalón, a retired pepper breeder and professor emeritus at the Weslaco center.

“For over 90 years in the Valley, one of the richest farming areas of Texas, scientists have solved some of the toughest problems with citrus, fruits, over 60 different vegetables and many agronomic crops, including cotton, corn, sorghum and sugarcane in the state’s only subtropical region,” Villalón says.

The search for genetic resistance to insects and diseases in vegetables began in Weslaco in the late 1930s by Dr. S. S. Ivanoff, who eventually released a cantaloupe resistant to melon aphids and downy mildew. He was the first of a long string of highly successful vegetable breeders who developed improved varieties still grown all over the world.

“Dr. George H. Godfrey, the first plant pathologist at the A&M center, developed the first downy and powdery mildew resistant cantaloupes in 1950, followed by the release over the next 35 years by Prof. Rumaldo T. ‘Mayo’ Correa of 15 superior cucurbit genotypes, including cantaloupes, watermelons, cucumbers, honey dews and casabas,” Villalón says.

“Between 1952 and 1985 Prof. Paul W. Leeper gained national acclaim by breeding superior tomato, lettuce and onion releases. His onion breeding work eventually led to several disease-resistant sweet, early onion varieties, including the world-famous 1015 onion.”

Villalón himself was among the center’s prolific vegetable breeders, releasing a host of viral resistant peppers that did not exist before 1970, including the world’s first mild jalapeño pepper. It would revolutionize the salsa picante industry, Amador says.

“Suddenly, mild salsas were made available to the public who consumed them at such a rate that by 1990 salsa outsold ketchup as the favorite condiment in the U.S.,” Villalón explains. “Capsicums (peppers) have been around for 8,000 years, but in just 30 years we made tremendous genetic improvements to them that continue today under the direction of Dr. Kevin Crosby at Texas A&M AgriLife in College Station.”

Then-U.S. Congressman and chairman of the House Agriculture Subcommittee Kika de la Garza often referred to Villalón as “the man who tamed the mighty jalapeño,” Amador says.

COTTON BECOMES KING

One of those stronger mainstays, cotton, was probably first produced in the area in the mid-1800s and continues to this day, but not without its problems, says John Norman, a retired AgriLife Extension entomologist in Weslaco and now a private consultant.

“Poor market prices, drought, flood, hurricanes and insects have all taken their toll on cotton here in the last 125 years or so,” he says.

Cotton acreage peaked in 1951 after a January freeze nearly wiped out citrus, similar to what happened in 1983 and again in 1989.

“Instead of immediately bulldozing out the dead citrus trees, many farmers planted cotton between the rows of dead trees, adding significantly to what is now considered to be the high period of cotton production in the Rio Grande Valley,” Norman says.

“Officially, the acreage was recorded at 880,700 acres, but some estimates put the number closer to 1 million acres. All the other years, from 1947 to 1963, averaged about 450,000 planted acres.”

Cotton acreage, as well as cotton gins, has declined over the years, Norman says.

“Lately, cotton averages about 100,000 acres. And the number of active gins has declined from 107 gins in 1952 to about 10 today.”

On the positive side, Valley cotton producers have broken previous records of per-acre yields three years in a row, beginning in 2014.

“We went from 1,032 pounds of lint per acre in 2014 to 1,118 pounds in 2015 and 1,128 pounds per acre in 2016,” Norman says. “The previous highest yield per acre was about 860 pounds back in 1984. And all of this is due to improved cotton varieties and a very successful boll weevil eradication program that has completely prevented crop damage from that insect.”

Poor market prices and the higher cost of cotton production in the U.S. as compared to China and other countries forced many Rio Grande Valley farmers to change the crops they grow, he says.

“Changes in technology will likely be the driving force behind how much or little cotton continues to be planted. The same is probably true for every crop now grown in the Valley.”

SUGARCANE ELBOWS ITS WAY BACK IN

Sugarcane, another storied Valley crop, was first grown in the region in 1858, according to Norman Rozeff, a retired agronomist at the sugar mill in Santa Rosa and a local historian.

“The last turn-of-the-century sugar mill in Donna ceased to operate in 1922,” he says. “It wasn’t until 1972 that the sugarcane industry resumed here in the Valley. Farmers were looking for an alternative to planting low-priced cotton and first considered raising sweet sorghum.”

After exhaustive tests at the AgriLife Research center in Weslaco led by agronomist and long-time center director Raymond Cowley to find a suitable alternative, growers settled on sugarcane, he says.

“Over 100 farmers formed a cooperative and built what was then the world’s most modern processing factory, setting the standard for sugarcane industry modernization in the world. And despite weather-related setbacks from time to time, the sugar cooperative has flourished for over 40 years and been a sizeable economic plus for the Valley,” he says.

“Mr. Cowley, an agronomist by training, insisted that sugarcane was a more suitable crop for the Valley than sugar beets, and he was right,” Amador adds.

Cowley and Amador, a native of Cuba and the only scientist in Weslaco with any experience growing sugarcane, traveled to cane-growing areas, including Louisiana, Florida and Mexico, in search of suitable sugarcane varieties for the Valley.

Unlike the cotton industry, sugarcane acreage has increased measurably over the decades, thanks to accumulated knowledge of the plant’s husbandry, increased yields and constant mill modernizations, Rozeff said.

“The average cane industry here is presently over 40,000 acres and the average yield has risen to well over 3 tons of sugar per acre,” he says. “Sugarcane has been a good fit for the Valley and with the use of bagasse — the fiber left after the cane is ground — to generate electricity; it now takes its place as a ‘green’ renewable resource. This is certainly a goal the community obviously wants to pursue.”

VALLEY’S BILLION DOLLAR AG BABY HERE TO STAY

While its heyday may be behind it, the Rio Grande Valley’s crops, livestock and ag-related businesses continue to have an annual statewide economic impact of about $1.1 billion, Ribera says.

“Urbanization and the implementation of NAFTA (North American Free Trade Agreement) in 1995 had a profound effect on irrigated farming,” he says. “Trade, retail sales and maquiladora manufacturing now overshadow the income of agriculture here.”

While agriculture is worth $584 million in gross sales, retail store sales now account for some $7 billion annually, Ribera says.

Dr. Juan Landivar, director of the Texas A&M AgriLife Research and Extension Centers at Weslaco and Corpus Christi, says despite its drop in prominence and the persistence of challenges, agriculture is here to say.

“Our geographical location as a border state, as well as the increase in agricultural commerce across our ports of entry, open the door to invasive weeds, insects and vector-transmitted diseases that can infest our agricultural fields,” he says. “In addition, global warming threatens to increase our already high summer temperatures, increase water use and losses, and add a few generations of pests to our cropping system.”

Landivar says new scientific technologies, including biotechnology, genetic-marker assisted plant breeding and the use of modern scientific molecular tools, would result in the development of new, resilient cultivars adapted to changing weather conditions and resistant to evolving pests and diseases.

“These new cultivars and the advent of remote sensing and the use of unmanned aerial vehicles, or UAVs, are opening the door to a new dimension of precision management of crops better suited to deal with threats,” he says. “These tools, developed by Texas A&M AgriLife and others, will also continue to play a role in the future of agriculture in South Texas.”

Landivar says the spirit of South Texas farmers will prevail.

“As long as we conserve and use judiciously our water supply and protect our soils from erosion and other mismanagement, there will be a place for agriculture here,” he says. “Farmers here are resourceful, resilient and devoted. They will always find a way to produce crops better than anyone else.”

Dr. George H. Godfrey, the first plant pathologist in the Rio Grande Valley is shown in the early 1950s working at the then-Rio Grande Valley Experiment Station, now the Texas A&M AgriLife Research and Extension Center at Weslaco. (Photo courtesy of Rod Santa Ana

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