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Pioneer Hi-Bred International, Inc. (Pioneer) owns patents that cover the manufacture, use, and sale of various hybrid corn seed products (plants and seeds). Pioneer sells its patented hybrid seeds under a limited label license that provides: "License is granted solely to produce grain and/or forage."
This method has shown to be effective in areas like the San Joaquin Valley, where onions are planted in fall after a summer fallow period. [5] "Fumigation with metam sodium or chloropicrin can be effective against some strains of the fungus, but its effects can vary. Fumigation is also not always economical unless a high value seed crop is ...
Fallow syndrome is when a crop has insufficient nutrient uptake due to the lack of arbuscular mycorhizae (AM fungi) in the soil following a fallow period. Crops such as corn that are prone to fallow syndrome should not follow a period of fallow, but instead should follow a cover crop which is a host for AM fungi, such as oats or other small grain crops.
1995 - Pioneer stock is listed on the NYSE as PHYB. 1996 - Pioneer acquires 20% stake in Sunseeds Co. (a hybrid vegetable seed producer) in exchange for Pioneer's vegetable seed operation. 1997 - DuPont acquires a 20% stake in Pioneer and the companies form a joint venture called Optimum Quality Grains LLC.
During the fallow period, shifting cultivators use the successive vegetation species widely for timber for fencing and construction, firewood, thatching, ropes, clothing, tools, carrying devices and medicines. It is common for fruit and nut trees to be planted in fallow fields to the extent that parts of some fallows are in fact orchards.
As a result, DeKalb was the leader in U.S. hybrid seed corn sales from the mid-1930s until the mid-1970s (Crabb 1948. Roberts 1999). [2] In 1982 DeKalb formed a joint venture with Pfizer, called DeKalb-Pfizer Genetics, and in 1985 the name was changed to DeKalb Corporation. The seed business was spun off as DeKalb Genetics Corporation in 1988. [4]
With an average fallow period of five years, the total area estimated then was around 200,000 hectares. The practice entailed two distinct systems, bush fallow and grass fallow. [ 8 ] Modern agricultural development in Bhutan commenced from the 1960s with the start of planned development programs in the country and is well documented.
Seeds yielded $264 million in 2012, supporting 1,400 workers. Seeds exceeded the value of the state's next several largest crops combined—including sugarcane and macadamia nuts. [4] As of 2008 genetically engineered corn seed was the top crop by value in Hawaii. It made up 92 percent of the state's GM seed industry. [citation needed]