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It is responsible for providing services and expertise that promote and protect Oklahoma's food supply and natural resources while stimulating economic growth. The Department is governed by the State Board of Agriculture. The Board consists of five members appointed by the Governor of Oklahoma, with the approval of the Oklahoma Senate. The ...
Nitrogen is the most commonly used plant nutrient. Naturally occurring nitrogen (N 2) is a diatomic molecule which makes up approximately 80% of the Earth's atmosphere. Most plants cannot directly consume diatomic nitrogen, therefore nitrogen must be contained as a component of other chemical substances which plants can consume.
Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...
Oklahoma has one of the most extensive biosolid fertilizer programs in the nation, as more than 80% of the state’s wastewater sludge ends up on crop fields, according to Investigate Midwest’s ...
In reaction to falling grain prices and the widespread economic turmoil of the Dust Bowl (1931–39) and Great Depression (October 1929–33), three bills led the United States into permanent price subsidies for farmers: the 1922 Grain Futures Act, the June 1929 Agricultural Marketing Act, and finally the 1933 Agricultural Adjustment Act ...
Fertilizers are usually labeled with three numbers, as in 18-20-10, indicating the relative content of the primary macronutrients nitrogen (N), phosphorus (P), and potassium (K), respectively. More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the mass fraction of nitrogen ...