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The world's concentrated dependence on a small number of primary crops increases systemic vulnerability. Global caloric intake could be significantly reduced if climate conditions significantly reduce the yield of one primary crop, compared to a more diverse variety of crops that could result in greater flexibility with what climate conditions allow to grow and have high yields.
Northern corn leaf blight (NCLB) or Turcicum leaf blight (TLB) is a foliar disease of corn caused by Exserohilum turcicum, the anamorph of the ascomycete Setosphaeria turcica. With its characteristic cigar-shaped lesions, this disease can cause significant yield loss in susceptible corn hybrids.
The US is the world's largest producer of corn. [8] According to the United States Department of Agriculture (USDA), the average U.S. yield for corn was 177 bushels per acre, up 3.3 percent over 2020 and a record high, with 16 states posting state records in output, and Iowa reporting a record of 205 bushels of corn per acre.
The creation of USDA's Crop Reporting Board in 1905 (now called the Agricultural Statistics Board) was another landmark in the development of a nationwide statistical service for agriculture. A USDA reorganization in 1961 led to the creation of the Statistical Reporting Service, known today as National Agricultural Statistics Service (NASS).
The following are international Maize (corn) production statistics come from the Food and Agriculture Organization figures from FAOSTAT statics The quantities of corn (maize, Zea mays) in the following table are in million metric tonnes (m STs, m LTs). All countries with a typical production quantity of at least 10 million t (11 million short ...
The recent releases of the WASDE report provide forecasts covering: Crops (U.S. and global) including wheat, rice, corn, sorghum, barley, oats, soybeans, cotton, and sugar. Livestock (U.S. only) including meat animals, poultry, and dairy. The WASDE report is generally released between the 8th and 12th of each month at 12:00 noon [6] Eastern Time.
Another form of cultural control used to limit southern corn leaf blight is crop rotation with non-host crops. Additionally, foliar fungicides may be used. Foliar disease control is critical from 14 days before to 21 days after tasseling, this is the most susceptible time for damages from leaf blight to occur. [ 10 ]
Corn smut is a plant disease caused by the pathogenic fungus Mycosarcoma maydis, synonym Ustilago maydis.One of several cereal crop pathogens called smut, the fungus forms galls on all above-ground parts of corn species such as maize and teosinte.