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Northern corn leaf blight on corn Sporulation on corn leaf. 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.
The Portuguese first introduced maize production in Tanzania on Pemba Island in the 16th century, and by the 17th century, maize production spread to other parts of Tanzania including the Tanzanian mainland. [1] Production of maize expanded until recent years. However, Tanzania is still a leading country for maize production in East Africa. [2]
Food production per capita since 1961 Grain silos Rice plantation in Thailand Cambodians planting rice, 2004. Agricultural productivity is measured as the ratio of agricultural outputs to inputs. [1] While individual products are usually measured by weight, which is known as crop yield, varying products make measuring overall agricultural ...
Thus most production of maize, wheat, rice, sorghum, millet, etc. must be held in storage for periods varying from a few days up to more than a year. Storage therefore plays a vital role in grain supply chains. For all grains, storage losses can be considerable but the greatest losses appear to be of maize, particularly in Africa.
In addition to food production, principal products include tobacco, cotton and wool. [4]Zimbabwe's arable land surface is relatively small compared to major food producers in Africa, but its agriculture was rather well performing from 1961 to 2001 (up to 10% of African maize production in 1985).
Following the famine, the production of tobacco in the affected areas decreased and Maize Control Board prices for maize were increased. The Maize Control Board had purchased just over 7,000 tons if maize in 1948: its successors purchased 30,000 tons in 1964 and 128,000 tons in 1979, showing that Malawi's maize trade was under-developed in 1949.
Meat production is considered one of the prime factors contributing to the current biodiversity loss crisis. [ 154 ] [ 155 ] [ 156 ] The 2019 IPBES Global Assessment Report on Biodiversity and Ecosystem Services found that industrial agriculture and overfishing are the primary drivers of the extinction, with the meat and dairy industries having ...
Heat damaged maize kernels may have a discolored, wrinkled, and blistered, be puffed and/or swollen, or their seed coats may begin peeling off. Heat damage most likely comes from drying of grain . It is a subset of damage including broken or cracked kernels but is identified as its own type of damage by the USDA.