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The seed from selected plants is bulked for the next generation. This method is used to improve the overall population by positive or negative mass selection. Mass selection is only applied to a limited degree in self-fertilizing plants and is an effective method for the improvement of landraces.
In Central and South America, Africa, and Asia, several hundred million people rely on maize as their principal daily food, for weaning babies, and for feeding livestock.. Unfortunately maize (corn) has two significant flaws; it lacks the full range of amino acids, namely lysine and tryptophan, needed to produce proteins, and has its niacin (vitamin B 3) bound in an indigestible compl
A 2018 study found that Bt-corn protected nearby fields of non-Bt corn and nearby vegetable crops, reducing the use of pesticides on those crops. Data from 1976 to 1996 (before Bt corn was widespread) was compared to data after it was adopted (1996–2016). They examined levels of the European corn borer and corn earworm. Their larvae eat a ...
African Journal of Aquatic Science; African Journal of Ecology; African Journal of International Affairs and Development; African Journal of International and Comparative Law; African Journal of Library, Archives and Information Science; African Journal of Marine Science; African Journal of Political Economy; African Journal of Political Science
The production increases can be attributed equal to irrigation, fertilizer, and seed development, at least in the case of Asian rice. [ 81 ] While agricultural output increased as a result of the Green Revolution, the energy input to produce a crop has increased faster, [ 82 ] so that the ratio of crops produced to energy input has decreased ...
About 65 million metric tons of GM corn grains and about 70 million metric tons of soybean meals derived from GM soybean become feed. [95] In 2014 the global value of biotech seed was US$15.7 billion; US$11.3 billion (72%) was in industrial countries and US$4.4 billion (28%) was in the developing countries. [89]
Development of agricultural output of South Africa in 2015 US$ since 1961 A windpump on a farm in South Africa.. Agriculture in South Africa contributes around 5% of formal employment, relatively low compared to other parts of Africa and the number is still decreasing, [1] as well as providing work for casual laborers and contributing around 2.6 percent of GDP for the nation. [2]
The usage of corn for maize started as a shortening of "Indian corn" in 18th-century North America. [22] The historian of food Betty Fussell writes in an article on the history of the word corn in North America that "[t]o say the word corn is to plunge into the tragi-farcical mistranslations of language and history". [8]