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Plant Breeding and World Food Supply
The Use of Radioisotopes in Plant Ecology
LRice Cultivation and Alleviation of the Food Problem in SouthEast
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adaptation agricultural agroclimatological amount Andigena application areas average breeding C4 plants calcium Calvin cycle carbon Central Highlands climatic coconut palms cortex cotton crops crude fibre crude protein cultivated plants deficiency digestible disease distribution dry matter dry period Dry Zone effect excess factors favourable Figure fodder forage plants formation glucosides grain grasses growth harvest higher humic acid humic substances humidity important increased kg/ha leaf leaves legumes levels lignin maize method micronutrients mineral monsoon nitrogenous fertilizers nutrient nutritive value P2Os phosphate phosphoric acid photosynthesis Plant Research population potash potassium potato potential precipitation production protein protein content prussic acid quantities rainfall reaction regions resistance rice root ryegrass Safflower season seed Sesame shows soluble species Sri Lanka stalks starch units sugar Sunflower supply Table temperature tests timber tion tropical varieties virus Vitamin Weck Wet Zone wheat yield Zambia