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Sowing density is a major management factor that affects growth and development of grain crops by modifying the canopy light environment and interplant competition for water and nutrients. While the effects of sowing density and plant architecture on static vegetative and reproductive growth trai...
Arachis pintoi is a valuable forage legume for tropical savannas, persisting with vigorous tropical grasses under widely differing management systems. However, seed is expensive, so that vegetative planting is an option, particularly for small farmers. We studied the growth and development of A. ...
Andropogon gayanus Kunth é uma gramínea de porte alto, perene, que cresce naturalmente nas savanas da África Tropical. Recentemente, novas cultivares foram selecionadas em vários países. Este trabalho é uma revisão da literatura e um resumo das pesquisas feitas na Colômbia sobre a produção de sem...
Cassava is one of the most planted tuber crops in the tropical world. The importance of cassava is growing as a food security crop in sub Saharan Africa, where malnutrition is a menace. However, a major hindrance in the fast improvement of the crop is the long generational cycle of cassava and po...
Looking for high resistance to saline-sodic soil conditions under different systems, six rice Oryza sativa L. varieties were evaluated (CICA 4 - CICA 8, IR 253-26-3-5-2, IR 22, IR 26 and Pokkali). IR 2153-26-3-5-2 appeared as the most tolerant and showed the highest yields under all planting syst...
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