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The effect of climate, soil, and grazing management on the production and persistence of tropical pasture germplasm

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Title The effect of climate, soil, and grazing management on the production and persistence of tropical pasture germplasm
 
Creator Jones, Raymond J.
 
Subject feed crops
germplasm
grassland management
climatic factors
soil chemicophysical properties
soil fertility
grazing systems
plantas forrajeras
germoplasma
manejo de praderas
factores climóticos
propiedades físico - químicas suelo
sistemas de pastoreo
 
Description The production of tropical pasture species is determined by a complex of interacting factors which include the climatic variables of temperature, rainfall, and solar radiation; the soil's capacity to supply nutrients; the soil water available to the roots; and the effects of both current and previous defoliation regimes. Factors which can magnify the complexity include toxicities resulting from low pH, high soluble Al and Mn concentrations, and excess soluble salts in the soil; and the presence of other competing species such as sown grasses, legumes, or weeds.
Large variation exists in the response of pasture germplasm to the variables discussed. This variation is the key to identifying and subsequently promoting pasture cultivars better adapted to the varied tropical environments where high inputs of fertilizers and other technological improvements are not used for economic reasons.
There is a great need to understand the response of tropical pasture species when grown in different environments and on different soils, and when subjected to competition with other species and to different defoliation strategies. It will then be possible for tropical pasture management to be based on a more secure foundation.
 
Date 1993
2017-06-20T09:00:47Z
2017-06-20T09:00:47Z
 
Type Book Chapter
 
Identifier Jones, Raymond J.. 1993. The effect of climate, soil, and grazing management on the production and persistence of tropical pasture germplasm . In: Paladines M., Osvaldo L.; Lascano, Carlos E. (eds.). Forage germplasm under small-plot grazing: Evaluation of methodologies: Proceedings of a workshop held in Cali, Colombia, 22-24 September 1982 . Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. p. 15-42. (CIAT publication no. 210)
https://hdl.handle.net/10568/82065
http://ciat-library.ciat.cgiar.org/Articulos_Ciat/Digital/SB123.E9C.2_An_exchange_of_experiences_from_South_and_South_East_Asia.pdf#page=201
 
Language en
 
Rights Open Access
 
Format p. 15-42
application/pdf
 
Publisher International Center for Tropical Agriculture