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Field studies have been performed for decades to analyze effects of different management practices on agricultural soils and crop yields, but these data have never been combined together in a way that can inform current and future cropland management. Here, we collected, extracted, and integrated...
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01/01/1997 L'eau est l'un des principaux besoins des végétaux. Cependant, la pluviosité est insuffisante et irrégulière dans la plupart des régions arides et semi-arides. Dans ces régions, le taux d'évaporation est généralement élevé pendant la saison de croissance. Lorsqu'il pleut, les pluies sont...
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14/09/2022 Outline Characteristics of Soil Indicating Health Life in the Soil Farmer Constraints in Building Soil Health Competing Uses of Organic Matter Soil Loss Roaming Animals Fire
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Access Agriculture Training Video Mix legumes and grasses to improve the soil fertility, and the nutritional value of the feed. It also improves the yields of the potatoes that you plant next. If you are not able to irrigate, plant the fodder at the beginning of the rains. The mix should include...
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01/01/2006 764 pp : with charts Books in soils, plants and the environment, Vol. 113 Global agriculture is now at the crossroads. The Green Revolution of the last century is losing momentum. Rates of growth in food production are now declining, with land and water resources becoming scarcer, while world...
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01/01/1991 Soil fertility is the overriding constraint to food production in the tropics, and yet in many developing countries fertilizers are unavailable or beyond the reach of subsistence farmers. The biological fixation of atmospheric nitrogen is the only way that plants can manufacture their own...
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07/01/2000 These pictures and the articles in this newsletter reflect the great diversity of concepts, approaches and practices that still exist related to healing people, animals, plants and environments. Vitality and health have a dimension beyond the purely physical and biological level. In most...
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01/01/1984 Le sol est une des plus vieilles matičres de bâtiment. qu'Il a été utilisé pour les sičcles dans toutes les parties du monde. Le Vieillard temples, fortifications, et pyramides aussi bien que partie du Le Grande Muraille de Chine a été construit avec sol. Les trois méthodes traditionnelles de...
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01/01/1987 Le sol est une matičre de bâtiment universelle et est un du plus vieux connu ŕ humanité. Les sols simples (sans additifs), ou sols amélioré en ajoutant des matičres stabilisatrices tel que bitume ou cimente, est convenable pour maisons, écoles, routes, et autre construction. Pour les buts de la...
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01/01/2018 *Available as Download Only The respiration of forest soils and the major factors controlling its rate are fairly well understood. The process is of utmost significance because its balance with the fixation of CO2 in the biomass defines whether a particular site is a source or sink of atmospheric...