Seminario sobre el Proyecto Procesos Agropecuarios de Importancia en América Latina desde la Perspectiva Ambiental

This Bulletin contains the papers and proceedings of the FAO/SIDA Workshop on Organic Materials and Soil Productivity in the Near East. In view of the important complementary effect of organic materials to mineral fertilizers and their role in improving the soil?s physical properties, the…

In view of the continuing increase in cost and scarcity of mineral fertilizers resulting from the use of high-cost fossil energy, there is renewed interest in organic recycling and biological nitrogen-fixation to improve soil fertility and productivity. The workshop in Alexandria recommended…

Presenta la organizacion de los trabajos, las conclusiones y recomendaciones del seminario.

This course teaches the farmer about the water cycle. It covers rainfall, ground water, the water table, surface water, evaporation, and transpiration. It also delivers information on wells and springs, swamps, ponds, lakes, streams and rivers. It explains how water is necessary for life.

Revisa la magnitud de la deforestación, delineando las características principales de los ecosistemas de la Región Amazónica, en especial la brasilera, para examinar el impacto ambiental del uso de la tierra. Analiza principalmente los factores que afectan la estabilidad agrícola.

Different nutritional deficiencies or toxicities may limit bean development and yield. N and P deficiencies are the most frequent, although deficiency of minor elements and Al/Mn toxicity can reduce yields considerably. Nutritional problems are usually diagnosed by soil and plant tissue analyses…