Land-system mapping for seed-based agrotechnology transfer. Description of the land systems map and landscape facets. Climate. Landscapes. Soil classification. Soil physical and chemical properties. Phosphorus limitations and management considerations. Leaching losses and improvement of Savanna and forest soils. Adapting seed-based agrotechnology to local conditions.For example, certain soil areas are associated with iodine deficiency in animals. ... faced with the task of investigating soil fertility problems for specific crops a more detailed guide as to what may be deduced from existing soil survey and fertility evaluation studies and how agrono- mic work might be speeded up to provide field-proven answers for farming practice. They use ... Chapter 9 also discusses this topic. ... Some plants sensitive to Al suffer at levels as low as 10% Al saturation.
|Title||:||Land in tropical america la tierra en America Tropical|
|Author||:||Thomas T. Cochrane, Centro Internacional de Agricultura Tropical, Centro de Pesquisa Agropecuária dos Cerrados|