Nutrient requirements of Amazonian tree crops - consequences for agroforestry use and management.
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We studied soil fertility and plant nutrition in multi-strata agroforestry systems with several perennial crop species at four fertilization levels to obtain information on growth-limiting nutrients and to develop optimum sampling schemes for foliar analysis for the different species: peach palm (pupunha), cupuaçu, Brazil nut (castanha-do-Pará), annatto (urucu) and the cover crop Pueraria phaseoloides.
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Agrofloresta, Brasil, Amazonas, Manaus, Adubação, Bactris Gasipaes, Conservação do Solo, Cupuaçu, Cultivo Multiplo, Floresta Tropical Úmida, Nutrição, Pupunha, Theobroma Grandiflorum