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Title: Cover crop and fertilization effects on nutrient dynamics in fruit tree cropping inthe central Amazon.
Authors: MOTA, M. do S.
Affiliation: Bolsista CNPq; University of Bayreuth; University of Hamburg.
Date Issued: 2000
Citation: In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS, 2000, Hamburg. Programa and abstracts... Hamburg: University, 2000.
Pages: p. 179.
Description: Studies on the effect of fertilization on soil acidity and pH dynamics in a mixed tree croping system with castanha-do-Para (Brazil nut), cupuacu, pupunha (peach palm), urucu (annatto) and pueraria.Fertilizer at four different levels (30%, 100%+P and 30%-N-lime, of the recommended fertilization, Embrapa Amazonia Ocidental, Manaus-AM, Brasil) was applied. Fertilization at a level of 30%-N-lime produced highest acidity compared to the other levels of fertilization. The effect of fertilization on soil acidity was restricted to a depth of 0 cm-5 cm. Pueraria and urucu presented the highest acidity at all. depths. The effec of soil pH was opposite to acidity, highest for cupuacu and pupunha and lowest for urucu at all depths.
Thesagro: Adubação
Bertholletia Excelsa
Bactris Gasipaes
Bixa Orellana
Castanha do Para
Cobertura do Solo
Conservação do Solo
Cultivo Multiplo
Fertilidade do Solo
Floresta Tropical Úmida
Pueraria Phaseoloides
Theobroma Grandiflorum
NAL Thesaurus: Pueraria
multiple cropping
tropical rain forests
soil conservation
Keywords: Agrofloresta
Soil fertily
Fertilizers application
Cover plants
Type of Material: Resumo em anais e proceedings
Access: openAccess
Appears in Collections:Resumo em anais de congresso (CPAA)

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