Results 81 to 90 of about 4,749 (223)
O objetivo deste trabalho foi avaliar os atributos físicos de um Latossolo Vermelho distrófico argiloso e a produtividade de milho em sistemas de manejo que incluem plantas de cobertura cultivadas em pré-safra (setembro a novembro).
Eurico Lucas de Sousa Neto +3 more
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Fisiologia da planta de milheto. [PDF]
bitstream/CNPMS/16174/1/Circ_28 ...
DURAES, F. O. M. +2 more
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BALANÇO DE RADIAÇÃO SOBRE UMA CULTURA DE MILHETO FORRAGEIRO
Em uma cultura de milheto forrageiro (Pennisetum americanum, Leek) cv. pérola, em Eldorado do Sul.RS a 30°05'27"S de latitude, 51°40'18"W de longitude e 40m de altitude, foram quantificados os componentes do balanço de radiação, no ano agrícola de 1988 ...
Sandro Luis Petter Medeiros +3 more
doaj +1 more source
Diagnóstico do segmento de produção de sementes no Estado de Santa Catarina nas safras 2015 e 2015/2016 [PDF]
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Agronomia.A cadeia produtiva de sementes no Brasil cresce anualmente, ao mesmo tempo que o mercado apresenta demanda ascendente por insumos de alta qualidade.
Faria, Renato Moreira de
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A capacidade de supressão de plantas daninhas por culturas de cobertura é bastante conhecida e explorada, embora seja pouco pesquisada a importância relativa dos efeitos físicos e alelopáticos sobre esse fenômeno.
M.M. Trezzi, R.A. Vidal
doaj +1 more source
Identification of ovule transcripts from the Apospory-Specific Genomic Region (ASGR)-carrier chromosome [PDF]
Background Apomixis, asexual seed production in plants, holds great potential for agriculture as a means to fix hybrid vigor. Apospory is a form of apomixis where the embryo develops from an unreduced egg that is derived from a somatic nucellar cell, the
Yajuan Zeng +2 more
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Cover crops and nitrogen doses in wheat under no-tillage system
The application of conservation practices in production systems is essential to the sustainability of the agricultural production capacity. The use of different cover crops can reduce the need of topdressing nitrogen fertilizers in wheat crops.
Mariana Moreira Melero +3 more
doaj +1 more source
Effects of Spacing, Cutting Height and Cutting Interval on Fodder Yield and Nutritional Value of Cajanus Cajan [PDF]
Forage production is one of the ways of sustaining ruminant animal production in Nigeria as these animals depend largely on plant-based feed. Hence, Cajanus cajan pasture was established to evaluate the effects of planting space, cutting height and ...
Bode, O. O. (Omotoso) +1 more
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Upland rice under no-tillage preceded by crops for soil cover and nitrogen fertilization. [PDF]
The grain yield of upland rice under no-tillage has been unsatisfactory and one reason could be the nitrate/ammonium balance in the soil. Cover crops and nitrogen fertilization can be used to change the nitrate/ammonium relation in the soil and improve ...
CANTARELLA, H. +3 more
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Soil heavy metal pollution and greenhouse gas emission have become global issues. A field study was conducted to explore the effects of using calcium ammonium nitrate (CAN) alone and in combination with 3,4-dimethylpyrazole phosphate (DMPP) on ...
Xingfeng Zhang +5 more
doaj +1 more source

