Results 1 to 10 of about 1,101,209 (119)
Combined paper mill biosolids (PB) and forest-derived liming by-products improve soil properties, but their residual effects following several years of application have hardly been investigated.
Bernard Gagnon, Noura Ziadi
doaj +1 more source
Silicate rock with different granulometry as a potassium source for alfalfa and centrosema crops [PDF]
The objective of this work was to evaluate the application of silicate ultramafic alkaline rock, with different granulometry, as an alternative potassium source on the increase of soil fertility and on the nutritional status and biomass yield of the ...
Adônis Moreira +3 more
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Alternative sources of potassium in coffee plants for better soil fertility, productivity, and beverage quality [PDF]
: The objective of this work was to evaluate alternative sources of potassium for improving soil fertility and coffee productivity and beverage quality.
Kaio Gonçalves de Lima Dias +4 more
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Efficiency and residual effect of alternative potassium sources in grain crops [PDF]
The objective of this work was to evaluate the efficiency and the residual effects of both molten and ground alkaline potassium-silicate rocks (K1) and of ground phonolite rock (K2), as sources of potassium, compared with the traditional source (KCl), in
Rogério Peres Soratto +6 more
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Intensified cultivation of rice has accelerated weathering of most tropical acid soils leading to significant loss of base cations. In most developing countries, rice yield is low and this results in its production being costly because productivity ...
Maru Ali +5 more
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Bioassay for Determining Persistence of the Herbicide Saflufenacil in an Oxisol [PDF]
: Persistence of an herbicide is defined as the ability to maintain the integrity of its molecule and chemical, physical, and phytotoxic properties in the environment where it was applied.
F. DIESEL +4 more
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Imidazolinone Degradation in Soil in Response to Application History [PDF]
Accelerated herbicide degradation consists in its faster degradation in areas where it has been previously applied, due to the adaptation of microbial population to that particular compound.
A.C. Bundt +5 more
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Microbial fertilizer from PK rocks on lettuce nutrients and soil attributes in consecutive crops
: The objective of this work was to evaluate the effect of a microbial fertilizer, produced from phosphate and potassic rocks and earthworm compost, as an alternative to conventional fertilizers, on lettuce (Lactuca sativa) nutrients and soil attributes.
Wagner da Silva Oliveira +5 more
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Com o objetivo de avaliar a eficiência de utilização do N pela cultura de milho (Zea mays L.), usando-se fertilizante marcado com 15N, aplicado parceladamente (duas formas), e o efeito residual deste fertilizante nas duas culturas subseqüentes em ...
Flávia Carvalho Silva Fernandes +2 more
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O manejo correto da adubação potássica pode minimizar perdas assim como evitar o esgotamento de K do solo. Objetivou-se estudar a dinâmica do K no perfil do solo em função do teor de argila e do teor do nutriente resultantes da adubação da soja.
Rodrigo Werle +2 more
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