Search Results - "L.I. Prochnow"

Source-Related Transport of Phosphorus in Surface Runoff by Shigaki, F, Sharpley, A, Prochnow, L.I

“…Continual application of mineral fertilizer and manures to meet crop production goals has resulted in the buildup of soil P concentrations in many areas. A…”
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Plant Availability of Phosphorus in Four Superphosphate Fertilizers Varying in Water-Insoluble Phosphate Compounds by Prochnow, L.I, Chien, S.H, Carmona, G, Dillard, E.F, Henao, J, Austin, E.R

“…There is concern that the use of lower quality phosphate rock can result in elevated amounts of Fe-Al-P water-insoluble compounds in fertilizers and,…”
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EFEITOS DAS APLICAÇÕES DE CÁLCIO E DE BORO NA OCORRÊNCIA DE PODRIDÃO APICAL E PRODUÇÃO DE TOMATE EM ESTUFA by PLESE, L.P.M., TIRITAN, C.S., YASSUDA, E.I., PROCHNOW, L.I., CORRENTE, J.E., MELLO, S.C.

“…Com o objetivo de estudar os efeitos das aplicações de cálcio via foliar e de boro via solo na produção e ocorrência de podridão apical em tomate em estufa,…”
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Greenhouse evaluation of phosphorus sources produced from a low-reactive Brazilian phosphate rock by Prochnow, L.I, Chien, S.H, Carmona, G, Henao, J

“…The Patos de Minas phosphate rock (PR) in Brazil is not suitable for direct application due to its low reactivity or for commercial production of P fertilizers…”
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Effectiveness of phosphate fertilizers of different water solubilities in relation to soil phosphorus adsorption by Prochnow, L.I

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Characterization and Greenhouse Evaluation of Brazilian Calcined Nonapatite Phosphate Rocks for Rice by Francisco, E.A.B, Chien, S.H, Prochnow, L.I, Austin, E.R, Toledo, M.C.M, Taylor, R.W

“…Little information is available on the agronomic effectiveness of calcined nonapatite phosphate rock (PR) sources containing crandallite minerals in the form…”
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Thermal, treatment of aluminous phosphates of the crandallite group and itis effect on phosphorus solubility by Francisco, E.A.B, Prochnow, L.I, Toledo, M.C.M. de, Ferrari, V.C, Jesus, S.L. de

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Characterization and Agronomic Evaluation of Single Superphosphates Varying in Iron Phosphate Impurities by Prochnow, L.I, Chien, S.H, Taylor, R.W, Carmona, G, Henao, J, Dillard, E.F

“…An increase in the concentrations of water-insoluble iron phosphate (Fe-P) compounds in acidulated P fertilizers has raised the concern that the agronomic…”
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Agronomic evaluation of calcined crandallite from three Brazilian phosphate deposits by Francisco, E.A.B, Prochnow, L.I, Toledo, M.C.M. de, Perreira, J.P

“…Samples from the weathering mantle containing crandallite of three Brazilian phosphate deposits, Tapira, Catalão, and Juquiá, were characterized, calcined, and…”
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Agronomic effectiveness of cationic phosphate impurities present in superphosphate fertilizers as affected by soil pH by Prochnow, L.I, Chien, S.H, Carmona, G, Austin, E.R, Corrente, J.E, Alleoni, L.R.F

“…The general concept that low-water-soluble phosphorus (P) fertilizers should be more agronomically effective when applied to acidic soils was developed based…”
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Evaluation of rape response to different sources of phosphate rock in an alkaline soil by Chien, S.H, Carmona, G, Henao, J, Prochnow, L.I

“…A greenhouse experiment was conducted to evaluate the agronomic effectiveness of one unground, as received from Tunisia, and eight finely ground phosphate rock…”
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Profundidade de amostragem do solo para avaliação do enxofre disponível em pomar de limão siciliano (Citrus limon Burm.) by Prochnow, L.I., Boaretto, A.E.

“…Em um Latossolo Vermelho Escuro, textura média, no qual foram estabelecidos diferentes teores de enxofre, através da aplicação de doses crescentes de gesso…”
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Profundidade de amostragem do solo para avaliação do enxofre disponível em pomar de limão siciliano (Citrus limon Burm.) Soil sampling depth for available sulphur evaluation in sicilian lemon (Citrus limon Burm.) orchard by L.I. Prochnow, A.E. Boaretto

“…Em um Latossolo Vermelho Escuro, textura média, no qual foram estabelecidos diferentes teores de enxofre, através da aplicação de doses crescentes de gesso…”
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Modal analysis to estimate the composition of single superphosphates by Prochnow, L.I, Dillard, E.F, Austin, E.R, Chien, S.H, Calvo, C.G

“…Better knowledge of the composition of acidulated phosphorus (P) fertilizers will provide useful information to properly manage these P sources. Single…”
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Plant availability of phosphorus in the neutral ammonium citrate fraction of Brazilian acidulated phosphates by Prochnow, L.I. (Sao Paulo Univ., Piracicaba, SP (Brazil). Escola Superior de Agricultura 'Luiz de Queiroz'), Kiehl, J.C, Raij, B. van

“…In Brazil, where the rock phosphates are high in impurities, no attempthas been made to evaluate the P supplying efficiency of the neutral ammoniumcitrate…”
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Controlling ammonia losses during manure composting with the addition of phosphogypsum and simple superphosphate by Prochnow, L.I., Kiehl, J.C., Pismel, F.S., Corrente, J.E.

“…With the purpose of evaluating the effectiveness of phosphogypsum and simple superphosphate in controlling ammonia losses by volatilization during the process…”
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Controlling ammonia losses during manure composting with the addition of phosphogypsum and simple superphosphate Controle das perdas de amônia durante a compostagem de estercos com adição de fosfogesso e superfosfato simples by L.I. Prochnow, J.C. Kiehl, F.S. Pismel, J.E. Corrente

“…With the purpose of evaluating the effectiveness of phosphogypsum and simple superphosphate in controlling ammonia losses by volatilization during the process…”
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EFEITOS DAS APLICAÇÕES DE CÁLCIO E DE BORO NA OCORRÊNCIA DE PODRIDÃO APICAL E PRODUÇÃO DE TOMATE EM ESTUFA by PLESE, L.P.M., TIRITAN, C.S., YASSUDA, E.I., PROCHNOW, L.I., CORRENTE, J.E., MELLO, S.C.

“…Com o objetivo de estudar os efeitos das aplicações de cálcio via foliar e de boro via solo na produção e ocorrência de podridão apical em tomate em estufa,…”
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Profundidade de amostragem do solo para avaliação do enxofre disponível em pomar de limão siciliano (Citrus limon Burm.) by Prochnow, L.I., Boaretto, A.E.

“…Em um Latossolo Vermelho Escuro, textura média, no qual foram estabelecidos diferentes teores de enxofre, através da aplicação de doses crescentes de gesso…”
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Influence of cationic impurities in acidulated phosphates on the availability of phosphorus to two corn crops by Prochnow, L.I, Kiehl, J.C, Raij, B. van

“…Based on the problems that arise from the presence of cationic impurities in rock phosphates for fertilizer production, a greenhouse experiment consisting of…”
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