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Application of lime, phosphogypsum and fertilization rates affect soil fertility and common bean development in no-tillage system in a Cerrado Oxisol Agronomy
Carvalho, Maria da Conceição Santana; Nascente, Adriano Stephan.
There is a lack of information about the effects of interactions among lime, phosphogypsum (PG) and fertilization on soil fertility and their effects on common bean yields in the tropics. This study aimed to determine the effects of annual application of PG and limestone and rates of fertilization on the chemical attributes of soil, fertilization efficiency, yield components and the grain yield of the common bean. The study was performed for three growing seasons in an acidic Oxisol. The experimental design was randomized blocks in a 4x4 factorial scheme. The treatments consisted of lime, lime + PG, PG, and control (without corrective application) with four fertilization rates. In an acidic and low-fertility Cerrado soil, limestone or limestone + PG...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Soil acidity; Calcium carbonate; Liming; Phosphogypsum.; Fertilidade do solo; Nutrição de plantas; Fitotecnia.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39322
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Application of lime, phosphogypsum and fertilization rates affect soil fertility and common bean development in no-tillage system in a Cerrado Oxisol Agronomy
Carvalho, Maria da Conceição Santana; Nascente, Adriano Stephan.
There is a lack of information about the effects of interactions among lime, phosphogypsum (PG) and fertilization on soil fertility and their effects on common bean yields in the tropics. This study aimed to determine the effects of annual application of PG and limestone and rates of fertilization on the chemical attributes of soil, fertilization efficiency, yield components and the grain yield of the common bean. The study was performed for three growing seasons in an acidic Oxisol. The experimental design was randomized blocks in a 4x4 factorial scheme. The treatments consisted of lime, lime + PG, PG, and control (without corrective application) with four fertilization rates. In an acidic and low-fertility Cerrado soil, limestone or limestone + PG...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ciências agrárias; Solos e nutrição de plantas Phaseolus vulgaris; Soil acidity; Calcium carbonate; Liming; Phosphogypsum. fertilidade do solo; Nutrição de plantas; Fitotecnia.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39322
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Effects of row spacing and nitrogen topdressing fertilization on the yield of upland rice in a no-tillage system Agronomy
Lacerda, Mábio Chrisley; Nascente, Adriano Stephan.
This study aimed to evaluate the effect of row spacing and nitrogen topdressing fertilization of two materials (genotype 07SEQCL441 CL and cultivar BRS Esmeralda) on the plant height, yield components, grain yield, and quality of an upland rice crop grown in a no-tillage system. Trials were conducted for two growing seasons under field conditions in a 3 x 4 factorial, randomized, complete block design, with four replications. For each material, treatments consisted of the combination of row spacing (0.225, 0.35, and 0.45 m) with nitrogen (N) applied as topdressing (0, 50, 100, and 150 kg ha-1). The lowest row spacing (0.225 m) for genotypes 07SEQCL441 CL and BRS Esmeralda provided a higher number of tillers, number of panicles m-2, and grain yield of rice....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Fitotecnia; Cultivares Oryza sativa L.; Nitrogen; Plant population; NTS; Cerrado fitotecnia.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/30855
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Nitrogen management effects on soil mineral nitrogen, plant nutrition and yield of super early cycle common bean genotypes Agronomy
Nascente, Adriano Stephan; Carvalho, Maria da Conceição Santana; Melo, Leonardo Cunha; Rosa, Paulo Holanda.
This study was conducted to measure the effects of the timing of nitrogen fertilization (NF) on soil N-NH4+ and N-NO3-, macronutrient contents in the leaves and grains, and the grain yield of super early genotypes (SEG) of common bean. Field experiments were performed for four growing seasons in an Oxisol soil in Santo Antônio de Goiás, Brazil, using a randomized block experimental design in a split plot scheme. The plots were planted with common bean SEG, and the subplots were the NF timings, including a treatment without N fertilization. The available soil N with improved fertility and medium to high levels of organic matter were enough to meet the N demands of the common bean crop in order to achieve yields of up to 3,000 kg ha-1. Fertilization with N,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Fitotecnia Phaseolus vulgaris L.; Early application of N; Fertilization; Brazilian Cerrado; Sustainable agriculture; Produção vegetal.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32781
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