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Production of açaí seedlings under different shade levels and controlled release fertilizer. Author(s): ANDRADE NETO, R. de C. This study aimed to evaluate the production and quality of açaí seedlings regarding the presence and absence of controlled-release fertilization under different shading levels. The study was conducted... ... Repository: BDPA Publication year: 2023
Critical levels and fertility classes of soils with high-activity clay in the Brazilian semi-arid region. Author(s): SOUZA, H. A. de; POMPEU, R. C. F. F.; GUEDES, F. L.; TONUCCI, R. G.; CAVALCANTE, A. C. R.; OLIVEIRA JUNIOR, J. O. L. de; SAGRILO, E. Soil fertility evaluation is important for adopting conservation management and adequate nutrient supply. The objective of this study was to identify critical levels and soil fertility classes using t... ... Repository: BDPA Publication year: 2024
Ammonia volatilization, dry matter yield and nitrogen levels of Italian ryegrass fertilized with urea and zeolite. Author(s): BERNARDI, A. C. de C.; OLIVEIRA, P. P. A. The nitrogen loss by ammonia volatilization is one of the main factors for low efficiency of N-urea applied on the soil surface. The reduction of losses by volatilization can be obtained with the addi... ... Repository: BDPA Publication year: 2010
Morphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates. Author(s): PACIULLO, D. S. C.; GOMIDE, C. A. de M.; CASTRO, C. R. T. de; MORENZ, M. J. F. Panicum maximum is important for cattle production in tropical regions, and it responds well to nitrogen (N) fertilization. Many cultivars have exhibited potential for use in silvopastoral systems, al... ... Repository: BDPA Publication year: 2016
Yield, quality components and nitrogen levels of silage corn fertilized with urea and zeolite. Author(s): BERNARDI, A. C. de C.; SOUZA, G. B. de; POLIDORO, J. C. The zeolite and urea mixture may be use to improve N efficiency use of silage corn. The objective of this study was to evaluate dry matter yield, quality components and nutritional levels of nitrogen... ... Repository: BDPA Publication year: 2009
Monitoring of the biological quality of soils submitted to two fertilizer investment levels. Author(s): RESENDE, A. V.; OLIVEIRA-PAIVA, C. A.; OLIVEIRA, M. C.; MARRIEL, I. E. Repository: BDPA Publication year: 2017
Evaluation of soybean cultivars of contrasting cycles according to the level of investment in fertilization. Author(s): BORGHI, E.; RESENDE, A. V. de; SILVA NETO, S. P. da; PEREIRA, A. F. The objective of the present study was to characterize the duration of the phenological stages, the agronomic characteristics and grain yield in soybean cultivars with contrasting cycles and indetermi... ... Repository: BDPA Publication year: 2017
Response of Urochloa mosambicensis genotypes to phosphorus fertilization in soil with low phosphorus levels. Author(s): POMPEU, R. C. F. F.; BUENO, L. G.; SAGRILO, E.; OLIVEIRA JUNIOR, J. O. L. de; SOUZA, H. A. de Abstract: Phosphorus (P) is one of the main nutrients capable of increasing yields of tropical grasses. The definition of adequate P fertilizer rates can contribute to improving forage production of p... ... Repository: BDPA Publication year: 2023
Levels of urea fertilizer on germination and vigor of Urochloa brizantha cv Piatã seeds. Author(s): PASSOS, A. M. A. dos The use of high-quality seeds is a premise for the implantation of pasture under sustainable farming systems to livestock production. The usual practice is to mix Urochloa seeds with nitrogenous to us... ... Repository: BDPA Publication year: 2020
Growth index in massai grass under different levels of nitrogen fertilization. Author(s): POMPEU, R. C. F. F. Abstract: This study aimed to evaluate the growth index of massai grass during two regrowth cycles in a greenhouse under five levels of nitrogen (0, 150, 300, 450 and 600 mg N/dm3 of soil) and eight g... ... Repository: BDPA Publication year: 2011

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