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Efficiency of the fused magnesium potassium phosphate for soybean. Author(s): ABREU, C. A. de; SOUZA, C. P. C. de; VIARO, A. C. K.; ANDRADE, C. A. de; ABREU, M. F. Abstract: The use of ground natural rocks (in natura) containing K was evaluated for the cultivation of rice (NEPTUNE et al., 1980), corn (Siqueira et al., 1985) and more recently in corn, soybeans an... ... Repository: BDPA Publication year: 2014
Growth and nutrient contents in lowland rice due to phosphorus and potassium fertilization. Author(s): REIS, A. F. de B.; NASCENTE, A. S.; ALMEIDA, R. E. M. de; CHAGAS JÚNIOR, A. F. In order to reach an optimum and sustainable production, growers must know the fertilizing potassium (K) and phosphorous (P) application rates. The present study aimed to determine the rice developmen... ... Repository: BDPA Publication year: 2018
The pear tree response to phosphorus and potassium fertilization¹. Author(s): BRUNETTO, G.; NAVA, G.; AMBROSINI, V. G.; COMIN, J. J.; KAMINSKI, J. Repository: BDPA Publication year: 2015
Efficiency and residual effect of alternative potassium sources in grain crops. Author(s): SORATTO, R. P.; CRUSCIOL, C. A. C.; CAMPOS, M. DE; GILABEL, A. P.; COSTA, C. H. M. DA; CASTRO, G. S. A.; FERRARI NETO, J. ABSTRACT: 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 sour... ... Repository: BDPA Publication year: 2021
Induced effects by oxidation with potassium permanganate on the thermal, morphological, colorimetric and pasting properties of corn starch. Author(s): LAZZAROTTO, S. R. da S.; BET, C. D.; HORNUNG, P. S.; LAZZAROTTO, M.; SCHNITZLER, E. Introduction. Native starches are the most consumed polysaccharides in human diet. They are used in several industries as food, textile, pharmaceutic, etc. However due to some limitations starches sho... ... Repository: BDPA Publication year: 2017
Exchangeable potassium reserve in a Brazilian savanna Oxisol after nine years under different cotton production systems. Author(s): FERREIRA, A. C. de B.; BORIN, A. L. D. C.; LAMAS, F. M.; FERREIRA, G. B.; RESENDE, A. V. de Adequate potassium (K) fertilization is essential for agricultural production in soils of the Brazilian Savanna (Cerrado biome) due to the high demand by crops (especially cotton), likelihood of leach... ... Repository: BDPA Publication year: 2022
Potassium fertilization in tropical soils under no-tillage system. Author(s): BERNARDI, A. C. C.; CARVALHO, M. C. S.; POLIDORO, J. C.; BENITES, V. M. Potassium (K) fertilization is one of the most common nutrient inputs used by farmers to cultivate crops on Brazil?s highly weathered, low-fertile and acidic tropical soils. Soil K is typically classi... ... Repository: BDPA Publication year: 2013
Agronomic efficiency for nitrogen, phosphorus, and potassium in bean cultivars. Author(s): PACHECO, J. S.; RESENDE, C. L. P.; MENDES, R. C.; PEREIRA, H. S.; RODRIGUES, F. The aim of this study was to identify and categorize new bean cultivars regarding their efficiency and responsiveness to nitrogen, phosphorus, and potassium, both individually and simultaneously, as w... ... Repository: BDPA Publication year: 2020
Potassium doses and frequency of application to alfalfa in tropical soil. Author(s): BERNARDI, A. C. de C.; RASSINI, J. B. Providing an adequate supply of nutrients is important for alfalfa production and is essential to maintain high quality and profitable yields. Potassium fertilization is essential for alfalfa producti... ... Repository: BDPA Publication year: 2009
Nepheline Syenite and Phonolite as Alternative Potassium Sources for Maize. Author(s): NOGUEIRA, T. A. R.; MIRANDA, B. G.; JALAL, A.; LESSA, L. G. F.; TEIXEIRA FILHO, M. C. M.; MARCANTE, N. C.; ABREU-JUNIOR, C. H.; JANI, A. D.; CAPRA, G. F.; MOREIRA, A.; MARTINS, E. de S. Abstract: Some silicate rocks are a rich source of potassium (K), with the possibility for use in agriculture. The present study aimed to evaluate the agronomic efficiency index (AEI) of nepheline sye... ... Repository: BDPA Publication year: 2021

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