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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

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

Author(s): CAMPOS, D. V. B. de; FIGUEIREDO, M. A.; LIMA, F. L. de O.; CORREA, J. C.; SILVA, C. dos S.; MATTOS, B. B.; ARAUJO, E. da S.

The objective of this work was to evaluate the release of potassium from organomineral fertilizers in the soil, under laboratory conditions.

Repository: BDPA     Publication year: 2023

Author(s): VÉRAS, E. L. de L.; DIFANTE, G. dos S.; ARAUJO, A. R. de; MONTAGNER, D. B.; MONTEIRO, G. O. de A.; ARAÚJO, C. M. C.; GURGEL, A. L. C.; MACEDO, M. C. M.; RODRIGUES, J. G.; SANTANA, J. C. S.

ABSTRACT - The objective was to evaluate the effects of potassium fertilization on the morphogenetic, structural, and productive characteristics of Panicum maximum (cvs. Tanzania, Quênia, Mombaça, Zur... ...

Repository: BDPA     Publication year: 2024

Author(s): TEIXEIRA, P. C.; GONÇALVES, J. L. M.; ARTHUR JUNIOR, J. C.; DEZORDI, C.

Matéria seca e relações hídricas em mudas de Eucalyptus sp. em função da fertilização potássica e da umidade do solo: este trabalho teve como objetivo verificar a influência da adubação potássica e do... ...

Repository: BDPA     Publication year: 2008

Author(s): BERNARDI, A. C. C.; GIMENEZ, L. M.; SILVA, C. A.; MACHADO, P. L. O. A.

Variable rate application of fertilizer has the potential to improve nutrient use efficiency, improve economic returns, and reduce negative environmental impacts. The objective of this study was to ev... ...

Repository: BDPA     Publication year: 2010

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

Author(s): BRUNETTO, G.; NAVA, G.; AMBROSINI, V. G.; COMIN, J. J.; KAMINSKI, J.

Repository: BDPA     Publication year: 2015

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

Author(s): FEITOSA FILHO, J. C.; BOTREL, T. A.; PINTO, J. M.; CAMARGO, A. P.

The experiment was installed in area of the Department of Agricultural Engineering of the ESALQ/USP, Piracicaba-SP, Brazil.

Repository: BDPA     Publication year: 2010

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