2009
DOI: 10.1590/s1413-70542009000200042
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Rendimento produtivo e econômico do feijão-caupi em função de doses de potássio

Abstract: RESUMOO , and 170 kg ha -1 K 2 O were responsible for the maximum yields of 4.18 t ha -1 of pods, 3.48 t ha -1 of green grains, and 1.89 t ha -1 of dry grains, respectively. The maximum level of economical efficiency for the yield of dry grains was 141 kg ha -1 K 2 O, with a yield of 1.87 t ha -1 .

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Cited by 19 publications
(24 citation statements)
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“…O potássio tem inúmeras funções na planta, destacando-se, principalmente, a ativação de vários sistemas enzimáticos, muitos deles participantes dos processos de fotossíntese e respiração (Oliveira et al 2009). Reforçando esta informação, Ramos et al (2010) relataram que a eficiência de aproveitamento do fósforo pelo feijoeiro, via fertilizante, atinge, no máximo, 20%.…”
Section: Nitrogênio Antecipado Mais Adubação Suplementarunclassified
“…O potássio tem inúmeras funções na planta, destacando-se, principalmente, a ativação de vários sistemas enzimáticos, muitos deles participantes dos processos de fotossíntese e respiração (Oliveira et al 2009). Reforçando esta informação, Ramos et al (2010) relataram que a eficiência de aproveitamento do fósforo pelo feijoeiro, via fertilizante, atinge, no máximo, 20%.…”
Section: Nitrogênio Antecipado Mais Adubação Suplementarunclassified
“…According to Melo et al (2005), the amount of potassium considered critical for the normal development of the cowpea bean is between 20 and 40 kg ha -1 and cowpea bean rarely responds to potassium fertilization. However, Oliveira et al (2009) observed in cowpea bean yields with values above 150 kg ha -1 in the soil. In this study 60 kg ha -1 was added, according to fertilizer recommendation.…”
Section: Bmentioning
confidence: 87%
“…The black cowpea crop plants with addition of nitrogen fertilization were slightly superior in the last time of collection in the stem height. Some authors state that to obtain high yields of cowpea, is necessary the use of seeds with quality, and report that the providing of a nitrogen fertilization in organic matter and NPK (MAIA et al, 1986;OLIVEIRA et al, 2001;OLIVEIRA et al, 2009). …”
Section: Print-issn 1983-6325 (On Line) E-issn 1984-7548mentioning
confidence: 99%
“…In the Paraíba, it is cultivated in almost every micro region, where occupies 75% of the cultivation areas with bean. Thus, it exerts effective participation in the diet of the population, for constituting an excellent source of proteins and carbohydrates of low cost (SILVA and OLIVEIRA, 1993;SOUSA, 2007;OLIVEIRA et al, 2009).…”
Section: Introductionmentioning
confidence: 99%