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首页> 外文期刊>Revista Brasileira de Fruticultura >Aduba??o com potássio e nitrogênio em três cíclos de produ??o da bananeira cv. prata-an?
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Aduba??o com potássio e nitrogênio em três cíclos de produ??o da bananeira cv. prata-an?

机译：香蕉简历三个生产周期中的钾和氮肥施肥。银安？

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摘要

Nitrogen, after potassium, is the chemical element most required by banana crop. This work evaluated the effect of nitrogen and potassium fertilization on irrigated banana crop (Prata-An?, AAB) yield. Five rates of N (0 , 200 , 400 , 800 and 1600 kg ha-1 year-1) and five rates of K2O (0; 200; 400; 800 and 1600 kg ha-1 year-1), in a (5x5) factorial design were studied. The data were obtained during three yield cycles (second, third and four cycles), on an eutrofic Red-Yellow latosol, sandy-clay, in the North of Minas Gerais State, Brazil. The content of Mn have increased in the leaves with the increased amount of N applied in the soil. The banana yield reduced with the rise of the Mn content in the leaves, on the second and third cycle. The maximum yield was obtained with the application of 962,5 kg of K2O ha-1year-1, on the fourth cycle. No interaction between N and K was found.
机译：除钾外，氮是香蕉作物最需要的化学元素。这项工作评估了氮和钾肥对灌溉香蕉作物（Prata-An？，AAB）产量的影响。在（5x5）中，五个比率的N（0、200、400、800和1600 kg ha-1 year-1）和五个比率的K2O（0; 200; 400; 800和1600 kg ha-1 year-1） ）进行了析因设计。这些数据是在巴西米纳斯吉拉斯州北部富营养化的红黄胶溶胶砂质粘土的三个产量周期（第二，第三和四个周期）中获得的。随着土壤中氮素含量的增加，叶片中的锰含量也随之增加。在第二个和第三个循环中，香蕉产量随叶片中Mn含量的增加而降低。在第四个周期中，施用962.5 kg K2O ha-1year-1可获得最大产量。在N和K之间未发现相互作用。

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