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Mimosa caesalpiniifolia intercropping, weeds removal and nitrogen fertilization on maize Horticultura Brasileira
Monteiro,Alex L; Silva,Paulo SL; Tavella,Leonardo B; Oliveira,Fábio HT; Silva,Paulo IB.
ABSTRACT: Weeding is expensive and laborious, and some weeds may re-establish themselves afterwards. Arboreal leguminous plants can control weeds, and fertilization with nitrogen can increases the competitive ability of the maize. The aim of this work was to evaluate the effects of weed-removal and intercropping with sabiá (Mimosa caesalpiniifolia) on control of weed plants and maize productivity. A randomized complete block design in a split-plot arrangement was used with five replications. Cultivar AG 105, fertilized with nitrogen (30 and 120 kg/ha of N applied to the plots) was subjected to the following treatments (subplots): A) no weeding; B) intercropping with sabiá (30 viable seeds/m2, broadcast between the rows of maize); C) hoeing {20 and 40 days...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays; Green corn; Grain yield; Hoeing..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362016000200175
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Nitrogen and phosphate fertilizer on green corn grown in succession to the melon crop Horticultura Brasileira
Souza Filho,Antonio L; Oliveira,Fábio HT; Preston,Welka; Silva,Gerônimo F; Carvalho,Simplício L.
ABSTRACT Melon producers, in Chapada do Apodi, Rio Grande do Norte State, Brazil, located between the states of Ceará and Rio Grande do Norte, have cultivated corn in succession to the melon crop. However, this crop rotation is not yet evaluated on the extent to which the residual effect of nitrogen and phosphate fertilization carried out in melon can supply partially or completely the corn demands of nitrogen and phosphorus. This work aimed to evaluate the effect of nitrogen (N) and phosphorus (P) in the production of corn in succession to the cultivation of melon (Cucumis melo) irrigated in an Alkaline Inceptisol of Chapada do Apodi. Ten treatments from the combinations between five N rates (0; 45; 90; 160 and 220 kg/ha) and four levels of P2O5 (0; 40;...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cucumis melo; Zea mays; Continuous cultivation; Fertilization; Residual effect..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362016000300392
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