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首页> 外文期刊>Indian Journal of Entomology >Effect of levels of irrigation and fertilizers on the incidence of diamond back moth (Plutella xylostella Linn.).
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Effect of levels of irrigation and fertilizers on the incidence of diamond back moth (Plutella xylostella Linn.).

机译:灌溉水平和肥料水平对小菜蛾发生率的影响(小菜蛾)。

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摘要

The effects of irrigation (at 30 days after sowing or DAS, 30 and 45 DAS, or 30, 45 and 60 DAS) and NPK fertilizers (80:40:40, 60:30:30 and 40:20:20 kg/ha through urea, single superphosphate and muriate of potash, respectively) on the incidence of P. xylostella on Brassica campestris var. sarson (cv. Jhumka) were studied in Pundibari, Cooch Behar, West Bengal, India, during the rabi seasons of 2005-06 and 2006-07. The irrigation and fertilizer levels had no significant effect on the incidence of P. xylostella. Among the interactions between irrigation and fertilizer treatments, plants irrigated once and supplied with NPK at 40:20:20 or 60:30:30 kg/ha resulted in the lowest larval population (0.12 larvae per plant).
机译:灌溉(播种或DAS后30天,30和45 DAS或30、45和60 DAS)和NPK肥料(80:40:40、60:30:30和40:20:20 kg / ha)的效果分别通过尿素,过磷酸钙和钾肥对小菜蛾在甘蓝型油菜上的发生率的影响。在印度西南孟加拉的2005-06年和2006-07年的狂犬病季节,在印度的Cound Behar的Pundibari,Pundibari研究了sarson(乔姆卡)。灌溉和肥料水平对小菜蛾的发生率没有显着影响。在灌溉和肥料处理之间的相互作用中,一次性灌溉并以40:20:20或60:30:30 kg / ha供应NPK的植物导致最低的幼虫种群(每株0.12幼虫)。

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