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首页> 外文期刊>Journal of Maize Research and Development >Assessing the effect of phosphorus application on early growth of maize at Sunderbazar, Lamjung, Nepal
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Assessing the effect of phosphorus application on early growth of maize at Sunderbazar, Lamjung, Nepal

机译：评估尼泊尔兰姆德桑德巴扎尔施磷对玉米早期生长的影响

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摘要

Phosphorus (P) is an essential nutrient element for maize production. A pot experiment was conducted during May-June, 2015 to assess the effects of different rates of P on early growth of maize plant at Sundarbazar, Lamjung. Two maize varieties (Rato Makai and Poshilo Makai-1) were subjected to four P levels (0 kg ha-1, 13 kg ha-1, 18 kg ha-1, and 23 kg ha-1) in randomized complete block design with four replications. The effects of different P level on root elongation, root biomass, plant height, root shoot biomass ratio and total dry matter were investigated at 45 days after sowing. For all parameters, the maximum value was obtained when soil was added with 18 kg P ha-1 & the minimum value under the control of 0 kg P ha-1. Maize varieties differed significantly in terms of all the parameters under study, and Poshilo Makai-1 performed better than Rato Makai at all P levels. So, from this result, it can be concluded that Poshilo Makai-1 appeared to be P efficient over Rato Makai at early growth stage. However, it would be necessary to look at the response of crop up to maturity and at wider range of P to have the better insight of their relative performance.
机译：磷（P）是玉米生产中必不可少的营养元素。 2015年5月至6月进行了盆栽试验，以评估不同比例的磷对Lamjung Sundarbazar玉米植物早期生长的影响。在随机完整块设计中，两个玉米品种（Rato Makai和Poshilo Makai-1）经历了四个P水平（0 kg ha-1、13 kg ha-1、18 kg ha-1和23 kg ha-1），其中四个重复。在播种后45天，研究了不同磷水平对根伸长，根生物量，株高，根枝生物量比和总干物质的影响。对于所有参数，当土壤中添加18 kg P ha-1时获得最大值，而在0 kg P ha-1的控制下获得最小值。在所研究的所有参数方面，玉米品种差异显着，在所有磷水平下，Poshilo Makai-1的表现均优于Rato Makai。因此，从该结果可以得出结论，在生长早期，Poshilo Makai-1似乎比Rato Makai有效。但是，有必要研究农作物对成熟期的反应，并在更宽的磷含量范围内，以更好地了解其相对表现。

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