不同施氮水平与FYM对春玉米生长、产量和蛋白质含量的互作效应

Dheeraj Mathukumalli
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摘要

2022年春季,在旁遮普省帕格瓦拉LPU进行了一项名为“不同水平氮和FYM对春玉米生长、产量和蛋白质含量的相互作用”的田间研究。试验采用分区设计,以3个水平的FYM(0、15和22.5 t hm -1)为主区处理,4个水平的N(0、62.5、94和125 kg hm -1)为次区处理,共3个重复。在不同的施氮期,施氮水平的增加显著提高了籽粒产量。N125处理籽粒产量较高,生长性状和产量性状显著提高。无论施氮量如何,FYM15均显著高于FYM0,但进一步增加至FYM22.5对FYM15的影响不显著。FYM15籽粒产量的提高伴随着生长性状和产量性状的显著提高。N与FYM的交互作用显著。FYM15 + N125组合产量最高,为7.67 t ha-1,与FYM22.5 + N125 (7.89 t ha-1)相当,但比FYM22.5 + N94 (6.84 t ha-1)分别高出12%和15%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Interactive effect of different levels of nitrogen and FYM on growth, yield, and protein content of spring maize (Zea mays L.)
A field study entitled ‘Interactive effect of different levels of nitrogen and FYM on growth, yield and protein content of spring maize (Zea mays L.)’ was conducted during spring season in the year 2022 at LPU, Phagwara, Punjab. The experiment was conducted in split plot design with three levels of FYM (0, 15 and 22.5 t ha-1) as main plot treatments and four levels of N (0, 62.5, 94 and 125 kg ha-1) as sub plot treatments with three replications. Irrespective of FYM, increase in the level of N significantly increased the grain yield at every level of N applied. The higher grain yield under N125 was accompanied by a significant increase in growth and yield attributes. Irrespective of N, application of FYM15 significantly increased the grain over FYM0 but further increase to FYM22.5 failed to cause further significant affect over FYM15. The higher grain yield under FYM15 was accompanied by the significant increase in the growth and yield attributes. The interaction between N and FYM was significant. The highest grain yield (7.67 t ha-1) was recorded under the combination of FYM15 + N125, which was at par with FYM22.5 + N125 (7.89 t ha-1) but 12 % higher than FYM22.5 + N94 (6.84 t ha-1) and 15 % higher than FYM15 + N94.
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