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Maize (<i>Zea mays</i>L.) Productivity in Response to Nitrogen Management in Pakistan
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作者 Hameed gul Saeedur Rahman +4 位作者 Ali Shahzad shareef gul Mengya Qian Qianlin Xiao Zhizhai Liu 《American Journal of Plant Sciences》 2021年第8期1173-1179,共7页
Nitrogen (N) plays a vital role in the productivity of maize (<i>Zea</i> <i>mays</i> L). To investigate the fertilizer effects of N on the yield and growth of maize hybrid variety (Gorilla), th... Nitrogen (N) plays a vital role in the productivity of maize (<i>Zea</i> <i>mays</i> L). To investigate the fertilizer effects of N on the yield and growth of maize hybrid variety (Gorilla), the experiment was carried out at the research farm of University of Swabi, Pakistan, during summer 2017-18. Four levels of N (Urea, Urea + Farm Yard Manure (FYM), Urea + Compost, Urea + Poultry Manure (PM)) were set in the present study. Randomized complete block design (RCBD) was used with split-plot arrangement with N administering to main plot. Results showed that yield and other traits, <i>i.e.</i> plant height, ear length, ear weight, kernel yield, kernels ear<sup>-1</sup> and harvest index (HI) were significantly affected by Nitrogen. In current study, the maximum performances of plant height (231.46 cm), ear length (12.17 cm), kernels ear<sup>-1</sup> (434.83), kernel yield (2095.7 kg&middot;ha<sup>-1</sup>), total kernel weight (350.75 kg&middot;ha<sup>-1</sup>), biomass yield (4015.3 kg&middot;ha<sup>-1</sup>) and HI (37.31) were recorded under the treatment of UREA + PM, and followed by UREA + FYM. Besides, the applications of organic manure in combination with nitrogen significantly increased yield and its components. Application of 50% of N and 50% of poultry manure produced higher performance for the traits of plant height, ear length, kernels ear<sup>-1</sup>, total kernels weight ear<sup>-1</sup>, kernel yield, and biomass yield. 展开更多
关键词 Maize (Zea mays L.) Nitrogen Yield Yield Components Pakistan
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