
氮肥用量与尿素类型对蜀优217产量及其构成因素的影响
网络出版日期: 2018-07-20
基金资助
四川省科技支撑计划项目(2014SZ0132);“十三五”四川省水稻育种攻关项目(YZGG2016-1)四川省重大科技成果转化示范项目 (2017CC0068);四川省农业科技成果转化项目(2017NZZJ005);国家重点研发计划(2016YFD0300108)、(SQ2017YFNC050029)
Effects of Nitrogen Fertilizer Amounts and Urea Types on Yield and Yield Components of Shuyou 217
吴茂力1,敬树忠2,3,姜心禄2*,陈莉4 . 氮肥用量与尿素类型对蜀优217产量及其构成因素的影响[J]. 中国稻米, 2018 , 24(4) : 109 -112 . DOI: 10.3969/j.issn.1006-8082.2018.04.027
Reasonable application of nitrogen fertilizer is the important measure for high yield cultivation of rice. In order to promote the popularization of Shuyou 217, the effects of different nitrogen amounts and urea types on yield and its components were studied in the double cropping area of rice and wheat in Chengdu Plain in 2016 and 2017. The results showed that the different nitrogen amounts, urea types and their interaction significantly affect the yield of Shuyou 217. The yield was not increased synchronously with the increasement of nitrogen fertilizer, and there were significant differences in yield of different types of urea, low nitrogen amounts of humic acid urea could also obtain higher yield. Therefore, in the production of Shuyou 217, the N-fertilizer management with humic acid urea and pure nitrogen 8 kg/667 m2, base fertilizer ∶ tiller fertilizer ∶ panicle fertilizer were 6∶2∶2, could obtain better yield and environmental effect.
Key words: rice; nitrogen fertilizer amounts; urea types; yield; yield component
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