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不同用量增效尿素对棉花农艺性状及产量的影响
贾莉莉
0
(金正大生态工程集团股份有限公司 山东临沭 农业部植物营养与新型肥料创制重点实验室 山东临沭)
摘要:
为提高棉花产量,提升纤维品质,以新陆中57号为材料,研究不同用量增效尿素对棉花农艺性状及产量的影响。结果表明,随着增效尿素用量的增加,棉花株高,茎粗,果枝数和铃数呈现先升高后降低的趋势,在N3(525kg/hm2)处理下,达到最大值;SPAD值在不同时期,呈现先升高后降低的趋势,花期达到峰值;产量性状,N3(525kg/hm2)处理下,单铃重和衣分最大;纤维品质,N3(525kg/hm2)处理下,长度,麦克隆值,成熟度最好。综上,可以得出,增效尿素适宜的用量为525kg/hm2,才能达到高产提质的效果。
关键词:  增效尿素  不同用量  棉花  农艺性状  产量
DOI:
投稿时间:2019-03-07修订日期:2019-03-07
基金项目:
Effects of Different Synergistic Urea on Cotton Agronomic Characteristics and Yield
()
Abstract:
In order to improve the yield and fiber quality of cotton, xinluzhong 57 was used as material to study the effect of different synergistic urea on cotton agronomic characteristics and yield. The results showed that with the increase of synergistic urea, the plant height, stem diameter, fruit branch number and boll number showed a trend of increasing first and then decreasing, and reached the maximum under the N3 (525kg/hm2) treatment. SPAD values showed a trend of increasing first and then decreasing in different periods, and the flowering period reached a peak.: Under the N3 (525kg/hm2) treatment, single boll weight and clothing percentage were the largest on Yield characteristics ; Under the N3 (525kg/hm2) treatment, length, macron value, maturity is the best on fiber quality. In conclusion, it can be concluded that the appropriate dosage of synergistic urea (525kg/hm2) can achieve the effect of high yield and quality improvement.
Key words:  synergistic urea  Different dosage  Cotton  Agronomic characters  Yield

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