ZHU Bao-guo,YU Zhong-he,JIA Hui-bin,et al.Effect of Controlled Release Urea and Common UreaCombined Application on PhysiologicalCharacteristics and Quality of Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(07):42-44.
控释尿素和普通尿素混施对玉米生理特性和品质的影响
- Title:
- Effect of Controlled Release Urea and Common UreaCombined Application on PhysiologicalCharacteristics and Quality of Maize
- 文章编号:
- 1002-2767（2011）07-0042-03
- 分类号:
- S513.062
- 文献标志码:
- A
- 摘要:
- 通过对合玉21玉米株高、叶绿素、地上部生物量及品质的测定分析，研究了控释尿素（CRU）和普通尿素（CU）混施对玉米生理特性和品质的影响。结果表明：拔节期以后，控释尿素和普通尿素混施对玉米株高、叶绿素含量和地上部生物量提高有较大影响，株高和叶绿素以处理CRU40%+CU60%最佳；地上部生物量以处理CRU100%最大。控释尿素和普通尿素混施均能提高蛋白质和脂肪含量，且以处理CRU40%+CU60%提高最大。与不施氮肥相比，各处理蛋白质含量差异均达显著水平，脂肪含量差异不显著。
- Abstract:
- According to the determination and analysis on plant height，chlorophyll content，aboveground biomass of Heyu 21，the effect of controlled release urea (CRU) and common urea (CU) combined application on physiological characteristics and quality of maize were studied.The results indicated:After jointing stage，CRU and CU combined application had the most important influence on improving maize height，chlorophyll content and aboveground biomass.CRU40%+CU60% was the best treatment of chlorophyll.CRU100% was the best treatment of aboveground biomass.CRU and CU combined application could increase protein and fat content of maize seed，CRU40%+PU60% increases the maximum.Compared with the no fertilizer treatment，protein content difference of the other treatments reached significant level，while fat content was not significant.
参考文献/References:
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备注/Memo
基金项目：“十一五”国家科技支撑计划资助项目（2009BADB3B00）