控释氮肥对辣椒产量及氮肥利用率的影响  

Effects of controlled release nitrogen fertilizers on the yield and nitrogen use efficiency of pepper

作　　者：曾建华[1] 龚胜华 潘孝忠 符传良 

机构地区：[1]海南省农科院土壤肥料研发中心/农作物遗传育种重点实验室,海南海口571100 [2]海南省农科院农产品加工研究所,海南海口571100

出　　处：《广东农业科学》2013年第3期46-47,50,共3页Guangdong Agricultural Sciences

基　　金：海南省科学事业费项目(琼财预[2010]139号)

摘　　要：控释氮肥对辣椒产量及氮肥利用率影响的试验结果表明：在等量氮磷钾养分条件下，控释氮肥对辣椒有增产、改善品质和提高氮肥利用率效果，与施用普通尿素相比，产量可增加10．1％～11．8％，维生素C含量增加7．4％～8．6％，辣椒单果重和果长分别提高2．5％～4．6％和4．8％～6．8％，氮肥利用率提高10．1～12-4个百分点。在田间试验中，控释氮肥2在辣椒生产上显得更有优势，具有一定的应用前景。A field trial was conducted to evaluate the application effects of controlled release nitrogen fertilizers on pepper. The results indicated that application of controlled release nitrogen fertilizer showed positive effects in yield increase, quality improvement and nitrogen use efficiency under the same nutrients. Compared with common urea, application of controlled release nitrogen fertilizer could increase yield, Vc content, fruit weight, fruit length and nitrogen use efficiency by 10.1%～11.8%, 7.4%～8.6%, 2.5%～4.6%, 4.8%～6.8%, and 10.1～12.4 percentage points respectively. The controlled release nutrient fertilizer （No. 2） was the most effective among the fertilizers in field trial, suggesting that it may have potential as a commercial fertilizer.

关 键 词：控释氮肥 辣椒 产量 氮肥利用率 

分 类 号：S143.15[农业科学—肥料学]