摘要
通过对Triabon和Field两种缓释肥料的试验研究,结果表明:缓释肥料具有良好的养分缓释效果,肥效期均可达到100d,但Triabon缓释效果优于国产的Field。施用缓释肥料Triabon600kg/hm2,春小麦单产7083kg/hm2,比对照增产42 5%,且穗粒数、千粒重均较对照增加明显,Field次之。施用缓释肥料的籽实、茎叶N、P、K携出量分别比等NPK养分混配肥料S提高了2 4%～14 8%,5 6%～21 2%,8 0%～11 3%。缓释肥料的N利用率达到37 2%～60 9%,P利用率24 7%～40 3%,K利用率71 3%～81 9%,减少了肥料损失。
Through experimental research on 2 slow release compound fertilizers of Triabon and Field,the results showed that slow-release effects of the fertilizers was obvious with the nutrient releasing postpone. The effect period of 2 slow release compound fertilizers for spring wheat was more than 100 days, and the effect of abroad Triabon was superior to that of domestic Field. After applying 600 kg/hm^2 of Triabon the yield of spring wheat was 7083.3 kg/hm^2 higher than that of CK, with increasing by 42.5%. Spike grain number and thousand kernel weight increased significantly than CK, secondary was Field. The uptake of N, P and K from grain, stem and leaf of applying slow release fertilizers was higher than that of applying simple bulk-blend fertilizer(S), with increasing by 2.4%～14.8%,5.6%～21.2%,8.0%～11.3%,respectiviely. The utilization efficiency of N,P and K nutrition of slow release fertilizer was 37.2%～60.9%,24.7%～40.3% and 71.3%～81.9% , and reduced fertilizer loss.
出处
《土壤肥料》
CSCD
北大核心
2004年第2期23-25,共3页
Soils and Fertilizers
基金
国家 948项目 :"干旱半干旱地区小麦增产关键技术引进"中新型肥料引进的一部分
