摘要
为探讨不同施肥方式对砂姜黑土的培肥效果和不同土壤基础肥力水平对优质强筋小麦产量及品质的影响,在22年长期定位试验的基础上,研究了不同施肥方式下砂姜黑土基础肥力的变化,并分析了土壤主要养分性状与强筋小麦产量和品质的关系。结果表明,长期单施有机肥或有机肥与化肥配合施用均能较单施化肥处理显著提高土壤全氮、有机质、碱解氮、速效磷及速效钾的含量;同一施氮水平,有机肥与化肥配施处理的基础肥力产量(不施肥时的产量)较单施化肥的高2 715.0 kg.hm-2。土壤有机质、全氮、全磷及速效磷含量与籽粒产量、蛋白质、湿面筋和沉降值均呈正相关。有机肥与化肥配施不仅是培肥地力的主要途径,同时还是确保优质小麦保优栽培,实现可持续发展的有效措施。
Using data from 22 years fertilization experiment,the effect of fertilization on soil fertility,and the yield and quality of strong gluten wheat in Shajiang black soils were investigated in this study.The results show that long-term application of either organic manure alone or its combination with chemical fertilizer increases soil organic matter content and available N,P,K.Based on wheat yield,basic fertility under combined fertilization is 2 715.0 kg·hm^-2 higher than that under chemical fertilizers alone with same N treatment.Yield as well as protein content,wet gluten and sedimentation value of strong gluten wheat are in direct correlation with soil organic matter content,total N,total P and available P.Combined fertilization is a relevant approach and does not only increase basic soil fertility,but does also enhance sustainable cultivation of strong gluten wheat.
出处
《中国生态农业学报》
CAS
CSCD
2008年第5期1073-1077,共5页
Chinese Journal of Eco-Agriculture
基金
国家科技支撑计划(2007BAD89B10-2)
国家粮食丰产科技工程项目(2006BAD02A06-19)资助
关键词
砂姜黑土
基础肥力
强筋小麦
产量
品质
Shajiang black soil,Basic fertility,Strong gluten wheat,Yield,Quality
