黄土高原旱地长期施用化肥对小麦品质的影响  

Effect of Long Term Fertilization on Wheat Quality in Semi-arid Land of the Loess Plateau

作　　者：樊虎玲[1] 郝明德[2] 李志西[3] 

机构地区：[1]西北农林科技大学农学院,陕西杨凌712100 [2]中国科学院水利部水土保持研究所,陕西杨凌712100 [3]西北农林科技大学食品与工程科学院,陕西杨凌712100

出　　处：《麦类作物学报》2005年第5期51-55,共5页Journal of Triticeae Crops

基　　金：中国科学院野外台站基金项目;中国科学院知识创新方向性项目(KZCX2-413-3);国家"十五"科技攻关项目(2004ba508b15)

摘　　要：以小麦品种长武134为材料,采用长期肥料定位试验,研究施用氮、磷化肥对小麦品质的影响。结果表明,施用氮肥对小麦品质改良作用明显,随施氮量增加,小麦营养品质显著提高,面团强度和筋力增强,延伸性降低;施用磷肥会引起小麦品质下降,随磷肥施用量增加小麦营养品质下降,面团强度和筋力降低,延伸性增大;氮、磷配施有利于改良小麦品质。在黄土高原干旱地区,最佳的氮、磷化肥施用量为氮肥90 kg/hm2,磷肥39.6 kg/hm2。Based on long term applied fertilization, the effect on wheat quality of long term applied N and P fertilizers were studied in this article. The results showed that fertilizer N could improve the nutritional quality of wheat, increase paste strength and extension, but decrease paste flexibility. Fertilizer P could decrease wheat nutritional quality, paste strength and extension, and promote paste flexibility. Blended fertilizers N and P made the wheat quality better. An optimal fertilization rate was N 90 kg/hm^2; P 39.6 kg/hm^2 in the semi-arid land of the Loess Plateau.

关 键 词：小麦 氮肥 磷肥 品质 

分 类 号：S512.1[农业科学—作物学] S311