落叶果树氮素营养研究进展  

Advances in Research on Nitrogen Nutrition of Deciduous Fruit Crops

作　　者：彭福田[1] 姜远茂[1] 顾曼如[1] 束怀瑞[1] 

机构地区：[1]山东农业大学园艺系,山东泰安271018

出　　处：《果树学报》2003年第1期54-58,共5页Journal of Fruit Science

摘　　要：氮素作为养分与信号对果树的生长发育及产量品质的形成有重要影响。近年来有关果树的施氮效应、需氮特性、诊断技术、精准施氮技术的研究取得了许多进展,在保证果树优质丰产的前提下,为降低氮肥施用量,提高氮肥利用率,减少环境污染提供了施氮的原理与技术。Nitrogen,as a nutrient and signal,has an important effect on growth and development of fruit trees.Advances in research on effect of nitrogen on growth and fruiting,nitrogen shortage characters,nitrogen diagnosis and precision applica-tion technology have been made in recent years,which provided the theoretical and technological bases for raising nitrogen utilization rate and reducing nitrogen pollution in receiving high quality production.

关 键 词：氮素营养 落叶果树 需氮特性 施氮技术 肥效 氮肥 

分 类 号：S66[农业科学—果树学]