渭北旱塬豆科绿肥提高冬小麦籽粒锌的效应与影响因素研究

刘苡轩,黄冬琳,刘娜,姚致远,尹丹,蒙元永,赵护兵,高亚军,王朝辉

The Increasing Effect and Influencing Factors of Leguminous Green Manure on Wheat Grain Zn in Weibei Highland

YiXuan LIU,DongLin HUANG,Na LIU,ZhiYuan YAO,Dan YIN,YuanYong MENG,HuBing ZHAO,YaYun GAO,ZhaoHui WANG

表4 豆科绿肥地上部生物量及养分含量

Table 4 Shoot biomass and chemical properties of leguminous green manures

地点 Site 处理 Treatment 生物量 Biomass (kg·hm-2) 锌含量 Zn concentration (mg·kg-1) 锌吸收量 Zn uptake (g·hm-2) C/N 氮含量 N concentration (g·kg-1) 氮吸收量 N uptake (kg·hm-2) 永寿 Yongshou 黑麦豆—小麦KW 1886a 21.9b 41.4a 13.1b 33.5a 63.2a 绿豆—小麦 MW 1520 b 25.2a* 38.5a* 16.1a 26.0b 39.5b 长武 Changwu 怀豆—小麦 KW 1242a 20.4a 25.4a 13.3b 32.8a 40.8a 绿豆—小麦MW 1294a 13.6b 17.7a 16.7a 25.4b 32.7a