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3 豆科绿肥—小麦轮作对小麦各部分锌累积量和锌收获指数的影响

Table 3 Effects of different leguminous green manure-wheat rotations on Zn accumulation and Zn harvest index of winter wheat

地点 Site 处理 Treatments 锌累积量 Zn content (g·hm-2) 锌收获指数 Zn harvest index (%) 籽粒 Grain 颖壳 Glume 茎叶 Stem 地上部 Shoot 永寿 Yongshou 休闲—小麦FW 92.3a 6.0a 25.7a 124.0a 74.8a 黑麦豆—小麦KW 71.0c 4.8a 17.9a 93.8c 75.7a 绿豆—小麦MW 78.3b* 5.7a* 24.3a* 108.3b* 72.3a 平均Mean 80.5 5.5 22.7 108.7 74.3 长武 Changwu 休闲—小麦FW 40.8a 4.1a 9.9a 54.9a 74.5a 怀豆—小麦KW 42.6a 3.7a 11.0a 57.3a 74.3a 绿豆—小麦MW 36.9a 2.8a 7.9a 47.6a 77.3a 平均Mean 40.1 3.5 9.6 53.2 75.4