不同尿素类型及施用方式对滴灌冬小麦植株性状及产量构成的影响
李杰, 张永强, 雷钧杰, 吕晓庆, 陈传信, 徐其江, 聂石辉, 徐文修, 常旭虹

Effects of Different Urea Types and Application Methods on Plant Characteristics and Yield Composition of Winter Wheat under Drip Irrigation
Li Jie, Zhang Yongqiang, Lei Junjie, Lü Xiaoqing, Chen Chuanxin, Xu Qijiang, Nie Shihui, Xu Wenxiu, Chang Xuhong
表3 不同处理下滴灌冬小麦干物质转运及其对籽粒产量贡献率的变化
Table 3 Changes of dry matter transport and its contribution rate to grain yield of drip-irrigated winter wheat under different treatments
处理
Treatment
花前干物质Dry matter before anthesis 花后干物质Dry matter after anthesis
转运量
Translocation
amount (kg/hm2)
转运效率
Translocation
rate (%)
对籽粒产量贡献率
Contribution rate to
grain yield (%)
生产量
Photoassimilate
amount (kg/hm2)
对籽粒产量贡献率
Contribution rate to
grain yield (%)
F0 2233.93d 18b 21b 8444.15c 60c
F1 3883.77a 27a 30a 9119.08b 65b
F2 3058.73b 22b 22b 10 969.08ab 68ab
F3 2806.53b 20b 19b 11 950.40ab 71a
F4 2615.77c 19b 18b 12 262.42a 72a