稻茬小麦氮高效品种产量构成和群体质量特征
丁永刚,李福建,王亚华,汤小庆,杜同庆,朱敏,李春燕,朱新开,丁锦峰,郭文善

Characteristics of yield components and population quality in high-nitrogen- utilization wheat cultivars
Yong-Gang DING,Fu-Jian LI,Ya-Hua WANG,Xiao-Qing TANG,Tong-Qing DU,Min ZHU,Chun-Yan LI,Xin-Kai ZHU,Jin-Feng DING,Wen-Shan GUO
图1 小麦不同生育阶段的积温、日照和降雨量
SD: 播种; BW: 越冬始期; EL: 拔节期; BS: 孕穗期; MS: 成熟期。
Fig. 1 Accumulated temperature, precipitation, and sunshine during different growth phases
SD: seeding; BW: beginning of winter; EL: elongation; BT: booting stage; MS: maturity stage.