Water deficit at jointing stage affected mostly dry matter accumulation.
拔节期水分亏缺对干物质累积量影响最大。
参考来源 - 节水灌溉条件下作物根区水氮迁移和高效利用机制研究LAI increased along with the density increase. The increasing rate of LAI was bigest at jointing stage and droped at tasseling stage.
中间型品种辽单527和稀植品种丹玉39都是在抽雄以后就迅速下降,单株叶面积较大值维持时间较短;LAI随着密度的增加而增大,以拨节期-抽丝期增长速率最快,抽雄期以后开始下降。
参考来源 - 不同耐密性玉米的密植效应及耐密性遗传规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Water deficit at jointing stage affected mostly dry matter accumulation.
拔节期水分亏缺对干物质累积量影响最大。
The suitable time of the chemical spraying should be among the standing to jointing stage.
喷施时期宜在小麦起身期和拔节期。
At each stage of fertility, with the increase of CO_2 concentration, stomatal conductance decreased, the largest drop in jointing stage, the smallest in tillering stage.
在每一个生育阶段，随着CO_2浓度的升高，气孔导度呈下降趋势，拔节期降幅最大，分蘖期最小。
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