Leaf growth and its interaction with the growing environment critically affect leaf area, distribution, and function, and ultimately affects grain yield of maize (Zea mays L.). To detect the effects of leaf area dynamics, growth periods, and the environment on maize grain yield, a three-year field experiment was conducted using two maize varieties, medium plant-size variety Zhengdan 958 (ZD958) and large plant-size variety Zhongnongda 4 (ZND4), and three to five sowing dates. The sowing date significantly affected maize yield as a result of changes in leaf area, growth stage, and growing environment. Prior to the 12th leaf stage, significant correlations between leaf area dynamics, environment, and yield were seldom detected. The expansion of leaf area from 12th leaf stage to silking stage was significantly positively correlated with growing degree days (GDD), solar radiation, and grain yield, indicating the importance of leaf area dynamics during this period. After silking, solar radiation played a more important role in inducing leaf senescence than GDD, particularly in the 2nd half of the grain filling stage. Accelerated leaf senescence in late growth period can increase maize yield. The environment affected leaf area dynamics and yield of the large plant-size variety (ZND4) more easily than the medium plant-size variety (ZD958) at the optimum plant density, reflecting the difference in varietal capacity to adapt to the growing environment. This study indicates that optimizing the interaction among leaf area dynamics, growth periods, and environment is a sound strategy to increase maize yield. Favorable interactions are useful to determine the optimal sowing date of a given variety.

叶片的生长及其与生长环境的相互作用严重影响叶片的面积，分布和功能，最终影响玉米的产量（玉米）L.）。为了检测叶面积动态，生长期和环境对玉米籽粒产量的影响，使用两个玉米品种（中型正交958（ZD958）和大型中农大品种）进行了为期三年的田间试验。 4（ZND4），以及三到五个播种日期。由于叶面积，生长期和生长环境的变化，播种日期显着影响玉米产量。在第十二个叶期之前，很少检测到叶面积动态，环境和产量之间的显着相关性。从第12叶期到丝化期叶面积的扩展与生长日数（GDD），太阳辐射和谷物产量呈显着正相关，表明在此期间叶面积动态的重要性。蚕丝后 与GDD相比，太阳辐射在诱导叶片衰老中起着更重要的作用，尤其是在籽粒灌浆期的后半段。生育后期叶片衰老加速可提高玉米产量。在最佳植物密度下，环境对植物面积大的品种（ZND4）的叶面积动态和产量的影响要比中等植物大小的品种（ZD958）容易，反映了品种适应生长环境的能力差异。这项研究表明，优化叶面积动态，生育期和环境之间的相互作用是提高玉米产量的有效策略。有利的相互作用对于确定给定品种的最佳播种日期很有用。生育后期叶片衰老加速可提高玉米产量。在最佳植物密度下，环境对植物面积大的品种（ZND4）的叶面积动态和产量的影响要比中等植物大小的品种（ZD958）更容易，反映了品种适应生长环境的能力差异。这项研究表明，优化叶面积动态，生育期和环境之间的相互作用是提高玉米产量的有效策略。有利的相互作用对于确定给定品种的最佳播种日期很有用。生育后期叶片衰老加速可提高玉米产量。在最佳植物密度下，环境对植物面积大的品种（ZND4）的叶面积动态和产量的影响要比中等植物大小的品种（ZD958）容易，反映了品种适应生长环境的能力差异。这项研究表明，优化叶面积动态，生育期和环境之间的相互作用是提高玉米产量的有效策略。有利的相互作用对于确定给定品种的最佳播种日期很有用。反映了品种适应不同环境的能力差异。这项研究表明，优化叶面积动态，生育期和环境之间的相互作用是提高玉米产量的有效策略。有利的相互作用对于确定给定品种的最佳播种日期很有用。反映了品种适应不同环境的能力差异。这项研究表明，优化叶面积动态，生育期和环境之间的相互作用是提高玉米产量的有效策略。有利的相互作用对于确定给定品种的最佳播种日期很有用。