在土壤-作物-大气综合系统中,作物的生长发育和最终产量的形成过程,实际是物质-能量的转化、物质分配积累和能量平衡的过程。所谓动态模拟,就是对作物的生存环境、作物的光合作用、呼吸作用、营养积累、输送分配及转换等一系列生理、生化过程进行模拟研究。目前一些发达国家正在深入开展作物产量的模拟模式试验研究。在我国已有的类似试验中,多 In the soil-crop-atmosphere integrated system, the process of crop growth and development and final yield formation is actually the process of material-energy conversion, material distribution and energy balance. The so-called dynamic simulation is to simulate a series of physiological and biochemical processes such as the living environment of crops, the photosynthesis of crops, respiration, nutrient accumulation, transport distribution and transformation. At present, some developed countries are conducting in-depth simulation experiments on crop yield. There are many similar experiments in our country