作物栽培学是农业科学的重要组成部分。它研究的对象是作物 ,每种作物都有各自的器官建成和产量形成等一系列生长发育规律。每一作物的生长发育的各个过程 ,对外界环境条件都有一定的要求 ,作物栽培学要求研究作物与环境之间的关系、矛盾并加以解决。作物的群体由众多的个体组 Crop cultivation is an important part of agricultural science. It is the object of research crops, each crop has its own organs and yield formation and a series of growth and development laws. Each crop growth and development of the various processes, the external environmental conditions have certain requirements, crop cultivation requires research crops and the relationship between the environment, conflicts and to be resolved. Crop groups consist of numerous individual groups