目前我国对农田林网的研究多集中在防护效益和粮食产量方面,而对农田林网的物质生产、积累、分配以及光能利用等研究较少,而这正是农田林网这种特殊农田生态系统的关键所在。掌握了农田林网生态系统的物质生产,积累、分配、循环的规律可以充 At present, researches on farmland shelterbelts in our country are mostly focused on theprotective benefits and grain yields, while there are few researches on the material production, accumulation, distribution and utilization of light energy in farmland shelterbelt, which is the special farmland The key to the ecosystem. Mastered the farmland forest net ecosystem material production, accumulation, distribution, circulation of the law can be filled