在人工控制水分的测试坑条件下，对玉米全生育期的研究表明；

Summer corn in all growth period was studied under the control water condition in artificial-pit.

youdao

在人工控制水分的测试坑条件下，对玉米全生育期的研究表明；

Summer corn in all growth period was studied under the control water condition in artificial-pit.

youdao