研究了拔节期深松对夏玉米物质生产及光合作用的影响。的翻译：Study on the jointing stage subsoiling effect on summer maize dry matter production and photosynthesis. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Studied the jointing material subsoiling on maize production and photosynthesis.

Study on the jointing stage subsoiling effect on summer maize dry matter production and photosynthesis.

Has studied the jointing stage deep pine to the summer corn physical production and the photosynthesis influence.

Study for the ear sprouting fukamatsu On a summer corn material production and photosynthesis.

Study on the jointing stage subsoiling effect on summer maize dry matter production and photosynthesis.