The rates of brown, milled and head rice increased while chalky rice rate and chalkiness decreased in interplanting with zerotillage.
翻耕移栽秸秆还田也能提高整精米率，降低垩白率和垩白度。
2
A new corn zerotillage seeder with deep loosening and fertilization function, which can be used to seed corn in wheat corn plantation area, was developed.
According to the researches on the usage of herbicided in zerotillage corn field, the results showed that thesingle herbicide could be adopted in the field-grown grassy weed.