In the dry crop areas, the cotton planters have developed various patterns relay-interplanting of cotton and cereals.

旱粮棉区的棉农创造了多种棉花和粮食作物的间作套种方式。

youdao

The residue accumulation status of copper in orchard soil where bordeaux mixture was applied for many years, its effects on fruits and intercrop and interplanting of another crop were elaborated.

阐述了因长期施用波尔多液致使铜在果园土壤中的残留积累状况及其对果园作物生长的影响。

youdao