The peak stage of wheat NPK uptake is_____ A: A. seedling emergence- jointing B: B.tillering-jointing C: C.jointing-booting D: D.after flowering
The peak stage of wheat NPK uptake is_____ A: A. seedling emergence- jointing B: B.tillering-jointing C: C.jointing-booting D: D.after flowering
( ) is an important period to determine the kernel weight of rape. A: Seedling period B: The pod development and maturity period C: Bud period D: Flowering period
( ) is an important period to determine the kernel weight of rape. A: Seedling period B: The pod development and maturity period C: Bud period D: Flowering period
Cabbage is a seed vernalization type crop. In case of a period of continuous low temperature weather during the sowing period, seedling transplanting can be used instead of seeding directly to prevent early bolting.
Cabbage is a seed vernalization type crop. In case of a period of continuous low temperature weather during the sowing period, seedling transplanting can be used instead of seeding directly to prevent early bolting.
Cabbage is a seed vernalization type crop. In case of a period of continuous low temperature weather during the sowing period, seedling transplanting can be used instead of seeding directly to prevent early bolting. A: 正确 B: 错误
Cabbage is a seed vernalization type crop. In case of a period of continuous low temperature weather during the sowing period, seedling transplanting can be used instead of seeding directly to prevent early bolting. A: 正确 B: 错误