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
A: 正确
B: 错误
举一反三
- 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
- ( ) 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
- The range of sowing period for transplanting rapeseed in winter rapeseed region in southern China is A: A. Mid-August-Late B: B, Mid-September-Late C: C, Mid-October-Late D: D, Mid-November-Late
- The clinical stage of vitamin D deficiency rickets is A: Early period, middle period, late period B: Initial period, peak period, recovery period C: Early stage, acute period, recovery period, sequelae period D: none of the above
- The crisis period is also called the _______ or ________ stage. During this stage, a person experiences what is called ___________. Sojourners in this period must directly face the _______ of the new culture on a day-to-day basis.