Therefore, the protective measures including adjusting arrangement of cropping, breeding variety with higher resistance to low temperature and early sowing and early transplanting are put forward.
为此提出调整布局、培育抗低温品种、适时早播早栽、提高气候预测预警能力等防御措施。
2
Application of nitrogenous fertilizer to early rice at the ear primordia stage under the triple-cropping system was studied.
对三熟制早稻用氮素化肥作穗肥进行了研究。
3
Researchers reviewed three outbreaks in early 2004 through late 2005. They looked at five variables: duck abundance, human population, chicken Numbers, elevation and rice cropping intensity.