有些地区稻子一年三熟。
对三熟制早稻用氮素化肥作穗肥进行了研究。
Application of nitrogenous fertilizer to early rice at the ear primordia stage under the triple-cropping system was studied.
中国的南方一带的主要农作物是水稻；这个地方的水稻可达到一年两熟或是两年三熟。
The main crop in southern China is rice, which could be harvested for two times per year, or three times every two years here.
从开展河南农业高效利用研究的必要性及更合理利用气候资源的角度出发，提出间作套种的三熟制高效农业资源利用模式。
In view of promoting research on high efficiency agriculture development and rational utilization of resources, a triple harvest intercropping model is developed for Henan Province.
从开展河南农业高效利用研究的必要性及更合理利用气候资源的角度出发，提出间作套种的三熟制高效农业资源利用模式。
In view of promoting research on high efficiency agriculture development and rational utilization of resources, a triple harvest intercropping model is developed for Henan Province.
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