论文部分内容阅读
我区平原农业区早熟冬麦收获至冬麦适时播种期下限,有2400℃左右的活动积温和100多天的高温生长期,此时正是各条河流的丰水期。为了充分利用农业气候资源,目前在地区范围内,大力推广以复播玉米为主的两熟配套栽培技术。但是,若没有足够的肥力补充,就可能出现土地肥力下降,地力得不到恢复的恶性循环。
My district plain agricultural area precocious winter wheat harvest to the winter wheat timely sowing time limit, there are about 2400 ℃ active accumulated temperature and 100 days of high temperature growth period, this time is the wet period of each river. In order to make full use of agro-climatic resources, at present, within the region, the two-cropping cultivation technique mainly based on double sowing corn is vigorously promoted. However, if there is not enough fertility supplement, there may be a vicious cycle of decline in soil fertility and failure to restore fertility.