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大豆是我省种植面积最大的作物 ,大豆产量的高低直接关系到农民的收入 ,而干旱是影响大豆产量的主要限制因素 ,黑龙江省气象科学研究所研究指出 ,干旱和半干旱区占全省 1 6个农业气候地区5 0 % ,干旱和半干旱地区大豆种植面积占全省大豆种植面积的 60 %。所以 ,保护土壤水分是
Soybean is the largest planting area in our province. The level of soybean yield is directly related to the income of farmers. Drought is the main limiting factor of soybean yield. According to the research of Heilongjiang Institute of Meteorological Sciences, the arid and semi-arid areas account for 1 50% in 6 agro-climatic regions, 60% of the soybean acreage in the arid and semi-arid regions. Therefore, the protection of soil moisture is