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西北干燥地区的稻田分布很星散,面积和产量占全国总面积和总产量的比重也很小(约占0.3%)。但在水利条件具备的情况下,本地区的自然因素对水稻生育的影响是特别值得注意的;解放后很快即出现亩产千斤以上的高产记录。可是全区的平均产量至今仍相当低,究竟低产的原因何在,水稻科学工
The distribution of paddy fields in the dry areas of the northwest is very scattered, and the proportion of area and output in the total area and total output of the country is also small (about 0.3%). However, under the conditions of water conservancy, the impact of the natural factors in the region on the growth of rice is particularly noteworthy; the record high yields of over one kilogram per mu soon after the liberation. However, the average output of the entire district is still quite low. What exactly is the reason for low yield? Rice scientists