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通过对平地缩块的田间工程节水改造 ,不同畦块大小、灌溉用水量、灌水均匀度、作物产量的测试 ,分析不同大小畦块节水、增产、增收的效果
Through the water-saving transformation of the field works of shrinking block, the different sizes of block, irrigation water, irrigation uniformity, crop yield test, the effect of saving water, increasing yield and increasing income of different sizes of block