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黄壤是贵州省的主要土类。1983年至1985年,我们设置了定位试验,观测不同施肥措施对中低产黄泥田的改土培肥效应和增产效果。
Yellow soil is the main soil in Guizhou Province. From 1983 to 1985, we set up a pilot test to observe the effects of different fertilization measures on improving soil fertility and increasing yield of medium and low yield yellow soil.