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饱墒:又称泥墒,土壤呈暗黑色,手捏有水滴出,土壤全部孔隙的75％以上充水,一般含水量大于20％,水多空气少,氧气不足,需要排水、散墒。 黑墒:又称好墒,土壤呈黑黄色,捏土成团,手上有湿印,扔在地上散成土块,总孔隙的50％以上充水,其含水量约为15～20％,水气适宜,有利作物生长和耕作管理,为适宜播种墒情。 黄墒:又称墒差。土壤呈褐黄色,捏成团,扔后散碎,手有湿印和凉爽感,含水量约在12～15％,含水稍差,可勉强维持作物
Full moisture: also known as soil moisture, the soil was dark black, pinch a drop of water, soil all the pores of more than 75% water, the general water content of more than 20%, less water, less oxygen, need drainage, bulk moisture. Dark soil moisture: also known as good soil moisture, the soil was black and yellow, pinch soil into groups, the hands of wet India, throwing scattered on the ground clods, the total pore water for more than 50% of its water content of about 15 to 20% , Suitable moisture, favorable crop growth and tillage management, suitable for sowing soil moisture. Yellow moisture: also known as poor moisture. Brownish yellow soil, pinched into groups, throwing broken pieces, hand wet and cool feeling, moisture content of about 12 to 15%, slightly less water, can barely maintain the crop