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鸭屎泥田,分布于湖南丘陵低洼地区,面积很广,系低产水稻土主要类型之一.该土壤氧化钙含量高,速效养分不足.据分析,全量氮为0.26%,全量磷为0.083%,有机质为4.02%,氧化钙为4.36%,铵态氮为3.4ppm,速效磷为3ppm.特别是速效磷不足,使禾苗严重地发秋,而生育不良,一般亩产稻谷200来斤,甚至有些颗粒无收.群众反映:“一年于冬,三年落空”.唯有浸水过冬,还能获得较稳定的产量,一般亩产稻谷300来斤,故称低产田.
The duck feces muddy field is distributed in the hilly lowland area of Hunan Province and covers a wide area and is one of the main types of low-yield paddy soil.The content of calcium oxide in the soil is high and the available nutrient is insufficient.According to the analysis, the total nitrogen is 0.26%, the total phosphorus is 0.083% Organic matter is 4.02%, calcium oxide is 4.36%, ammonium nitrogen is 3.4ppm, available phosphorus is 3ppm.Partially available phosphorus deficiency, so that the grasses are serious in autumn, and poor fertility, the general yield of rice 200 pounds, and even some The particles have no income.The masses reflect: “One year in winter, three years lost.” Only the winter flooding, but also to obtain a more stable yield, generally 300 kilograms of rice per mu, it is said that the low yield field.