Cold spring paddy soils are the low yielded soils with puddling soil layer formed under strongly reducing condition induced by persistent submergence. Experiment results showed that low ing the ground-water level by deep ditch drainage and controlling the rice disease by applying potassium fertilizer are the effective measures for the improvement of the soils.
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林增泉,徐朋,彭加桂,郑仲登,范起涛.冷浸田类型与改良研究[J].土壤学报,1986,23(2):157-162. Lin Zengquan, Xu Peng, Peng Jiagui, Zheng Zhongdeng, Fan Qitao. STUDY ON THE TYPES AND AMELIORATION OF COLD SPRING PADDY SOILS[J]. Acta Pedologica Sinica,1986,23(2):157-162.