amelioration of low productive paddy soils
Characteristics of prehistoric paddy soils
Highly productive paddy soils
Microorganism community of paddy soils
Paddy soil derived from red earth
paddy soil of red earth
paddy soils
水稻田
稻田
红壤水稻土
稻田土壤
红壤性水稻土
水稻土
水稻田原土
Paddy soils in subtropical China
Paddy soils of subtropical China
pollution of paddy soils