About 180 thin sections of various types of paddy soil were examined using a polarizing microscope, and the relationship between the micromorphological features snd the fertility characteristics of soil was studied. Based on the data obtained micro-morphological featnrea are auggeated as the diagnostic criteria for paddy soils.
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曹升賡,金光.水稻土肥力特性的微形态诊断[J].土壤学报,1982,19(4):383-395. Cao Sheng-geng, Jin Guang. MICROMORPHOLOGICAL DIAGNOSIS OF THE FERTILITY CHARACTERISTICS OF PADDY SOILS[J]. Acta Pedologica Sinica,1982,19(4):383-395.