A study on the characters of water retention, hydroconductibility, capillary rise and evaporation of calcic concretion black soil and their relationship with soil drought was carried out. The results obtained are summarized as follows.
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孙怀文.砂姜黑土的水分特性及其与土壤易旱的关系[J].土壤学报,1993,30(4):423-431. Sun Huaiwen. MOISTURE CHARACTERS OF CALCIC CONCRETION BLACK SOIL AND THEIR RELATIONSHIP WITH SOIL DROUGHT[J]. Acta Pedologica Sinica,1993,30(4):423-431.