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Position: Home > Articles > TYPES AND IMPROVEMERT OF INFERTILE SOUTHWEST REGION OF CHINA Southwest China Journal of Agricultural Sciences 1993 (1) 39-46

试论西南地区中低产田土的主要类型和改造对策

作  者:
叶惠明
单  位:
云南省农业科学院
关键词:
土壤改良;中低产田土;类型;改造对策;西南地区
摘  要:
西南三省(川、云、贵)中低产田土主要有红、黄壤,中低产水稻土和坡薄土三种类型。红黄壤类型中在云南主要有山原红壤,在四川或贵州主要是山地黄壤。西南地区中低产水稻土主要是潜育型、淹育型和渗育型水稻土。而潜育型水稻土多属高产田。坡薄土应包括紫色土、石灰岩土和粗骨土三种。本文对各类中低产田土的成土过程、低产因素进行系统阐述,并提出了相应的改造对策。
译  名:
TYPES AND IMPROVEMERT OF INFERTILE SOUTHWEST REGION OF CHINA
作  者:
Ye Huimn Yunnan Academy of Agricultural Sciences Kumming 650205)
关键词:
Infertile soil Soil type Lmprovement Southwest China.
摘  要:
There are three types of infertile soil in southwest of China, inclduding red and yellow earth, infertile paddy soil and steep thin soil. Red and yellow earth in Yunnan provine are red earth chiefly and in Guizhou or Sichuan provine are mountain yellow soil chiefly. Infertile paddy soil in this region including gleyed, submergic and percoganic paddy soil.but for hydromorphic paddy soil, it often has highand stable productivity. The steep and thin soil including purple brown, limestone and mountain coarse sand soil. Different infertile soil, having different plant growth limiting factorswhich are produced from variable soilforming condition. The improvement of these soils must take apropriate measures to counter various barriers, also.

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