Scientia Silvae Sinicae ›› 1999, Vol. 35 ›› Issue (4): 107-110.
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Guangying Yang
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Abstract:
Permanent sample plots were located in solonchak area in Hetao Plain, Inner Mongolia. The water-salt movement was observed in unfreeze periods during 3 years, and over 400 soil and ground water samples were measured. It is found that the dynamics of salt in soil can be divided into following stages: evaporation-salinization stages in spring and autumn, leaching-desalinization stages in summer(because of rainfall and irrigaiton), and relative stable stages in winter. The fluctuation of ground-water table was closely related to the water amount of irrigation. Mineralization of ground-water and pH value was rather stable. Salt accumulation in the top soil layer of solonchak was existed in experiment area over the years.
Key words: Solonchak, Water-salt movement, Hetao Plain
Guangying Yang. A STUDY ON WATERSALT MOVEMENT OF SOLONCHAK IN HETAO PLAIN, INNER MONGOLIA[J]. Scientia Silvae Sinicae, 1999, 35(4): 107-110.
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Table 1
Variations of salt contents in dif ferent soil layers of 5 observation plots"
Fig.1
Water-salt dynamic of solnchak in Hetao plain, Inner Mongolia Vertical line in the picture expresses precipitation, 2, 3, 5 expresses the observation plots"
