Effects of adding peat on amelioration of aeolian sandy soil and vegetable growth

Abstract

Abstract: With pot experiment, the effects of adding peat on amelioration of aeolian sandy soil and growth of Chinese cabbage(Brassica pekinensis)were investigated. The peat addition was divided into five treatments: 0%(the control treatment), 2%, 5%, 8% and 10%. The results showed that the physical and chemical properties of aeolian sandy soil were improved after peat addition. Adding peat increased the water holding capacity of sandy soil, decreased the soil pH value, and increased the content of organic matter, total nitrogen, available nitrogen and available phosphorus of soil. Also, it obviously increased the root length and root biomass, plant height growth, and above ground biomass of Chinese cabbage. Among all the treatments, adding 8% peat was the best, root length, root fresh weight, root dry weight, height growth, above ground fresh weight and dry weight increased by 71%, 402%, 464%, 107%, 847%, and 1001% respectively, compared to the control treatment. Meanwhile, adding peat could be advantageous to the accumulation of dry substance and the quality of cabbage.

Key words: Coniferous and broad-leaved mixed forest, Hydrology, Total organic carbon (TOC)

CLC Number:

S141.6

CHEN Fusheng, WANG Guirong, ZHANG Chunxing, ZENG Dehui. Effects of adding peat on amelioration of aeolian sandy soil and vegetable growth[J]. cje, 2003, (4): 16-19.

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