A field experiment, with five treatments of application of biological manure fertilizer mixed with chemical fertilizers of different percentages: 0%（CK）, 25%, 50%, 75% and 100%, respectively, was successively conducted from 2009-2012 to investigate the effects of application of the biological manure fertilizer (swine litter in the microbial fermentation bed) on ameliorating acidity of tea garden soil. Results showed that, compared with CK, the soil organic carbon, soil pH, the total amount of base cations, and the base saturation percentage increased by 3.00%-22.74%, 0.22-0.72 unit, 39.29%-248.21% and 43.90%-254.21% in biological manure fertilizer treatments, respectively, while the soil exchangeable acid decreased by 16.01%-73.64% on the 0-20βcm layer of the soils. Meanwhile, the soil organic carbon, soil pH, the total amount of base cations, and the base saturation percentage increased by 0.99%-11.48%, 0.14-0.59 unit, 46.03%-301.59%, and 51.79%-252.95%, respectively in biological manure fertilizer treatments, while the soil exchangeable acid decreased by 8.75%-32.15% on the 20-40βcm layer of the soils. It is concluded that biological manure application could effectively decrease acidity of tea garden soil. Moreover the effects increased with the higher biological manure fertilizer application rate. The reason of biological manure fertilizer application in ameliorating acidity of tea garden soil was that its application could increase the total base cations and the base saturation percentage of acid soil as well as simultaneously decreased the soil exchangeable acid.
WU Zhidan
,
JIANG Fuying
,
YOU Zhiming
,
WANG Feng
,
ZHANG Lei
,
WENG Boqi
. Effects of Biological Manure Fertilizer Application on Ameliorating Acidity of Tea Garden Soil[J]. Journal of Tea Science, 2015
, 35(2)
: 196
-202
.
DOI: 10.13305/j.cnki.jts.2015.02.014
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