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- W2353830664 abstract "A field experiment was carried on to evaluate the effects of Organic farming,Safety,Environment and Quality farming(SEQ),Special farming and Conventional farming systems on soil nutrients and soil biological characteristics,with celery,lettuce,carrot and broccoli as test crops.Soil organic matter,total nitrogen,available nitrogen,available phosphorus,available potassium,microbial biomass carbon and enzymatic activities(catalase,urease and invertase)were determined in soil taken from different farming systems.Compared with Conventional farming system,Organic,SEQ and Special farming systems resulted in significant increases in soil organic matter,total nitrogen,available nitrogen,available phosphorus and available potassium.Compared with Conventional farming soil,soil microbial biomass carbon in Organic,SEQ and Special farming soil significantly increased by 48.6%,42.9% and 26.6%,respectively,while there was a significant(P0.05)or highly significant(P0.01)difference between Organic,SEQ,Special farming soil and Conventional farming soil.In contrast to Conventional farming soil,soil catalase and urease activities in Organic,SEQ and Special farming soils significantly increased by 17.4% to 38.8%.Especially,soil catalase activitties had reached a significant(P0.05)or highly significant(P0.01)difference between Organic,SEQ,Special farming soil and Conventional farming soil.In addition,Soil invertase activity was slightly higher in Organic,SEQ farming soils than Conventional farming soil,but no differences was found.In short,the effects of Organic,SEQ,Special and Conventional farming system on soil nutrients and soil biological characteristics decreased in the order of OrganicSEQSpecialConventional farming system." @default.
- W2353830664 created "2016-06-24" @default.
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- W2353830664 date "2011-01-01" @default.
- W2353830664 modified "2023-09-25" @default.
- W2353830664 title "Effects of different farming systems on vegetable field soil nutrients and soil biological characteristics" @default.
- W2353830664 hasPublicationYear "2011" @default.
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