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[油茶苗]锯末基质堆腐及其对油茶苗生长的影响

发布时间:2021-01-18来源:全冠香樟树

A study on the influence of adding different microbial agents to the sawdust composting was conducted, and the effect of sawdust composting on Camellia oleifera seedlings was tested. The results showed that the sawdust could be tho- roughly decomposed after 37 days of fermentation. Carbamide, manure and microbial agent influenced the temperature, pH, EC and E4/E6( the ratio of absorbency at 465 nm with 665 nm) obviously and promoted sawdust compost effectively.The carbon nitrogen ratio reduced after thorough decomposition, especially fermentation bacteria 1 exerted the most obvious effect on C/N, it decreased the carbon nitrogen ratio to below 20. The composting effect of fer-mentation bacteria 1 was better than that of the fermentation bacteria 2, but their difference was small, and the growth of C. oleifera seedlings of A2 group( including sawdust 80 kg + corbamide 1.5 kg + fowl manure 2 kg + rice bran 1 kg + fermenta- tion bacteria type 1 0.6 g) was better than others. So it could be concluded that carbamide and manure were good nitrogen source and fermentation bacteria 1 was good microbe in sawdust composting, and it met the requirements of seedling rai- sing.

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