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Influences of Applying Black Carbon and Sheep Excrement on Soil Properties and Yield of Korla Fragrant Pear Orchard
Author(s): DING Kuo, WANG Xue-mei, CHEN Bo-lang, CHAI Zhong-ping, LIU Mao, LUO Xiang
Pages: 449-
455
Year: 2015
Issue:
5
Journal: Agro-Environment and Development
Keyword: Korla fragrant pear; black carbon; sheep excrement; organic matter; available nutrients; yield;
Abstract: In order to master the application effects of black carbon and sheep excrement in production of Korla fragrant pear, the regulatory trials were carried out by applying chemical fertilizers with black carbon and sheep excrement in field, to study the effects on soil properties and yield of Korla fragrant pear orchard. The results showed that compared with the treatment with non-applying black carbon and sheep ex-crement (CK), applying black carbon and sheep excrement could effectively change the composition of soil particles, improve soil physical properties, increase contents of soil organic matter and available nutrients, and promote production of orchard. The effect of treatment with applying 27 000 kg·hm-2 black carbon and sheep excrement was more remarkable, the treatment with applying 27 000 kg·hm-2 black carbon was more significant to increase contents of soil organic matter and improve soil physical properties, while the treatment with applying 27 000 kg·hm-2 sheep excrement was more significant to increase contents of soil alkaline hydrolysis N, available phosphorus, available potassium and yield of Korla fragrant pear.
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