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- Title
The Changing Characteristics of Profile Distribution of Organic Nitrogen Components in Apple-pear Orchard Soil.
- Authors
Huan LIU; Qian GAO; Shiyuan LIU; Jie LI; Yu WANG; Jicheng HAN; Yong GUO
- Abstract
In order to evaluate the effects of soil depth on the contents of soil organic nitrogen, organic nitrogen forms in apple-pear orchard soil profile were quantified using the method proposed by Bremner in 1965. The results indicated that in addition to the amino sugar-N, all the soil organic N components within the same soil layer in wasteland were more than those in apple-pear orchard soil; with the layer depth increasing, the contents of different organic nitrogen forms in apple-pear orchard soil and wasteland were decreased; and the proportion of each organic N component within total hydrolysable N was different, and the percentages of ammonia N and amino acid-N components within total hydrolysable N were higher, especially the percentage of ammonia N components within total hydrolysable N was the highest.
- Subjects
NITROGEN in soils; ORCHARDS; SOIL depth; SOILS; SOIL profiles; NITROGEN
- Publication
Agricultural Biotechnology (2164-4993), 2021, Vol 10, Issue 4, p130
- ISSN
2164-4993
- Publication type
Article