| 白浆土腐殖物质中氮素的组成特征 |
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| 引用本文： | 丁光伟.白浆土腐殖物质中氮素的组成特征[J].沈阳农业大学学报,1995,26(1):49-53. |
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| 作者姓名： | 丁光伟 |
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| 作者单位： | 中国科学院自然资源综合考查委员会 |
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| 摘 要： | 以黑龙江三江平原境内的耕地白浆土为主要研究对象，并与成为复区存在的草甸土和暗棕壤作比较，研究了土壤腐殖物质中不同形态氮素分布和氨基酸组成，结果表明：在ＨＡ，ＦＡ的酸解产物中，ＦＡ所含酸解ＮＨ４＾＋－Ｎ和氨基糖氮均高于ＨＡ，而氨基酸态氮则低于ＨＡ，ＨＡ和ＦＡ在氨基酸组成上差慢不大，主要差别在于前者含有较多的碱性氨基酸，而后者则含有较多的酸性氨基酸。
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| 关 键 词： | 白浆土 氮素分布 氨基酸 腐殖质 |
Characteristics of Nitrogen Distrbution in Humic Substances in Planosols |
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| Ding Guangwei.Characteristics of Nitrogen Distrbution in Humic Substances in Planosols[J].Journal of Shenyang Agricultural University,1995,26(1):49-53. |
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| Authors: | Ding Guangwei |
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| Abstract: | The main results obtained from cultivated planosols in Three-river-plain region of Heilongjiang province showed that the percentages of NH4 -N and aminosugar-N in FA were higher than those in HA, whereas amino-N was lower in HA.However, HA and FA contained the same amino acids found in soil hydrolysates, but with different proportions.In comparison with FA,HA contained relatively highamounts of basic amino acids. |
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| Keywords: | Planosol nitrogen distribution amino acid |
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