| 孙利宁,谷洁,高华,张社奇,陈胜男,陈强龙,甄丽莎.小麦秸秆静态高温堆腐过程中的理化特征[J].干旱地区农业研究,2009,27(5):156~160 |
| 小麦秸秆静态高温堆腐过程中的理化特征 |
| Biochemical characteristics of wheat straw during composting at high-temperature and static state |
| |
| DOI：10.7606/j.issn.1000-7601.2009.05.29 |
| 中文关键词: 小麦秸秆 高温堆腐 E4/E6值 pH值 EC值 |
| 英文关键词:straw high-temperature composting temperature E4/E6 pH EC |
| 基金项目:国家自然科学基金(40771109)； 科技部农转资金(2007GB000394)； 国家科技支撑计划基金(2007BAD89B16,2006BAD17B01-01) |
|
| 摘要点击次数: 169 |
| 全文下载次数: 134 |
| 中文摘要: |
| 为了解小麦秸秆堆肥过程中的生物化学特征,进行了高温好氧堆肥试验。结果表明,添加复合微生物腐解菌剂处理较不添加复合微生物腐解菌剂(CK)升温快,温度高,高温持续时间长;堆腐第2d添加菌剂处理堆体温度上升到50℃以上,第3 d达到最高温度67.1℃,50℃以上持续6 d;CK堆腐第3 d达到50℃,第4 d达最高温度59.5℃,50℃以上持续5 d。堆腐第9 d添加菌剂处理E4/E6值达高峰值3.419,CK的达高峰值4.085,堆腐第23 d后添加菌剂处理的胡敏酸E4/E6值为1.5121.709,而CK处理的E4/E6值为1.649~2.060,堆腐过程添加菌剂处理的E4/E6值一直低于CK,表明添加菌剂能促进腐殖质的缩合和芳构化。堆肥腐熟后pH值较堆制前有所提高,添加菌剂处理的pH值相对较低,变化幅度较小。加入微生物菌剂处理的电导率(EC)值较高,且在持续高温阶段高于后熟阶段。 |
| 英文摘要: |
| An experiment was conducted to study the biochemical characteristics of wheat straw during its composting at high-temperature and static state.There were two treatments in this experiment, one was with adding microorganism agent, and the other was without adding microorganism agent (CK) . The results indicated that the treatment of adding microorganism agent had faster temperature rising, higher temperature and longer high temperature duration than CK;The E4/E6 values increased in the initial stage but decreased thereafter, the E4/E6 values of materials of adding microorganism fungus were 1.512～1.709, and the E4/E6 values of materials of CK were 1.649～2.060 after 23 d, which indicated that microorganism fungus could promote processing humus;It has been discovered that pH values increased after composting while the rate of conductance decreased. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| | |