ZHEN Li-sha,GU Jie,GAO Hua,et al.Changes of Soil Hydrolase Activities Under Corn Straws and Fertilizer[J].Research of Soil and Water Conservation,2009,16(02):257-261.
土壤水解类酶活性在玉米秸秆与肥料配合施用下的变化
- Title:
- Changes of Soil Hydrolase Activities Under Corn Straws and Fertilizer
- 分类号:
- S154.2;S141.4
- 摘要:
- 通过田间试验,进行了玉米秸秆与厩肥、N肥和P肥配合施入农田后土壤中水解类酶活性变化的研究.结果表明:在小麦生长期内,秸秆配合氮磷肥处理的蔗糖酶活性最高60.09±2.74mgGLU/(g·24h),比对照处理高出28.09±1.79%,脲酶也以秸秆配合氮磷肥处理最高2.86±0.10mgNH3-N/(g·24h),是对照处理的1.04±0.03倍,秸秆配合氮肥处理的碱性磷酸酶活性最高4.01±0.05mg酚/(g·24h),比对照高出0.28±0.05mg酚/(g·24h),秸秆还田处理的3种酶活性都高于对照,配合施用的有机肥和氮磷肥则在小麦的不同生长期、不同酶活性间表现出不同的作用.脲酶活性与蔗糖酶活性、土壤温度都呈极显著相关,蔗糖酶活性、碱性磷酸酶和土壤温度之间相关性不显著.
- Abstract:
- To investigate the changes of soil hydrolase activities under application of corn straws with manure,N and P fertilizer,a field experiment was conducted.The results showed that in corn growing stage,invertase activity in the SNP treatment was 60.09± 2.74 mg GLU/(g·24 h),which was 28.09±1.79% higher than the control treatment,urease activity in the SNP treatment was 2.86±0.10 mg NH3-N/(g·24 h),which was 1.04±0.03 times higher compared to the control treatment,alkaline phosphatase activity in the SN treatment was 4.01±0.05 mg phenol /(g·24 h),which was higher than the control treatment by 0.28±0.05 mg phenol /(g·24 h),there kinds of soil hydrolase activities in the straws returning treatments were higher than the control treatment,the manure fertilizer and N,P fertilizer combined application play different roles in different growing stages and different soil hydrolases.Significant correlation was found between the uraese activity and the invertase activity,soil temperature,but not among the invertase activity,alkaline phosphatase activity and soil temperature.
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备注/Memo
收稿日期:2008-11-28;改回日期:。
基金项目:国家自然科学基金(40771109);科技部农转资金(2007GB2G000394);国家科技支撑计划(2007BAD89B16,2006BAD17B01-01)
作者简介:甄丽莎(1983- ),女,山西太原人,硕士研究生,主要研究方向废弃物资源化利用.E-mail:zhenlisha2002@163.com
通讯作者:高华(1957- ),陕西咸阳人,高级农艺师,主要从事农业废弃物的肥料化应用.E-mail:gujoyer@si