中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 长期施肥对黑垆土氨化细菌数量和氨化作用强度的影响 麦类作物学报 2016,36 (11) 1517-1522
Position: Home > Articles > Effect of Long-Term Fertilization on the Amount of Ammonifier and Ammonification Intensity in the Dark Loessial Soil Journal of Triticeae Crops 2016,36 (11) 1517-1522

长期施肥对黑垆土氨化细菌数量和氨化作用强度的影响

作  者：
蔡艳;郝明德;臧逸飞;何晓雁
单  位：
西北农林科技大学资源环境学院;四川农业大学资源学院
关键词：
长期施肥;小麦连作;苜蓿连作;氨化细菌;氨化作用
摘  要：
为探讨长期施肥下黑垆土氨化作用的变化,在长期定位试验条件下,分析了长期施肥对黑垆土氨化细菌数量和氨化作用强度的影响。结果表明,在小麦连作下,各施肥处理均可不同程度提高土壤中氨化细菌数量和氨化作用强度,其中单施有机肥及有机无机肥配施的效果更明显。在不同施肥处理中,氮磷配施有机肥处理的土壤氨化细菌数量最多(7.53×108个·g~(-1)),是不施肥处理(CK)的189.2倍,氨化作用强度最高(1.49mg·kg~(-1)),较CK增加55.0%;其次为单施有机肥、氮肥配施有机肥和磷肥配施有机肥处理,其氨化细菌数量和氨化作用强度均显著高于CK。在苜蓿连作下,与CK相比,单施磷肥处理的土壤氨化细菌数量和氨化作用强度均明显降低,降幅分别为99.5%和49.7%。因此,黄土高原黑垆土区小麦连作时,长期施用有机肥及有机无机肥配施均可提高土壤有机氮的转化作用,增强其供氮能力;苜蓿连作时,长期单施磷肥可减弱土壤有机氮的转化作用。
译  名：
Effect of Long-Term Fertilization on the Amount of Ammonifier and Ammonification Intensity in the Dark Loessial Soil
作  者：
CAI Yan;HAO Mingde;ZANG Yifei;HE Xiaoyan;College of Resources,Sichuan Agricultural University;College of Natural Resources and Environment,Northwest A&F University;Institute of Soil and Water Conservation,Northwest A&F University;
关键词：
Long-term fertilization;;Continuous cropping of wheat;;Continuous cropping of alfalfa;;Ammonifier;;Ammonification
摘  要：
Soil ammonifier and ammonification intensity has an important significance to soil organic nitrogen conversion and nitrogen supplying capacity.A long-term experiment was conducted to study the effect of long-term fertilization on the amount of ammonifier and the intensity of ammonification in the dark loessial soil.The results show that for the continuous cropping of wheat,all fertilization treatments could increase the amount of soil ammonifier and ammonification in varying degrees,but the impact of organic fertilizer and inorganic fertilizer combined with organic manure were more obvious;under NPM(nitrogen and phosphorus fertilizer with organic fertilizer),soil ammonifying bacteria owned the largest number(7.53×108·g~(-1)),189.2times of CK(no fertilizer);and ammonification intensity of NPM was the highest(1.49 mg·kg~(-1)),which improved 55.0% compared to CK.The quantity of ammonifier and ammonification intensity of M(single organic fertilizer),NM(nitrogen fertilizer with organic fertilizer)and PM(phosphorus fertilizer with organic fertilizer)were all significantly higher than those of CK.For continuous cropping of alfalfa,compared with CK,ammonifier andammonification of P(single phosphorus fertilizer)soil were evidently lower.Ammonifier decreases by99.5%in quantity,and intensity of ammonification dropped by 49.7%.For dark loessial soil in Loess Plateau of wheat successive cropping,the long-term application of organic manure and inorganic fertilizer combined with organic manure could improve soil organic nitrogen transformation,meanwhile enhanced its strength for nitrogen;and for continuous cropping of alfalfa,long-term fertilization of phosphate fertilizer could abate the transformation of soil organic nitrogen.

相似文章

导出引用
计量
文章访问数: 7
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46