调亏灌溉下新型土壤改良剂与氮肥配施对冬小麦水氮利用率的影响
杜红霞 ; 冯浩 ; 吴普特 ; 王百群
刊名西北农林科技大学学报(自然科学版)
2013
卷号41期号:02页码:137-08
关键词调亏灌溉 regulated deficit irrigation 新型土壤改良剂 soil conditioner 冬小麦 winter wheat 氮肥 nitrogen fertilizer 水氮利用率 water-nitrogen
其他题名Influence of new soil conditioner and nitrogen fertilizer on water-nitrogen
中文摘要通过对冬小麦施用一种以农作物秸秆为主要原料研制的新型土壤改良剂,探讨调亏灌溉下该改良剂与氮肥配施对冬小麦产量及土壤水氮利用率的影响。【方法】以冬小麦"西农979"为试验材料,采用田间小区试验,对灌水(灌水量分别为0,1.467m3/hm2)、新型土壤改良剂(施入量分别为0,1 500kg/hm2)和氮肥(纯氮施入量分别为0,160,288kg/hm2)3个因素不同水平进行完全随机组合设计,共12个处理,研究亏灌条件下,新型土壤改良剂和氮肥配施后,成熟期冬小麦产量、土壤水分及氮素利用率的变化情况。【结果】新型土壤改良剂和氮肥单施或配施均能改善成熟期冬小麦土壤水分条件,提高土壤含水量、水分利用率及籽粒产量,且灌水条件下效果更为明显。新型土壤改良剂和氮肥配施不仅明显增加了0~200cm土层土壤硝态氮含量,而且有利于提高植株氮素吸收量。无论灌水与否,1 500kg/hm2新型土壤改良剂和288kg/hm2氮肥配施的增产效果最明显,水分利用效率、植株氮素吸收量均较高。【结论】适度亏灌条件下,新型土壤改良剂与氮肥配施可显著提高作物产量及水氮利用率。
英文摘要This experiment aimed to study the influence of new soil conditioner(main material
 was straws)and nitrogen fertilizer applied in winter wheat field on wheat yield and water-nitrogen
use efficiency under regulated deficit irrigation.【Method】This experiment was carried out with winter
wheat“Xinong 979”cultivar as material and used field plot and microplot.Under regulated deficit Irrigation(
non-irrigating,irrigating 1.467 m3/hm2),different levels of the new soil conditioner (0,1 500
kg/hm2)and N fertilizer(pure nitrogen:0,160,288kg/hm2)were used to wheat field.This experiment
had 12treatments,in order to study the influence of coupling new soil conditioner and nitrogen fertilizerapplication on yield of winter wheat,soil water and nitrogen use efficiency in harvest period under regulated
deficit irrigation.【Result】The results showed that the use of new soil conditioner and N fertilizer can improve
 the soil water in harvest period of winter wheat and enhance soil water content,water used efficiency
and grain yield.Moreover,the effects were more remarkable with irrigation.Applying new soil conditioner
combined with N fertilizer not only can enhance soil NO-
3 -N concentration obviously in 0-200cm soil
depth,but also improve nitrogen uptake.The yield,water used efficiency and nitrogen uptake were clearly
higher when applying 1 500kg/hm2 soil conditioner combined with 288kg/hm2 N fertilizer nevertheless irrigation
 or not.【Conclusion】With the moderate deficit irrigation,coupling of soil conditioner and appropriate
 amount of N fertilizer significantly increased yield and wheat water-nitrogen use efficiency.
语种中文
公开日期2014-10-21
内容类型期刊论文
源URL[http://ir.iswc.ac.cn/handle/361005/5586]  
专题水土保持研究所_水保所知识产出(1956-2013)
推荐引用方式
GB/T 7714
杜红霞,冯浩,吴普特,等. 调亏灌溉下新型土壤改良剂与氮肥配施对冬小麦水氮利用率的影响[J]. 西北农林科技大学学报(自然科学版),2013,41(02):137-08.
APA 杜红霞,冯浩,吴普特,&王百群.(2013).调亏灌溉下新型土壤改良剂与氮肥配施对冬小麦水氮利用率的影响.西北农林科技大学学报(自然科学版),41(02),137-08.
MLA 杜红霞,et al."调亏灌溉下新型土壤改良剂与氮肥配施对冬小麦水氮利用率的影响".西北农林科技大学学报(自然科学版) 41.02(2013):137-08.
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