干旱区生态环境知识资源中心(Arid): 耕作措施与施氮量对旱作玉米产量及土壤水氮利用效率的影响

Arid

	耕作措施与施氮量对旱作玉米产量及土壤水氮利用效率的影响
其他题名	Effects of Tillage Measures and Nitrogen Fertilizer Application on Yield and Soil Water and Nitroge Use Efficiency of Dryland Maize
	李景润; 谢军红; 李玲玲; 王林林; 周永杰; 王进斌; 陈倩
来源期刊	西北农业学报
ISSN	1004-1389
出版年	2021
卷号	30 期号:7 页码:1000-1009
中文摘要	于2018 2019年依托甘肃农业大学旱作综合试验站2012年建立的长期定位试验,研究4种耕作措施[翻耕(T1)、旋耕(T2)、深松耕(T3)与免耕(T4)]和2个施氮水平[基施纯氮200 kg · hm~(-2)(N2)、基施纯氮200 kg· hm~(-2)+拔节期纯氮100 kg · hm~(-2)(N3)]下土壤水分的时空动态、耗水量、产量及水氮资源利用效率。结果表明:在黄土高原半干旱区,200 kg · hm~(-2)施氮水平下,与翻耕和旋耕相比,深松耕与免耕能显著提高玉米花后土壤贮水量和含水量,同时,两个处理的水氮协同利用较好,其在降低耗水12.8%~20.6%的条件下,产量增加11.5%~16.2%,致使水分利用效率提高28.7%~31.9%,300 kg · hm~(-2)施氮水平未起到增产和提高水分利用效率的作用,反而降低氮肥偏生产力。因此,200 kg· hm~(-2)施氮水平和免耕或深松耕是该区全膜双垄沟播玉米稳产高产和高水分利用效率的施氮水平和耕作措施。
英文摘要	Relying on long-term location test which was conducted at Comprehensive Experiment Station of Dry Farming under Gansu Agricultural University from 2018 to 2019,the temporal and spatial dynamics of water, water consumption, maize yield,the water and nitrogen use efficiency were evaluated by four tillage methods of conventional tillage (T1), rotary tillage (T2),subsoiling tillage (T3), and no-tillage(T4),and under two nitrogen levels of 200 kg · hm~(-2)(N2) and 300 kg · hm~(-2)(N3),The results indicated that the subsoiling tillage and no-tillage significantly improved soil water conservation and soil water content after maize was matured compared to conventional tillage and rotary tillage at a nitrogen application level of 200 kg · hm~(-2). Additionally, the two treatments had a stronger synergistic efficiency, and the yield increased by 11.5% -16.2% by 12.8% -20.6% under the condition of reducing water consumption, resulting in the increase of water usage efficiency of maize by 28.7% - 31.9%. The yield was not increased and the water use efficiency was not enhanced under nitrogen application level of 300 kg · hm~(-2),instead,nitrogen partial factor productivity decreased. So the nitrogen application level of 200 kg · hm~(-2) and no-tillage or subsoiling tillage are the key agronomic measures for stable and high yield as well as high water use efficiency in maize production under plastic-covered ridge and furrow planting in the Loess Plateau.
中文关键词	黄土高原半干旱区 ; 全膜双垄沟播 ; 玉米 ; 产量 ; 水氮利用效率
英文关键词	Semi-arid region in Loess Plateau Plastic-covered ridge and furrow planting Maize Yield Water and nitrogen use efficiency
类型	Article
语种	中文
收录类别	CSCD
WOS类目	Agriculture
CSCD记录号	CSCD:7030014
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377991
作者单位	李景润, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 谢军红, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 李玲玲, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 王林林, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 周永杰, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 王进斌, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.; 陈倩, 甘肃省干旱生境作物学重点实验室;;甘肃农业大学农学院, 甘肃省干旱生境作物学重点实验室;;, 兰州;;兰州, ;; 730070;;730070.
推荐引用方式 GB/T 7714	李景润,谢军红,李玲玲,等. 耕作措施与施氮量对旱作玉米产量及土壤水氮利用效率的影响[J],2021,30(7):1000-1009.
APA	李景润.,谢军红.,李玲玲.,王林林.,周永杰.,...&陈倩.(2021).耕作措施与施氮量对旱作玉米产量及土壤水氮利用效率的影响.西北农业学报,30(7),1000-1009.
MLA	李景润,et al."耕作措施与施氮量对旱作玉米产量及土壤水氮利用效率的影响".西北农业学报 30.7(2021):1000-1009.