干旱区生态环境知识资源中心(Arid): Efficiency of Mineral Nitrogen Fertilization in Winter Wheat under Pannonian Climate Conditions

Arid

DOI	10.3390/agriculture10110541
	Efficiency of Mineral Nitrogen Fertilization in Winter Wheat under Pannonian Climate Conditions
	Moitzi, Gerhard; Neugschwandtner, Reinhard W.; Kaul, Hans-Peter; Wagentristl, Helmut
通讯作者	Moitzi, G
来源期刊	AGRICULTURE-BASEL
EISSN	2077-0472
出版年	2020
卷号	10 期号:11
英文摘要	Improvements in nitrogen (N) use efficiency in crop production are important for addressing the triple challenges of food security, environmental degradation and climate change. The three fertilizers, calcium ammonium nitrate (CAN), urea (Urea) and stabilized urea (Urea(stab)), were applied at a rate of 160 kg N ha(-1) with two or three splits to winter wheat (Triticum aestivum L.) in the Pannonian climate region of eastern Austria. On average, over all fertilization treatments, the grain yield (GY) increased by about a quarter and the grain N concentration (GNC) doubled compared to the control without fertilization. Consequently, the grain N yield (NYGRAIN) was increased with N fertilization by 154%. The GY increased due to a higher grain density with no differences between N fertilizers but with a tendency of a higher grain yield with three compared to two splits. Three splits also slightly increased the GNC and consequently the NYGRAIN of CAN and Urea(stab) in one year. The removal of N fertilizer with the NYGRAIN (N surplus) was higher than the amount of applied fertilizer. Fertilization decreased the N use efficiency (NUE), the N uptake efficiency (NUpE) and the N utilization efficiency (NUtE) but increased the soil mineral nitrate (NO3-N) at harvest and the apparent N loss (ANL). Three compared to two applications resulted in a higher NO3-N at harvest but also a lower N surplus due to partly higher NYGRAIN. Consequently, the ANL was lower with three compared to two splits. Also, the NUpE and the apparent N recovery efficiency (ANRE) were higher with three splits. The best N treatment regarding highest above-ground biomass yield with lowest N surplus, N balance and ANL was the three-split treatment (50 CAN, 50 CAN, 60 liquid urea ammonium nitrate). Three splits can, under semi-arid conditions, be beneficial when aiming high-quality wheat for bread-making and also for reducing the N loss. Whereas, two splits are recommended when aiming only at high GY, e.g., for ethanol-wheat production.
英文关键词	winter wheat mineral N fertilizer N splitting crop yield N yield apparent N loss N use efficiency
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000592327400001
WOS关键词	N UPTAKE ; AGRICULTURAL MEASURES ; PRODUCTION SYSTEM ; BARLEY-TYPES ; YIELD ; PEA ; OAT ; MANAGEMENT ; CHICKPEA ; GROWTH
WOS类目	Agronomy
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327637
作者单位	[Moitzi, Gerhard; Wagentristl, Helmut] Univ Nat Resources & Life Sci, Dept Crop Sci, Vienna BOKU, Expt Farm Gross Enzersdorf, Schlosshofer Str 31, A-2301 Gross Enzersdorf, Austria; [Neugschwandtner, Reinhard W.; Kaul, Hans-Peter] Univ Nat Resources & Life Sci, Inst Agron, Dept Crop Sci, Vienna BOKU, Konrad Lorenz Str 24, A-3430 Tulln An Der Donau, Austria
推荐引用方式 GB/T 7714	Moitzi, Gerhard,Neugschwandtner, Reinhard W.,Kaul, Hans-Peter,et al. Efficiency of Mineral Nitrogen Fertilization in Winter Wheat under Pannonian Climate Conditions[J],2020,10(11).
APA	Moitzi, Gerhard,Neugschwandtner, Reinhard W.,Kaul, Hans-Peter,&Wagentristl, Helmut.(2020).Efficiency of Mineral Nitrogen Fertilization in Winter Wheat under Pannonian Climate Conditions.AGRICULTURE-BASEL,10(11).
MLA	Moitzi, Gerhard,et al."Efficiency of Mineral Nitrogen Fertilization in Winter Wheat under Pannonian Climate Conditions".AGRICULTURE-BASEL 10.11(2020).