Effects of irrigation and nitrogen application rates on nitrate nitrogen distribution and fertilizer nitrogen loss, wheat yield and nitrogen uptake on a recently reclaimed sandy farmland
文献类型：期刊论文
| 作者 | Wang, Qi2,3,4; Li, Fengrui3; Zhao, Lin4; Zhang, Enhe1; Shi, Shangli2; Zhao, Wenzhi3; Song, Weixin5; Vance, Maureen M.6 |
| 刊名 | PLANT AND SOIL
 |
| 出版日期 | 2010-12-01 |
| 卷号 | 337期号:1-2页码:325-339 |
| 关键词 | Irrigation Nitrogen Nitrate nitrogen losses Grain yield Crop nitrogen uptake |
| ISSN号 | 0032-079X |
| DOI | 10.1007/s11104-010-0530-z |
| 通讯作者 | Zhang, Enhe(zhangeh@gsau.edu.cn) |
| 英文摘要 | Monitoring of drinking water has shown an increase in nitrate-nitrogen (NO (3) (-) -N) concentration in groundwater in some areas of the Heihe River Basin, Northwest China. A combination of careful irrigation and nitrogen (N) management is needed to improve N uptake efficiency and to minimize fertilizer N loss. A 2-year experiment investigated the effects of different irrigation and N application rates on soil NO (3) (-) -N distribution and fertilizer N loss, wheat grain yield and N uptake on recently reclaimed sandy farmland. The experiment followed a completely randomized split-plot design, taking flood irrigation (0.6, 0.8 and 1.0 of the estimated evapotranspiration) as main plot treatment and N-supply as split-plot treatment (with five levels of 0, 79, 140, 221, 300 kg N ha(-1)). Fertilizer N loss was calculated according to N balance equation. Our results showed that, under deficit irrigation conditions, N fertilizer application at a rate of 300 kg ha(-1) promoted NO (3) (-) -N concentration in 0-200 cm depth soil profiles, and treatments with 221 kg N ha(-1) also increased soil NO (3) (-) -N concentrations only in the surface layers. Fertilizer N rates of 70 and 140 kg ha(-1) did not increase NO (3) (-) -N concentration in the 0-200 cm soil profile remaining after the spring wheat growing season. The amount of residual NO (3) (-) -N in soil profiles decreased with the amount of irrigation. Compared with N(0), the increases of fertilizer N loss, in N(79), N(140), N(221) and N(300) respectively, were 59.9, 104.6, 143.5 and 210.6 kg ha(-1) over 2 years. Under these experimental conditions, a N rate of 221 kg ha(-1) obtained the highest values of grain yield (2775 kg ha(-1)), above-ground dry matter (5310 kg ha(-1)) and plant N uptake (103.8 kg ha(-1)) over 2 years. The results clearly showed that the relative high grain yield and irrigation water productivity, and relative low N loss were achieved with application of 221 kg N ha(-1) and low irrigation, the recommendation should be for those farmers who use the upper range of the recommended 150-400 kg N ha(-1), that they can save about 45% of their N and 40% of their irrigation water application. |
| 收录类别 | SCI |
| WOS关键词 | SOUTHEASTERN COASTAL-PLAIN ; MAIZE CROPPING SYSTEM ; NORTH CHINA PLAIN ; WINTER-WHEAT ; SOIL NITRATE ; GRAIN-YIELD ; N FERTILIZATION ; RIVER-BASIN ; WATER-USE ; CORN |
| WOS研究方向 | Agriculture ; Plant Sciences |
| WOS类目 | Agronomy ; Plant Sciences ; Soil Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000284159900024 |
| 出版者 | SPRINGER |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2556435 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Zhang, Enhe |
| 作者单位 | 1.Gansu Agr Univ, Agron Coll, Lanzhou 730070, Gansu, Peoples R China 2.Gansu Agr Univ, Coll Grassland Sci, Lanzhou 730070, Gansu, Peoples R China 3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Linze Inland River Basin Res Stn, Lanzhou 73000, Gansu, Peoples R China 4.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Cryosphere Res Stn Qinghai Xizang Plateau, Lanzhou 73000, Gansu, Peoples R China 5.Gansu Agr Univ, Coll Sci, Lanzhou 730070, Gansu, Peoples R China 6.Adult Reading Assistance Scheme, Christchurch, New Zealand |
| 推荐引用方式 GB/T 7714 | Wang, Qi,Li, Fengrui,Zhao, Lin,et al. Effects of irrigation and nitrogen application rates on nitrate nitrogen distribution and fertilizer nitrogen loss, wheat yield and nitrogen uptake on a recently reclaimed sandy farmland[J]. PLANT AND SOIL,2010,337(1-2):325-339. |
| APA | Wang, Qi.,Li, Fengrui.,Zhao, Lin.,Zhang, Enhe.,Shi, Shangli.,...&Vance, Maureen M..(2010).Effects of irrigation and nitrogen application rates on nitrate nitrogen distribution and fertilizer nitrogen loss, wheat yield and nitrogen uptake on a recently reclaimed sandy farmland.PLANT AND SOIL,337(1-2),325-339. |
| MLA | Wang, Qi,et al."Effects of irrigation and nitrogen application rates on nitrate nitrogen distribution and fertilizer nitrogen loss, wheat yield and nitrogen uptake on a recently reclaimed sandy farmland".PLANT AND SOIL 337.1-2(2010):325-339. |
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来源：寒区旱区环境与工程研究所
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