Coupled simulation on soil-water-nitrogen transport and transformation and crop growth

被引：0
|
作者：
Wang X. [1 ,2 ]
Huang G. [1 ,3 ]
Yu L. [1 ,3 ]
Huang Q. [1 ,3 ]
机构：
[1] Department of Irrigation and Drainage, College of Water Conservancy and Civil Engineering, China Agricultural University
[2] Institute of Soil Science, Chinese Academy of Sciences
[3] Chinese-Israeli International Center for Research and Training in Agriculture, China Agricultural University
来源：
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | 2011年 / 27卷 / 03期
关键词：
Crop growth; Models; Nitrogen; Soil-crop system; Transformation; Transportation; Winter wheat;
D O I：
10.3969/j.issn.1002-6819.2011.03.004
中图分类号：
学科分类号：
摘要：
Quantitative description of the soil-water-nitrogen transport and transformation in soil-crop system is very important to the high efficient use of water and nitrogen resources and protection of water and soil environment. A coupling model was developed to simulate the soil-water-nitrogen transport and transformation and crop growth based on the dynamic processes of soil water, heat and solute transport and transformation, and with considering the variation of meteorological factors and the dynamics of soil water and nitrogen and their impact on crop growth. The data sets of 2007-2008 field experiments for winter wheat with different irrigation depth were used to validate the soil-water-nitrogen transport and transformation with crop growth simulation model. The results indicated that the simulated values of soil water content, soil nitrate concentration, grain yield, biomass and evapotranspiration were in good agreement with the observed values. The model can be used to simulate the dynamics of soil water and nitrogen change pattern and crop growing pattern for different crop species under different water and nitrogen management practices, and thus the optimal water and fertilizer management pattern for farmland can be obtained.
引用
收藏
页码：19 / 25
页数：6
相关论文
共 23 条
  • [11] Belmans C., Wesseling J.C., Feddes R.A., Simulation model of the water balance of a cropped soil: SWATRE, Journal of Hydrology, 63, 3-4, pp. 271-286, (1983)
  • [12] Feng S., Simulation of Nitrogen Transport and Transformation in Soil-Water-Plant System, (1995)
  • [13] Bear J., Wang F.L., Shaviv A., An N-dynamics model for predicting N-behavior subject to environmentally friendly fertilization practices: I-Mathematical Model, Transport in Porous Media, 31, 3, pp. 249-274, (1998)
  • [14] Wang F.L., Bear J., Shaviv A., An N-dynamics model for predicting N-behavior subject to environmentally friendly fertilization practices: II-Numerical Model and Model Validation, Transport in Porous Media, 33, 3, pp. 309-324, (1998)
  • [15] Stanford G., Smith S.J., Nitrogen mineralization potential of soil, Soil Science Society of America, 36, pp. 465-472, (1972)
  • [16] Hadas A., Feigenbaum S., Feigin A., Et al., Nitrification rates in profiles of differently managed soil types, Soil Science Society of America, 50, pp. 633-639, (1986)
  • [17] Hunt H.W., A simulation model for decomposition in grasslands, Ecology, 58, 3, pp. 469-484, (1977)
  • [18] Kafkafi U., Bar-Yosef B., Hadas A., Fertilization decision model-A synthesis of soil and plant parameters in a computerized program, Soil Science, 125, 4, pp. 261-268, (1977)
  • [19] Wang Y., Water, Heat transfer and crop growth simulation in SPAC with water and nutrient stress, (2004)
  • [20] Tanji K.K., Mehran M., Gupta S.K., Water and nitrogen fluxes in the root zone of irrigated maize, Simulation of Nitrogen Behavior of Soil-Plant Systems, pp. 51-67, (1981)
123