References
- Booltink, H. W. G, G. J. Alphen, W. D. Batchelor, J. O. Paz, J. J. Stoorvogel, and R. Vargas 2001. Tool for optimizing management of spatially variable fields. Agricultural System 70. 445-476 https://doi.org/10.1016/S0308-521X(01)00055-5
- Cahn, M D., J. W. Humel, and B H. Brouer. 1994. Spatial analysis of Soil fertility for site-specific crop management. Soil Sci. Soc. Am J 58: 1240-1248 https://doi.org/10.2136/sssaj1994.03615995005800040035x
- Choi, H. C. 200 I. Achievements and advanced technology of rice production m Korea. In: S K Kwon ed. Rice Culture m Asia. Korean National Committee on Irrigation and Drainage (KNCID). pp. 55-80
- Cox, M. S., P D Gerard, M. C. Wardlaw, and M. J. Abshire. 2003. Variability of selected Soil properties and their relationships With soybean yield. Soil Sci Soc. Am. J. 67: 1296-1302 https://doi.org/10.2136/sssaj2003.1296
- Cui, R. X. and B. W. Lee. 2002. Spiklet number estimation model using nitrogen nutrition status and biomass at panicle initiation and heading stage of rice. Korean J. Crop Sci. 47 (5)' 390-394
- De Datta, S. K., K. A. Gomez, and J. P. Descalsota 1998. Change in yield response to major nutrient and in Soil fertility under intensive rice cropping. Soil Sci 146(5): 350-358 https://doi.org/10.1097/00010694-198811000-00007
- Delin, S. and B. Linden, 2002 Relations between net nitrogen mineralization and Soil characteristics within an arable field. Acta Agr. Scand. 52: 78-85
- Delin, S. B. and K. Berglund 2004. Yield and protein response to fertilizer nitrogen in different parts of a cereal field' potential of site-specific fertilization. European J. of Agron., In Press
- Dobermann, A., A. F. Pampolino, and H U. Neue. 1995. Spatial and temporal variability of transplanted rice at field scale. Agron. J. 87: 712-720 https://doi.org/10.2134/agronj1995.00021962008700040018x
- Dobermann, A., K. G. Cassman, P. C. Cruz, M. A. A. Adviento, and M. F. Pampolmo. 1996. Fertilizer inputs, nutrients balance and Soil nutrient supplying power in intensive, irrigated rice systems. III. Phosphorous. Nutr. Cyc. Agroecosyst. 46: 111-125 https://doi.org/10.1007/BF00704311
- Dobermarm, D. 1994 Factors causing field variation of direct-seeded flooded rice. Geoderma 62 (1-3): 125-150 https://doi.org/10.1016/0016-7061(94)90032-9
- Doberman, A., C.Witt, D. Dawe, S. Abdulrachman, H. C. Gines, R. Nagarajan, S. Satawathananont, T. T. Son, P. S. Tan, G H. Wang, N. V. Chien, V. T. K. Thoa, C. V. Phung, P. Stalm, P. Muthknshnan, V. Ravi, M Babu, S. Chatupom, J. Sookthongsa, Q. Sun, R Fu, G C. Sunbahan, and M. A. A. Adviento. 2002 Site-specific nutrient management for intensive rice cropping system in Asia. Field Crops Research 74:37-66 https://doi.org/10.1016/S0378-4290(01)00197-6
- Environmental Systems Research Institute Acview GIS (ESRl), 1996
- Englestad, O. P., W D. Shrader, and L. C. Dumernl, 1961. The effect of surface Soil thickness on com yields. I. As determined by a series of field experiments in farmer operated fields. In: Soil Sci. Soc. Am. Proc. 25, pp. 494-497
- Gooding, M J., M. Salahi, and R. H Ellis. 1999. Spatial variation in the response of wheat gram yield and quality to late nitrogen. Precision Agriculture '99, Part 2 In: Papers Presented at the 2nd European Conference on Precision Agriculture, Odense, Denmark, 11-15 July 1999, pp. 531-538
- Inamura, T., K Goto, M. Iida, K. Nonarm, H. Inoue, and Mikio. 2004. Geostatistical analysis of yield, Soil properties and crop management practices m paddy rice fields. Plant. Proc. Sci. 7: 230-239
- Kahabka, J. E., H. M. Van Es, E. J. Mcclenahan, and W. J. Cox. 2004. Spatial analysis of maize response to nitrogen fertilizer in central New York. Precision Agriculture 5: 463-476 https://doi.org/10.1007/s11119-004-5320-2
- Li, R. G, B Z. Fan, C. W Wang, and J. Shen. 1991 The development of fertilization models for rice, In: Present and Future of Soil Sciences m China. Science and Technology Press, Soil Science Society of China, Jiangsu, pp. 118-121
- McDaniel, T. A. and B. F. Hajek. 1985. Soil erosion effects on crop productivity and Soil properties in Alabama. In: Erosion and Soil Productivity, ASAE, St Joseph, MI, pp. 48-58
- Mitcherlich, E A. and W. Sauerlandt. 1934. Salpeter- and Amoruak-Strckstoff in Boden und pflanzenphysiologisch wirksame Stickstoffmenge 'b.' Landwirtschafthche Jahrbucher 81 :623-654
- Nguyen Tuan Anh, J. C. Shin, and B. W Lee. 2004. analysis of spatial variation of yields and Soil chemical properties a paddy field. Proc. Inter. Crop Sci. Congress, pp. 425. Australia
- Nguyen Tuan Anh, K. J Choi, J. C. Shin, C. K Lee, and B. W. Lee. 2003. Spatial variation of growth, Soil chemical properties and yield m large-scale direct-seeded rice field. ECPA/ISBN: 9076998345fWagenmgen Academic Publisher pp. 515-517
- Nguyen Tuan Anh, K. J Choi, J. C. Shin, C. K. Lee, and B. W. Lee. 2003. Boundary line analysis of rice yield response to Soil chemical properties and its application to the analysis of spatial yield variability, Korean J. Crop Sci. (Supl.4). 123-127
- Park, Y. H., B W. Lee, Y. Lee, H. M. Rho, and H. M. Kim. 2003 Fertilizer management for the reduced environmental load from rice cultivation. p263-302 in Assessing and Regional Management of Agroecosystem for Clean and Friendly Future Environment, Research Institute for Agriculture and Life Science, Seoul National Univ , Korea
- Runge, E C. A. and F. M. Hons. 1999 Precision agriculture-development of hierarchy of vanables mtluencmg crop yields. In: Robert, P.C., et al. (Eds.), Proceedings of the Fourth International Conference on Precision Agriculture. ASA, CSSA, SSSA, Madison, WI
- SAS Institute. 2001. SAS system for windows. Release 8.01. SAS Institute Inc. Cary, N.C
- Shen, J., R. LI, F. Zhang, J. Fan, C. Tang, and Z. Rengel. 2004. Crop yields, Soil fertility and phosphorus fractions m response to long-term fertilization under the rice monoculture system on a calcareous Soil Field Crop Research 86: 225-238 https://doi.org/10.1016/j.fcr.2003.08.013
- Taylor, J. C., G A. Wood, R. Earl, and R. J Godwm, 2003. Soil factor and their Influence on within-field crop variability, part II. Spatial analysis and determination of management zones. Precision Agriculture 84 (40): 441-453
- Verhagen, J. 1997. Site-specific fertilizer application for potato production and effects on N leaching Using dynamic Simulation modeling, Agriculture, Ecos , and environ., 66 (2): 165-175 https://doi.org/10.1016/S0167-8809(97)00086-8
- Verhagen, J , H W. G. Booltmk, and J. Bouma. 1995. SIte specific management: balancing production and environmental requirements at farm level. Agric. Sys. 49.369-384 https://doi.org/10.1016/0308-521X(95)00031-Y
- Wood, J. 1980. The mathematical expression of crop response to Inputs. Physiological aspects of crop productivity, In. Proceeding of the 15th Colloqium of the International Potash Institute, Bern, Switzerland, pp. 263-271
- Yanai, J., C. K. Lee, M. Umeda, and T. Kosaki. 2000 Spatial of Soil chemical properties in a paddy field. Soil Sci. Plant Nutr. 4: 473-482