Comparison of Farm Based Fertilizer Usage in 1992 and 1999
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Kim, Seok-Cheol
(National Institute of Agricultural and Science Technology, RDA)
Park, Yang-Ho (National Institute of Agricultural and Science Technology, RDA) Lee, Youn (National Institute of Agricultural and Science Technology, RDA) Lee, Ju-Young (National Institute of Agricultural and Science Technology, RDA) Kim, Chung-Su (Dept. of Agronomy, Chungnam National University) Kim, Pil-Joo (Institute of Agriculture and Life Science, Gyeonsang National University) |
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2 | MAF. 2001b. Five year plan to promote environmentally friendly farming. Ministry of Agriculture and Forestry, Seoul, Korea |
3 | RDA. 1993. Survey report to fertilizer utilization situation in farming fields. Rural Development Administration, Suwon, Korea |
4 | RDA. 1999. Fertilization standards to crop plants. National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon, Korea |
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6 | Lee, C.S. 1998. Deciding fertilizer levels by soil diagnosis, p. 137-151. In Symposium proceedings for soil diagnosis and fertilization. Research Institute for Subtropical Agriculture, Cheju University, Jeju, Korea |
7 | OECD. 2001b. Use of farm inputs and natural resources, p. 116-139. In Methods and results, environmental indicators for agriculture. Vol. 3. OECD, Paris, Fiance |
8 | OECD. 2001a. OECD National soil nitrogen balances: Preliminary estimates 1985-1997, Paris, france (www.oecd.org/agr/env/indicators.htm) |
9 | NIAST. 1997. Effects of long term fertilization on soil characteristics in paddy, p. 555-559. In Annual research report. National Institute of Agricultural Science and Technology, Suwon. Korea |
10 | MAF. 2001a. Statistical yearbook of agriculture and forestry. Ministry of Agriculturs and Forestry, Seoul, Korea |
11 | Parris, K. 1998. Agricultural nutrient balances as agri-environmental indicators: an OECD perspective. Environ. Pollut. 102(S1):219-225 DOI |
12 | Park, B.G., T.H. Kim, Y.H. Kim, and Q.S. Ho. 1994. Status of farmers application rates of chemical fertilizer and farm manure for major crops. J. Korean Soc. Soil Sci. Fert. 27:238-246 |
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