1 "Song BH 1995. Carbohydrate metabolism and nitrogen assimilation rate on activities of glutamine synthase and nitrate reductase at different nitrogen levels in two rice varieties. Korean J. Crop Sci. 28" 54-65,
2 "Smith PL 1963. Sequence of products formed during denitrification in some diverse western soils. Soil Soc. Am. J. 27" 659-662,
3 "Seok SJ 1982. Efficiency of soil and fertilizer nitrogen in relation to rice variety and application time using 15 N labeled fertilizer. III. Top-dressing with 15N fertilizer in fields. J. Korean Agricultural Chemical Society. 25" 142-149,
4 "Price LL 1998. Economics of nutrient management in Asian rice systems" 157-176,
5 "Park H 1975. Concepts concerning various nitrogen efficiencies and their interrelation in rice plant. J. Korean Agricultural Chemical Society. 8" 69-80,
6 "Laureles EV 1987. Measurement of nitrogen utilization efficiency in rice genotypes. Agron. J. 79" 786-791,
7 "Koh HJ 2001. Inheritance of physiological nitrogen-use efficiency and relationship among its associated characters in rice. Korean J. Breed. 33" 332-337,
8 "Hanau R 1967. A Model for simulating photosynthesis in plant communities. Hilgardia 38" 181-205.
9 "Fageria NK 1992. Nitrogen use efficiency in crop production. In Fageria NK" Inc. pp. 125-163.
10 "Broadbent FE 1990. Nitrogen use efficiency of 24 rice genotypes on an N-deficient soin. Field Crops Res. 23" 81-92,
1 "Song BH 1995. Carbohydrate metabolism and nitrogen assimilation rate on activities of glutamine synthase and nitrate reductase at different nitrogen levels in two rice varieties. Korean J. Crop Sci. 28" 54-65,
2 "Smith PL 1963. Sequence of products formed during denitrification in some diverse western soils. Soil Soc. Am. J. 27" 659-662,
3 "Seok SJ 1982. Efficiency of soil and fertilizer nitrogen in relation to rice variety and application time using 15 N labeled fertilizer. III. Top-dressing with 15N fertilizer in fields. J. Korean Agricultural Chemical Society. 25" 142-149,
4 "Price LL 1998. Economics of nutrient management in Asian rice systems" 157-176,
5 "Park H 1975. Concepts concerning various nitrogen efficiencies and their interrelation in rice plant. J. Korean Agricultural Chemical Society. 8" 69-80,
6 "Laureles EV 1987. Measurement of nitrogen utilization efficiency in rice genotypes. Agron. J. 79" 786-791,
7 "Koh HJ 2001. Inheritance of physiological nitrogen-use efficiency and relationship among its associated characters in rice. Korean J. Breed. 33" 332-337,
8 "Hanau R 1967. A Model for simulating photosynthesis in plant communities. Hilgardia 38" 181-205.
9 "Fageria NK 1992. Nitrogen use efficiency in crop production. In Fageria NK" Inc. pp. 125-163.
10 "Broadbent FE 1990. Nitrogen use efficiency of 24 rice genotypes on an N-deficient soin. Field Crops Res. 23" 81-92,
11 "Broadbent FE 1988. Methodology for evaluating nitrogen use efficiency by rice genotypes. Agron. J. 80" 793-798,