1. Increased lowland rice yield through improved fertilizer and water management practices;Aragon;Philipp. J. Crop Sci.,1987
2. Blake, G.R., Hartge, K.H., 1986. Bulk density. In: Klute, A. (Ed.), Methods of Soil Analysis, Part 1, 2nd Edition. Agron. Monogr. 9. ASA/SSSA, Madison, WI, pp. 363–375.
3. Comparative root growth and soil water extraction of dry-seeded, wet-seeded and transplanted rice in a greenhouse experiment;Boling;Philipp. J. Crop Sci.,1998
4. Lowland rice yield as affected by timing of water deficit and nitrogen fertilization;Castillo;Agron. J.,1992
5. De Datta, S.K., 1981. Principles and Practices of Rice Production. Wiley, New York.