selected publications
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article
- Nitrate and pesticide contamination of groundwater under rice-based cropping systems: past and current evidence from the Philippines. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 92:185-199. 2002
- Effect of water, tillage and herbicide on ecology of weed communities in intensive wet-seeded rice system. Crop Protection. 18:293-303. 1999
- Determinants of improving productivity of dry-seeded rice in rainfed lowlands. Experimental Agriculture. 35:127-140. 1999
- Opportunities to manipulate nutrient-by-water interactions in rainfed lowland rice systems. Field Crops Research. 56:93-112. 1998
- Improving water use efficiency in rice irrigation through wet-seeding. Irrigation Science. 16:1-8. 1995
- Sediment pollution in a gravity irrigation system and its effects on rice production. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 45:195-202. 1993
- Ricefield ecosystem management and its impact on disease vectors.. International Journal of Water Resources Development. 6:2-18. 1990
- Characterizing flood-prone rice areas and predicting flooding hazards. Journal of Hydrology. 107:297-307. 1989