Improving the rice plant and its culture.
D000047:Academies and Institutes; D000383:Agriculture; D005523:Food Supply; D001556:Hexachlorocyclohexane; D007300:Insect Control; D007306:Insecticides; D007391:International Cooperation; D012275:Oryza; D010679:Philippines; D010935:Plant Diseases; D011743:Pyrimidines; D014329:Tropical Climate
D007306:Insecticides; D011743:Pyrimidines; D001556:Hexachlorocyclohexane