TY - JA AU - Herath,H.M.G. TI - Use of botanicals for pest control in paddy in Sri Lanka: A socio economic study PY - 1987/// KW - Agricultural chemicals KW - Botany KW - Crop losses KW - Pest control KW - Pesticides KW - AGROVOC KW - Rice KW - Sri lanka N1 - Tables, references p. 40 T2 - Sri Lankan Journal of Agricultural Sciences ER -