American chemical society-symposium 1 Automated pesticide residue analysis and screening 1 Biochemical and metabolic changes in plants induced by chlorophenoxy herbicides 1 Coconut Research and Development 1 Cropping - research - Asia - symposium, rice farming - R & D - Asia - symposium 1 Crops-hunger signs-symposium 1 Disease- Plants- Resistance- Symposium 1 Food industry 1 Genetics-mutation 1 International Symposium on Coconut Research and development 1 Mushrooms - symposium 1 National symposium 1 Pests- Plant 1 Plant science symposium 1 Plant- Immunochemistry - Symposium 1 Plants- Pest resistance 1 Proceedings of the symposium on ecology of animal population 1 Proceedings of the symposium on ecology of animal population from 26th oct. to 28th oct., 1978 1 Proceedings of the symposium on host as an environment from 27th march to 28th march 1930 1 Purification of solvents for pesticide residue analysis 1 Report 1 Review of the symposium on foreign materials in food 1 food industry-use of carbohydrates 1 gene action 1 mendel-centennial symposium 1 mushrooms - edible - cultivation - symposium 1 plants-hungersigns 1 population genetics 1 sugars-food industry 1