crop improvement Plant propagation 5 plant breeding 5 India - agricultural botany 4 Field crop production 1 India - agricultual botany 1 Nuclear radiation - food - agriculture 1 Plant adaptation 1 Plant protection 1 Plant- breeding 1 agriculture problems 1 empowerment of farm women 1 field crops- harvesting 1 food sterilization 1 horticultural crop 1 legumes 1 pest management 1 plant physiology - pathology - cytology 1 resource management 1