Crop management 15 CROP MANAGEMENT 12 Crop production 6 crop management 6 Plant Production 5 Crop Management 3 Crops-management 3 Meteorology and Climate 3 Plant Breeding and Genetics 3 Plant Physiology and Biochemistry 3 Taxonomy 3 Taxonomy and Evolution 3 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 3 AGROFORESTRY 2 Agriculture- Farming 2 Agronomy 2 BOTANY 2 Biological Resources (Plant) 2 Biotechnology 2 CYTOGENETICS AND BREEDING 2 Crop Produce 2 Crop husbandry 2 Cultivars 2 Dry land agriculture 2 Farm management 2 Field Crops, (New March 2000) 2 Genetic improvement 2 Geographical distribution 2 Horticultural Crops, (New March 2000) 2 Irrigation 2