Meteorology and Climate 9 Climate change 6 Climatic changes 6 Adaptation 5 Crops and climate 5 Climatic factors 4 Plant Production 4 more ... Climatic change 3 Crop production 3 Crops 3 Environmental impact 3 Food Economics, (New March 2000) 3 Food security 3 Global warming 3 Plant Breeding and Genetics 3 Plant Cropping Systems 3 Water Resources 3 Agricultural Economics 2 Aquatic Biology and Ecology 2 Case studies 2 Climate 2 Environmental Tolerance of Plants 2 Farming systems 2 Forests and Forest Trees (Biology and Ecology) 2 Genetic improvement 2 Insects 2 Livestock 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Natural Disasters 2 Plant Ecology 2 less ...