Plant Production 3 Plant Water Relations 3 Water use efficiency 3 Adaptation 2 Crop production 2 Crop yield 2 Drought resistance 2 more ... Environmental Tolerance of Plants 2 Field Crops, (New March 2000) 2 Genetic improvement 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Plant Breeding and Genetics 2 Plant Cropping Systems 2 Plant water relations 2 Soil Fertility 2 Soil fertility 2 Adaptability 1 Agriculture 1 Air temperature 1 Arid zones 1 Biological Resources (Plant) 1 Carbon dioxide 1 Characterization 1 Climatic change 1 Climatic changes 1 Composition and Quality of Non-food/Non-feed Plant Products 1 Conservation 1 Crop Produce 1 Crop management 1 Cropping systems 1 less ...