Journal Article 949 Research Support, Non-U.S. Gov't 244 yield 131 Plant Proteins 91 Review 88 Yield 80 grain yield 56 plus ... Water 52 059QF0KO0R 51 Nitrogen 50 Soil 49 N762921K75 48 Subject Areas 42 yield loss 42 Yield loss and economic impacts 41 rice 40 wheat 40 Causal Agent 38 Crop Type 38 photosynthesis 38 crop yield 37 142M471B3J 36 Carbon Dioxide 36 Grain yield 34 1406-65-1 33 7440-44-0 33 Carbon 33 Chlorophyll 33 Methane 33 OP0UW79H66 33 moins ...