ELEMENTS OF AGRICULTURE
1 Agriculture and Agricultural Systems 1 Part I The Crop Environment 2 The Soil Physical, Chemical and Biological Properties 15 3 The Radiation Balance 27 4 Wind and Turbulent Transport 43 5 Air Temperature and Humidity 55 6 Soil Temperature and Soil Heat Flux 69 7 The Energy Balance 79 8 The Water Budget 91 9 The Components of Evapotranspiration 107 10 Calculation of Evapotranspiration and Crop Water Requirements 119 Part II Crop Productivity 11 Crop Development and Growth 141 12 Plant Density and Competition 159 13 Radiation Interception, Radiation Use Efficiency and Crop Productivity 169 14 Effects of Water Stress on Crop Production 189 15 Limitations to Crop Productivity 205 Part III Crop Management 16 Sowing and Planting 217 17 Tillage 229 18 Soil Conservation 241 19 Irrigation Systems 255 20 Irrigation Scheduling Using the Water Balance 269 21 Deficit Irrigation 281 22 Control of Salinity 295 23 Fertilizers 321