Yoshida - 1981 - Fundamentals of Rice Crop Science

4.5. Corrective Measures for Nutritional Disorders 188
4.5.1. Agronomic methods 188
4.5.2. Soil improvement 188
4.5.3. Varietal improvement 188
4.6. Nutritional Disorders of Rice in Asian Countries 190
5 AND PHOTOSYNTHESIS
RESPIRATION
5.1. Photosynthesis 195
5.1.1. Photosynthesis — a review 195
5.1.2. Characteristics of rice photosynthesis 198
5.1.3. Crop photosynthesis 198
5.1.4. Critical vs optimum leaf area index 203
5.2. Respiration 205
5.2.1. Growth and respiration 205
5.2.2. Growth efficiency 205
5.2.3. Growth and maintenance respiration — physiological approach 207
5.2.4. Growth and maintenance respiration — biochemical approach 208
5.2.5. Bioenergetics of crop yields 210
6
RICE PLANT CHARACTERS
IN RELATION TO YIELDING ABILITY
6.1. Low Yields Under Experimental Conditions in the Tropics Until Mid-1960s
213
6.2. New Tropical High Yielding Varieties 215
6.3. Plant-Type Concept 216
6.3.1. Evolution of concept 216
6.3.2. Short, stiff culms 217
6.3.3. Erect leaves 217
6.3.4. High tillering capacity 219
6.4. Growth Duration 221
6.5. Association Between Plant Characters 223
6.5.1. Foliar absorption coefficient and plant characters 223
6:5.2. Plant height vs harvest index vs nitrogen responsiveness 224
6.5.3. Growth duration vs harvest index 225
6.5.4. Growth duration vs plant height 225
6.6. Changes in Morphological Characters of Rice Varieties 226
6.7. Modifications of Varietal Traits for Subnormal Conditions 226
6.7.1. Plant height 228
6.7.2. Leaf angle 230
6.7.3. Tillering capacity 230
6.7.4. Benefits and disadvantages of contrasting plant characteristics 230
7 ANALYSIS PHYSIOLOGICAL
OF RICE YIELD
7.1. Contribution of Accumulated Carbohydrate to the Grain 231
7.2. Current Photosynthesis During Ripening 233
7.3. Yield Component Analysis 235
7.3.1. Relative importance of yield components 235
7.3.2. Spikelet number per unit land area 236