Agriculture Reference
In-Depth Information
5 Sustainable Food
Production in Indo-
Gangetic Plains
Role of Improved
Cultivars in Cropping
System Intensification
for Small Farm Holders
Raj Gupta and Rajbir Yadav
CONTENTS
5.1 Introduction .................................................................................................. 114
5.2 Agricultural Productivity Gaps and Scope for Improvements through
Management ................................................................................................. 115
5.3 Rainfall and Agricultural Productivity Nexus in Indo-Gangetic Plains ...... 118
5.4 Food Requirements and Alternate Sources of Productivity Growth ............ 120
5.5 Conservation Agriculture as a Concept for Intensification of Cropping
Systems ......................................................................................................... 121
5.6 Plant Breeding Interventions to Make Conservation Agriculture More
Profitable ....................................................................................................... 124
5.6.1 Exploiting Genetic Variability for Better Crop Stand
Establishment under Conservation Agriculture Practices ................ 125
5.6.2 Reprioritize Emphasis on Resistance Breeding ................................ 125
5.6.3 Use of Landraces for Risk Management and Yield Maximization ... 126
5.6.4 Harnessing Genotype-Tillage-Cropping System Interactions
for Yield Maximization .................................................................... 127
5.6.5 Vernalization Genes for Developing Alternate Sustainable
Wheat-Based Cropping Systems ...................................................... 128
5.6.6 Early Wheat Seeding with Appropriate Cultivars for Further
Intensification ................................................................................... 132
5.7 Conclusion .................................................................................................... 136
References .............................................................................................................. 137
113
 
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