Constraints in wheat productivity in India 1 Evaluation of wtgrows 1 Herbicide Application 1 Irrigation Application 1 Nutrient Uptake and Use Efficiency 1 Plant Population 1 Potential yields and optimal management for wheat in non traditional area of topics 1 Seed Rate and Requirement 1 Simulating the effect of climatic factors and genotype on productivity of wheat 1 Simulating the effect of nitrogen and irrigation application on productivity of wheat 1 Yield Estimation 1