SLIDE 7
- 2. Development of crop quality model (NARO)
Biomass growth and yield formation Phenological development
Summer crop: rice
Agro-meteorological model (high-resolution weather data) Ground monitoring (assimilation/tuning data)
Crop growth model
Storage starch (ST) Storage starch Accumulation Vegetative tissue growth Root Photosynthesis Sugar (Su) Maintenance respiration Grain growth Root growth Development DVI Spikelet # Differentiation Spikelet number
Summer crop: rice Winter crop: wheat, barley /Crop growth dynamics /Crop quality as well as yield! / f l l
Vegetative Tissues (V) Grain Yield (Y) Translocation T l i Attainable Yield Spikelet sterility Degeneration Plant N dynamics
/Forecast of agricultural meteorological disasters
S&W model
leaf N leaf N accumulation Grain N soil N uptake Grain N accumulation Senescence Translocation dead N Expansion LAI Senescence LAI development stem N accumulation stem N Senescence Translocation
(water resources, soil moisture) (crop water demand)
Decision Support Systems rice-wheat rotation system Decision Support Systems rice wheat rotation system
/Optimal configuration of cropping season /Selection of varieties /Risk reduction in agriculture meteorological disaster /Land productivity optimization /Optimal resource utilization
Advanced use of rice paddies to improve food self-sufficiency
7