1. Precision Ag for Asparagus Production in Southern Philippines
Paisar Gadiaware

2. Why Asparagus? High value crop High variable input costs Laborious
High profit potential
American managed company

3. Management System.. Growership Dole Company
Fertilizers, pesticides, & technology
Grower
Land and
labor

4. Weaknesses of the Technology
Only two experimental areas for the ~3,000 acres plantation.
Limited soil samples
Uniform recommendations
Fertilizer
Limestone
Pesticides

5. Problems… Excessive N application Additional fertilizer costs
Low quality products
Additional foliar fertilizers
Increased pH
Water pollution

6. Problems cont. Weeds The most costly field operation.
Cannot use herbicide.
Pop density
Missing hills

7. Problems cont. Requires weekly spraying of fungicides Health hazard
High labor cost
High pesticide cost

8. So what? More soil sampling
Delineate and establish more experimental areas
Vary recommendation accdg. to soil/farm condition.

9. What about HI-Tech? NDVI sensor? Variable rate applicator?
Aerial photometry?
Satellite imagery?

10. Questions?