Shop › The Complete and Updated Guide of Producing 10-17 Tons of Yellow Hybrid Corn The Complete and Updated Guide of Producing 10-17 Tons of Yellow Hybrid Corn Sale Price: ₱99.00 Original Price: ₱200.00 Guide and Protocol on how to plant and produce yellow hybrid corn, the requirements and time needed. Add To Cart Added! Guide and Protocol on how to plant and produce yellow hybrid corn, the requirements and time needed.