A combine harvester is parked at a rice field during a rainy day in Morong, Bataan. Combine harvesters are typically unable to operate effectively in the rain primarily due to issues with grain and straw moisture, clogging, and soil conditions. — Jonas ReyesA combine harvester is parked at a rice field during a rainy day in Morong, Bataan. Combine harvesters are typically unable to operate effectively in the rain primarily due to issues with grain and straw moisture, clogging, and soil conditions. — Jonas ReyesA combine harvester is parked at a rice field during a rainy day in Morong, Bataan. Combine harvesters are typically unable to operate effectively in the rain primarily due to issues with grain and straw moisture, clogging, and soil conditions. — Jonas Reyes