Farmers could save P2,000-P4,000 if they complement inorganic fertilizer application with organic, nutrient experts from the Department of Agriculture (DA) said. Wilfredo B. Collado, a nutrient management expert from DA-Philippine Rice Research Institute, said that farmers must maximize the benefits of natural sources of nutrients. “One hundred cavans of palay (5t-yield) produces 5t of rice straw. If this is incorporated into the soil and decomposed, it can produce 30kg N, […]