Biofertilizers in India: Where They Work and How to Use Them Every season, more farmers across India add a packet or bottle of biofertilizer to their input list, expecting a chemical-fertilizer-like jump in yield. Some fields respond well; others show little change, and the difference usually comes down to soil condition, storage, and application method rather than the product itself. Understanding biofertilizers in India means understanding where the science holds up in real