Boost Crop Yield with Azotobacter Vinelandii from Universal Microbes! Our well-certified, 100% organic solution is designed to enhance soil fertility and promote healthy plant growth. Suitable for all crop types, it delivers fast results while being easy to use and store for extended periods. Each product is packaged securely to maintain quality and arrives with free worldwide shippin... https://www.universalmicrobes.com/product-page/azotobacter-vinelandii