Justin Seed Company 524 South Hwy 156, Box 6 , Justin , Texas 76247 USA About Solutions products Companies Justin Seed Company Products Model 10-20-10 - Bagged Fertilizer Model 10-20-10 - Bagged Fertilizer From Bagged Fertilizer 0 Share Recommended for root development of all types of plants. Normally is selected for feeding trees and landscaping plantings. Most popular related searches fertilizer root development N-P-K fertilizer spray-fertilizer fertilizer plant planting trees Product Details Use: Root Development. Spreader Setting: Start 1/4 open and adjust Coverage: 10,500 sq feet on average Customer reviews No reviews were found for Model 10-20-10 - Bagged Fertilizer. Be the first to review! Add your review Publish your review Great! review successfully added!