USE.113-Paradigm shift: Changing Recommendations for Phosphorus Fertilization-AC22.USCC

Add more- that was the official extension recommendation for phosphorus fertilization for many decades. Phosphorus is tightly bound in most soils. This nutrient has a strong affinity for reactive groups on soil particles including iron, aluminum and calcium. In order to make sure plants had access to enough P, extension agents typically recommended applications well… Continue reading USE.113-Paradigm shift: Changing Recommendations for Phosphorus Fertilization-AC22.USCC

USE.219-Specialty Product- Phosphorus Fortified Compost-AC22.USCC

Agrilab Technologies Inc. (AGT) is one of the teams funded through the Vermont Phosphorus (P) Innovation Challenge. The larger effort seeks to reduce P loading to Lake Champlain and other Vermont waters through new practices. AGT is setting up a network of on-farm composting and P processing sites to stabilize and fortify compost with concentrated… Continue reading USE.219-Specialty Product- Phosphorus Fortified Compost-AC22.USCC

POL.215-Compost and Phosphorous: Managing Regulations and Risks-AC22.USCC

For decades, compost (and other organic recycled product) application rates have been governed by the amount of plant available nitrogen they provide. However, over the last 5-10 years, concerns about phosphorous application, and its effect on the environment, have led to State regulation limiting its application. Currently, 16 states have phosphorus regulation in place, and… Continue reading POL.215-Compost and Phosphorous: Managing Regulations and Risks-AC22.USCC