(Natural News) A seven-year-long study conducted by Spanish researchers in a farm under the Mediterranean sun has concluded its comparison of natural and synthetic fertilizers. The researchers reported that manure-based fertilizer greatly improved the crop yield, both on its own and when added to chemical fertilizer. The goal of the Universitat de Lleida (UDL) research […]

(Natural News) Nitrogen is essential in crop production, but it comes with a caveat: Use too much of it, and you risk polluting the environment; use too little, and you risk limiting your crop yield. This was also the focus of an article that appeared in the journal Nutrient Cycling in Agrosystems. The paper, led by […]