Straw - organic fertilizer Straw is a source of nutrients necessary for the growth of crops. Straw as a fertilizer in its structure contains the following elements: nitrogen, phosphorus, potassium, carbon, sulfur, calcium, magnesium, boron, copper, manganese, molybdenum, zinc, cobalt. Straw as fertilizer for the garden The main benefit of such fertilizer as straw is the enrichment of the soil with mineral elements necessary [...]