TOP GUIDELINES OF NPK 15 15 15 VIETNAM TIPS

Among the most well-liked soil fertilizer ratios in use is actually a 15-15-fifteen. The figures refer to the ratio of nitrogen, phosphorus, and potassium in parts per million. Most of the time, this means that you'll find fifteen units of nitrogen for every just one unit Each individual of phosphorus and potassium contained in it.Blood meal is usu