“You can also use bone meal, which provides phosphorus and calcium.” If your plants need a quick calcium boost, synthetic calcium fertilizers can help. However, using too much fertilizer can ...

Tomato plants require a fertilizer that is higher in certain ... amount of nitrogen and small quantities of potassium, phosphorus, calcium, and magnesium. However, if your soil already has high ...

to separate the zinc from the phosphate. They showed that there was more uptake of zinc by plants treated with the barrier-coating fertilizer. The Mosaic Company has already patented both of these ...