Using Cottonseed Meal as Fertilizer

What nutrients does cottonseed meal contain? Cottonseed meal contains approximately 7% nitrogen, 2.5% phosphoric acid, and 1.5% potash.

How long does it take for cottonseed meal to mix with soil? Part of the nitrogen and other essential elements of cottonseed meal are readily available; the remainder becomes available more slowly.

On what plants can cottonseed meal be used, and in combination with what other fertilizer? It can be used on nearly all plants as it contains about 7% nitrogen, which becomes available slowly; also 3% phosphorus, and 2% potash. It can be used with superphosphate. Cottonseed meal is especially recommended for use on rhododendrons and other ericaceous plants.