The fertilizers that I get more inquiries about than any others are the phosphates—bone meal, acid phosphate and rock phosphate.
To furnish the phosphoric acid he can buy 1,786 pounds acid phosphate.
Either ground bone or acid phosphate will give the needed phosphoric acid.
"Certainly," and Fred went to his room and soon returned with a glass with about two teaspoonfuls of acid phosphate in it.
acid phosphate and kainite added to the manure may pay handsomely.
Three hundred and fifty pounds of acid phosphate and 50 pounds of muriate of potash per acre is the mixture recommended.
The availability is less immediate than that of acid phosphate, but much greater than that of raw bone.
For such use it needs reënforcing only with acid phosphate, but as a general manure it should have the addition of potash.
In Louisiana large quantities of tankage, cotton-seed meal, and acid phosphate are used to fertilize cane-fields.
The cheapness of acid phosphate, as compared with animal bone, is the decisive factor.