Agriculture humate is applied at the rates of 200-600 pounds per acre, depending on soil conditions, climate conditions and the particular crop. the applications are recommended in two to four equal applications from early spring through fall during normal crop treatment cycles. In acid, leached soils, which are often sandy, substantial portions of the organic matter is in the form of plant debris and fulvic acids (fas). in neutral and alkaline soils a large percentage of the organic matter is present in the form of humic acids (has) and humin. Home > product directory > chemical machinery > machinery for environmental protection > rbchem organic fertilizer boron granular , boron humate granule add to my favorite my favorite stores contact supplier Buy humic acid organic fertilizer at best price and offers in ksa at souq. fast and free shipping free returns cash on delivery available on eligible purchase. free shipping all orders of 200.00 sar or more on eligible items across any product category qualify for free shipping.