Different types of fish fertilizer Fish Meal Fish meal is made by cooking, pressing, drying, and grinding the waste fish. The oil is typically extracted and sold as a separate product for fish oil or cosmetics. The heat kills the natural microorganisms and destroys the natural condition of desirable organic molecules. What remains is a brown powder or cake that is worked into the soil and then watered to soak in. As such it is not strictly a compost product, but is a soil amendment. The fish meal decomposes after it is in the soil and then releases its nutrients. Fish meal may come from fish that may contain high levels of heavy metals which can be absorbed by the plants. Fish Emulsions Fish emulsions start with a fish meal, having processed the fish in a similar way. But they may be processed by using steam to extract proteins that are sold as another product. So again, these are not strictly compost. The steam that used to remove the protein is typically from a municipal water source, and as a result, the chlorine content in the final product may be as high, giving an undesirably high salt content. Fish naturally contain about 2% nitrogen. However, it is common for emulsions to contain synthetic sources of nitrogen, such as urea, to boost the nitrogen percentage. Emulsions are thick as molasses and may be difficult to handle. Emulsions smell very bad, like dead fish, and the product has a bad reputation for clogging sprayers and fouling the holding tanks. Hydrolyzed Fish Fertilizer We make our Liguano organic fish fertilizer from fresh water Sarawak Catfish. We use only life whole fish. We grind the input and then create a paste from the ground fish. We also add equivalent weight of refined Bat Guano from our caves. Nothing is removed and there is no waste. The paste is fermented (decomposed) without the addition of heat using the naturally present and added Probiotic or effective microorganisms. This is referred to as a hydrolyzed or enzymatic process and the finshed product is fully referred to as “enzymatically digested hydrolyzed liquid fish fertilizer.” Hydrolyzed fish has all of the main nutritional elements of a whole fish (such as amino acids, growth hormones and micronutrients) that are chelated, so they are easy for the plant to consume. This process retains more of the proteins, enzymes, vitamins, and micronutrients than fish emulsions. We then add vinegar from Palm Sugar for preservation. The result of our process is a truly organic fertilizer that may be used for drip irrigation systems, as a soil drench, or a foliar application on a wide variety of crops.
Posted on: Mon, 01 Dec 2014 00:56:17 +0000
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