All About Organic Garden Fertilizer

Fertilizers help to create a green environment

, but apparently the most widely used are chemical or synthetic fertilizers. Chemical fertilizers have a lot of drawbacks, which has necessitated the use of organic garden fertilizer. These fertilizers release nutrients in a slow pace. They let out nitrogen which is in turn utilised by the soil microbes, which help in keeping the soil healthy. On contrast, synthetic fertilizers only add concentrated nutrients for the plants but nothing to the soil itself. Every natural fertilizer contains trace elements, which plants need in minute quantities, and major nutrients, which are needed in larger amounts. The major nutrients are potassium, phosphorus and nitrogen. The following are the various types of organic garden fertilizer Compost - Compost is the natural break-down of organic material into dark, rich soil. It is also called humus. While equivalent to a mere 1-1-1 fertilizer, it acts as a conditioner, retaining water, breaking up clay and adding valuable microorganisms and nematodes, all vital to soil health. The humid acid in the compost will release natural nutrients already in the soil, so the apparent low-nutrient value is made up for its powerful soil-amending properties. Mulch - Mulch is a protective layer of material placed atop soils. Natural mulches are used to help retain moisture, keep the soil at a more even temperature, and provide shade and a cover to repel weed growth. As the mulch decomposes, it adds nutrients to the soil. Composted manure - Manures are high in nitrogen, phosphorus and potassium, and the levels are different for horse, cow, sheep, chicken and vegetable-based "green" manures. Until the advent of chemical fertilizer, they were the primary fertilizer on farmlands, and are still in wide use today. Composted manures do not have this run-off problem. The composting process lowers the amount of nitrogen and locks the remainder into stable compounds. The high heat generated by composting also kills any weed seeds and pathogens. Other Organic fertilizers include: Bone meal - It is a good source of phosphorous and calcium, which makes up between 2% and 5% of the total composition. Bone meal is often used for tomatoes and bulbs. Cottonseed meal - A good organic source of nitrogen and trace elements, it has an acidic pH and is often an ingredient in all-purpose natural fertilizers. Fish meal - A natural fertilizer made in meal form that is high in nitrogen and phosphorous.

Soybean meal - Made from soybeans and is used primarily as a source of nitrogen or as a soil amendment. Salts - Used to treat soils and plants deficient in magnesium and sulfur. Because of its high salt content it should not be used on soils that are already high in salt. Gypsum - Also known as calcium sulfate, it is a good source of calcium and sulfur. It is an inexpensive material to use for neutralizing acidic soils, and it also helps to break up heavy clay soils so air and water can penetrate.

All About Organic Garden Fertilizer

By: Clint Sidney

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