Organic fertilizers can be grouped according to the source of their raw material. There are plant-based, animal-based, and mineral-based fertilizers available. I won't be covering mineral-based fertilizers such as greensand, rock phosphate, and Chilean nitrate here, but will refer you to another article, Minerals for Soil, for a detailed explanation of this fertilizer group.

Here are some examples of plant- and animal-based products you might use in your garden.

Plant-Based Fertilizers

Plant-based fertilizers are usually high in nitrogen and sometimes potassium. Some crops are grown specifically to be made into organic fertilizer while others, such as cottonseed meal, are by-products of another industry.

This fertilizer is also available in pellets. It has a moderate amount of nitrogen (2 to 3 percent) and contains some trace minerals.

This by-product of the corn-processing industry contains 10 percent nitrogen in a form that's quick to break down. It also has the unique ability to inhibit germination of seeds and is sold as an organic pre-emergent herbicide to control crabgrass in lawns.

This by-product of the cotton industry is made from the remains of cottonseeds after the oil is pressed out. It's a slow-release fertilizer, moderately high in nitrogen (6 percent), with some phosphorous. It can acidify the soil. Since cotton is such a heavily sprayed crop, there are concerns about pesticides on the seed and in the meal. It's best to buy low-residue or pesticide-free cottonseed meal.

Extracts of seaweed and kelp are found in meal and liquid forms. They are good sources of minerals, with some potassium and nitrogen. They also enhance the microbial activity in the soil. Liquid versions of seaweed can be sprayed directly on plants as a foliar fertilizer.

This high-nitrogen fertilizer (7 percent) is similar to alfalfa meal and contains more nitrogen than cottonseed meal.

Animal-Based Fertilizers

By-products from the dairy and meat processing industries produce a bevy of organic fertilizer products.

This product is exactly what it sounds like; it's a by-product of the slaughtering industry and is a rich source of nitrogen (14 percent). The smell may attract dogs and wild animals to your garden.

Another by-product of the slaughtering industry, bonemeal is a rich source of phosphorous (11 percent) and calcium (22 percent), and it supplies some nitrogen. "Steamed" bonemeal has less nitrogen but somewhat faster nutrient availability than "raw" bonemeal.

Fish Products

By-products from the fish industry yield organic fertilizer products such as fish emulsion and fish meal. These are high in nitrogen (up to 10 percent) and quickly available to plants.

 

If you need any manufacturing formulations and production methods about

any liquid and solid organic fertilizer,


ORGANIC

FERTILIZERS

FORMULATIONS

ENCYCLOPEDİA

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All organic fertilizers in the encyclopedia are producible easily.You need no help and no technıcal support. The encyclopedia is enough to produce organic fertilizers  itself.

ORGANIC

FERTILIZERS

FORMULATIONS

ENCYCLOPEDIA

is written clear and understandable.


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