Comparing Compound Versus Organic Fertilizers

Compound fertilizers are classified as either two-element (phosphorus-potassium, nitrogen-phosphorus, and nitrogen-potassium) or three-element (nitrogen-phosphorus-potassium). Depending on the method of production, they are considered complex, complex-mixed, or mixed. Compound fertilizers are used for all crops, whereas complex fertilizers are used primarily for industrial crops, such as cotton and sugar beets.

Organic fertilizers are fertilizers derived from animal or vegetable matter. (e.g. compost, manure). Naturally occurring organic fertilizers include manure, slurry, worm castings, peat, seaweed, humic acid, and guano. Processed organic fertilizers include compost, blood meal, bone meal, humic acid, amino acids, and seaweed extracts. Other examples are natural enzyme-digested proteins, fish meal, and feather meal. Decomposing crop residue (green manure) from prior years is another source of fertility.

compound fertilizers characteristic
Variations of compound fertilizers are used for nearly all crops. Complex fertilizers, which are produced through chemical interaction, are used primarily for industrial crops such as cotton and sugar beets. These complex fertilizers are a type of compound fertilizer with a chemical reaction being required to complete the production process. Commercially available compounds are typically free-flowing, allowing a uniform dispersion. They are chemically uniform and safe to use. Controlled-release elements are used to avoid burning vegetation. Some products contain herbicides for a controlled feed and weed application. Compound fertilizers are available from Landscaping and agricultural supply stores also carry a full line of compound fertilizer products. compound products convenient, reliable and economic.

Organic fertilizer characteristic
Compost and organic material introduce beneficial microorganisms into the soil’s complex mix.  Microorganisms commonly found in soil and compost convert organic nitrogen into inorganic nitrogen, a process called mineralization. Plants may then take up the nutrients released by this process.  Composts contain an astonishing variety of microbes, many of which may be beneficial in controlling pathogens. Organic matter improves soil structure, resulting in a crumb-like structure that improves water retention, air infiltration and enhances soil fertility.  Microorganisms can also break down contaminants in the soil and water to components that pose less of an environmental hazard.

Cost
Organic fertilizers are much cheaper as compared to chemical fertilizers. One can prepare organic fertilizers on their own by composting or mixing cow, sheep, or poultry manure with other organic matters. On the other hand, organic fertilizer is cost expensive than compound fertilizer when you buy it from market

N P K Ratio
Chemical fertilizers always have a high total N P K (nitrogen:phosphorous:potassium), from 20 to 60 percent or more. The total N P K for organic fertilizer blends will always be low. Fourteen percent is about as high as it gets.

Supply of nutrients
Organic fertilizers is their slow-release capability. Slow-release is less risk of over-fertilization but sometimes this is not able to fulfill to needed supply of the nutrients, whenever required. In contrast to organic fertilizer, chemical fertilizers are always there to provide immediate supply of nutrients to plants if situation demands.

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