کود شیمیایی

Any type of material that increases soil yield, both qualitatively and quantitatively, to strengthen the soil and increase its fertility is called fertilizer.

Fertilizers are generally divided into three categories, which are: Chemical fertilizers, organic fertilizers and biological fertilizers

 

Chemical fertilizers:

The production of this type of fertilizer revolutionized agriculture and the increase in crop production.

Over time, the production of these fertilizers has increased

and because in addition to the fact that these fertilizers increase the yield It should also be borne in mind that these fertilizers cause a lot of damage to soil,

living organisms and ecosystems.

The chemical composition and purity of different fertilizers containing one element are very different.

These differences have a significant impact on the use, distribution, fertilization time and effectiveness of fertilizers.

Therefore, it is necessary to know enough about the types of chemical fertilizers before selecting or consuming them.

Chemical fertilizers are divided into two categories, some of which are high-consumption plant elements (macro-elements)

and some of which are low-consumption plant elements (micro-elements).

High consumption elements (macro) including: nitrogen – phosphorus – potash – magnesium – calcium

Trace elements (micro) include: iron – zinc – copper – manganese – boron Chemical fertilizers are classified according to the type of element.

For example, nitrogen, phosphorus and potassium fertilizers have one or two elements.

If a fertilizer has all the elements together and in proportion,

it is called a complete fertilizer. Chemical fertilizers are produced in fertilizer factories.

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