HOW TO PREPARE FERTILIZERS...COMPOSITIONS.

There are many ‘complete’ fertilizer products on the market for use in liquid feeding programs. However, most of the single package dry or liquid concentrate formulations available are unable to supply all the fertilizers required for growth since some of the elements react with one another in concentrated form. Most commonly, calcium will react with the phosphate and sulphate sources to form insoluble precipitates.

Magnesium sulphate may also react with other dry fertilizer ingredients. For this reason, calcium and magnesium are often omitted from soluble fertilizer products or they are provided in very small quantities. For short term potted crops this is seldom a problem. It is not always necessary to feed calcium and magnesium in the fertilizer solution since the dolomitic limestone used to buffer the low pH of most peat based potting soils usually supplies sufficient quantities of calcium and magnesium as the lime slowly dissolves. However, many growers find it useful to supply calcium and magnesium supplements in their feed solutions as well, particularly for hydroponic applications or longer term potted crops.

This can be accomplished in several ways:

• If you use a single headed injector system you can occasionally substitute either calcium nitrate or magnesium sulphate (never both together!) for your standard ‘complete’ feed.
• A double or triple headed injector system can be set up to dose calcium and magnesium solutions along with your commercial blend. However, since this will also provide more nitrogen than you may need, you may have to choose a different commercial fertilizer blend to compensate.
• Some companies offer a two or three part fertilizer program that requires separate mixing and concentrate injection to deliver a balanced complete feed that will supply all of the required nutrients when proportioned simultaneously.
• You can make up your own fertilizer solutions from scratch. There are almost endless variations of liquid fertilizer recipes intended to fit the needs of special crops, conditions, or crop timing. For certain crop situations, the elemental balance, overall concentration (EC), and the effect on media pH can be adjusted by altering the choice of individual constituents, their overall concentration, and their ratios to one another.

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The following is an example of a generic complete feed recipe formulated from base fertilizer compounds that are commonly used in greenhouse liquid feeding programs. If the materials are to be mixed in concentrate form for injection (above 15 x the dilute feeding level), it is necessary to separate the calcium nitrate into one concentrate tank (tank A) and the phosphate and sulphate compounds into another (tank B). A third injection tank (tank C) may be required if you need to administer pH adjusting acids or bases. You may come across other variations of this ABC concentrate tank method, but they will almost always keep the calcium nitrate separate from phosphorus and magnesium sources.

If you need any manufacturing formulations and production methods about

any liquid and solid fertilizer,

CHEMICAL

FERTILIZERS

FORMULATIONS

ENCYCLOPEDİA

is enough.

This encyclopedia has many formulas about NPK fertilizers,NP fertilizers,liquid poliar fertilizers, powder fertilizers, granulas fertilizers, micro nutrients fertilizers,macro nutrients fertilizers,chelated fertilizers etc.

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

CHEMICAL

FERTILIZERS

FORMULATIONS

ENCYCLOPEDIA

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