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เครื่องวัดวัดความเข้มข้นของเกลือในดิน Soil Salt Meter
Product Description

Soil Salt Meter

SOLUBLE SALTS

----The main ingredients of most
fertilizers are nitrogen, phosphorus, and potassium. Together, these and other
additives intended to enrich the soil may be called SOLUBLE SALTS. These
elements are "carried" in the fertilizer compounds. For example: The
potassium carriers are usually potassium sulphate or potassium chloride. The
nitrogen is usually sodium nitrate. The phosphate is contained in the compound
calcium phosphate.

Fertilizers are often spread in a
granular and water soluble form. No matter what fertilizer method is used and
whether applied lovingly to a single indoor house plant, or on your lawn, or
used professionally in greenhouses and nurseries, or spread over wide acreage
in farming, this fact exists:

Fertilizer applied that isn't
readily absorbed by the soil. or absorbed by the plant, will tend to build up
and, unless you take action you will kill your plants! At the minimum, the
danger is reduced growth and yield.

This SOIL SALTS METER can help. With
it, you can measure the soluble salts concentration to determine if your
current fertilizer practices are creating a danger to your plants. The criteria
separating the "SAFE" from the "DANGER" zone is a generally
accepted level agreed to by a group of scientists in a midwestern Agricultural
Experiment Station. The level is approximately 150 mhos x 10-5 (or 1.5 mhos x
10-3).

                     Tel. 0818997620 K.บัญฑิต

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