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June 19, 2017
soil

SOIL ANALYSIS

Soil analysis is the procedure followed for the confirmation of presence of all
the nutrients that are required for the plants. The major factors contributing to
plant nutrition are

  • The amount of nutrients in the soil
  • The ability of the soil to supply the nutrients
  • Nutrient availability in the soil and its absorption

Is testing of your soil necessary?

Soil is a complex, living, changing and dynamic component of the agro
ecosystem. Soil testing is the procedure done in order to know the nutritional
information about our soil. The determination of our soil helps in deciding the
fertilizers that should be programmed in the field. Balancing the soil results in
the biological activation by improving the soil microbe activity. A proper soil
test will help ensure the application of enough fertilizer to meet the
requirements of the crop. It is possible to determine the nutrient needs and
exportation, identify nutritional deficiencies, evaluate nutritional states, help in
the managing of fertilization programs and diagnose levels of nutrients in
diverse plant organs. Thus plant analysis should be carried out in order to
increase the productivity and demand. Soil testing is the most important
process to be carried out which helps the growers to take better decisions on
plant nutrition and can select cost effective fertilizers.

Note: Optionally, the recommendations of nutrition and the choice of the crop
will be suggested on requisition.

Selection of Sample:

The best time of year to soil sample is in the fall directly after the crop is
removed. It is necessary that the soil should be tested every year. Take the
samples from the depths (about 1 to 15 cm). It is also recommended that in the
areas of season, location, crop rotation, soil type and sampling depth must be
maintained for proper soil test interpretation. The depth of sample for surface
soils would be 0 to 6 inches.

Parameters:


The parameters necessary for soil analysis are:

Macronutrients:

pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS),
Total Nitrogen(N), Mineralizable Nitrogen, Organic matter(OM), Organic Carbon
(OC), Sodium(Na), Potassium(K), Calcium(Ca), Magnesium(Mg),
Phosphorous(P), Sulphur (S)

Micronutrients:

Boron(B), Iron(Fe), Copper(Cu), Zinc(Zn) and Manganese(Mn).


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