Methods of Soil Fertility Evaluation

Different Methods of Soil Fertility Evaluation are:

1. Biological Method:

a. Field trials

b. Pot culture

c. Neubauer seedling method

d. Aspergillus niger method.

2. Use of visual symptoms of nutrient deficiency or toxicity method.

3. Plant Analysis Method:

a. Total elemental analysis

b. Plant tissue tests

4. Soil Analysis Method:

Soil testing has been used by soil scientist as an aid in determining soil fertility level.

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