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SOIL SAMPLING – PROCEDURES, METHODS, SOIL pH

Agricultural Science

SOIL SAMPLING – PROCEDURES, METHODS, SOIL pH & IMPORTANCE

INTRODUCTION

Refers to obtaining of small quantity of soil that is representative in all aspects of the entire farm.

Soil Sampling Procedures

The container carrying the sample should be properly labeled as follows:

Sites to Avoid

 

Methods of Soil Sampling

Zigzag method

Traverse method

 

Soil Testing

Soil testing is the analyzing of the soil sample to determine certain qualities of the soil.

 

Importance of Soil testing

To determine the value of the soil hence determine the crop to grow.

To determine the nutrient content hence find out the type of fertilizer to apply.

To determine whether it is necessary to modify the soil pH for a crop.

 

How Soil pH affects Crop Production

Influences the physical and chemical properties of the soil.

Affects the availability of nutrients.

Influences the incidences of soil borne diseases.

Determine the type of crop to be grown at a given area.

 

Methods of pH Testing

Universal indicator solution

pH meter

Know the course of action to be taken in the event of a disease and maintenance of good health.

Know the prevalent diseases.

Calculate the cost of treatment.

 

Marketing Records show commodities sold, quantities and value of all the sales.

Labour Records – show labour utilization and labour costs.

 

See also

scheme of work

vegetation

Propagation

STOCK EXCHANGE

CLASSIFICATION OF ANIMAL FEEDS

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