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Definition and Classification of seed samples
Definition of seed sampling
Sampling is the procedure of selecting a fraction of total population, about which information is needed to represent that population.
The method of taking a sample is called sampling.
Types/Classification of seed sample:
Types of seed sample-
1. Primary sample
2. Composite sample
3. Submitted sample
4. Working sample
1. Primary sample:
A primary sample is a small portion taken at random from different portions in the lot with an object to form a composite sample.
OR, The sample which is taken from different bulk seed lot is called primary sample.
2. Composite sample
3. Submitted sample
4. Working sample
1. Primary sample:
A primary sample is a small portion taken at random from different portions in the lot with an object to form a composite sample.
OR, The sample which is taken from different bulk seed lot is called primary sample.
2. Composite sample:
A composite sample is formed combining and mixing all the primary samples taken from a lot and a part of this sample is sent to the laboratory for testing.
A composite sample is formed combining and mixing all the primary samples taken from a lot and a part of this sample is sent to the laboratory for testing.
3. Submitted sample:
When the sample is submitted to laboratory for analysis is called submitted sample.
When the sample is submitted to laboratory for analysis is called submitted sample.
4. Working sample:
The working sample is a sample taken from the submitted sample in the laboratory on which one of the test is made.
OR, When the sample reaches to the laboratory must be divided into arise and content that can be analyzed. The later sample is used for the actual analysis/test is called working sample.
The working sample is a sample taken from the submitted sample in the laboratory on which one of the test is made.
OR, When the sample reaches to the laboratory must be divided into arise and content that can be analyzed. The later sample is used for the actual analysis/test is called working sample.
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