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BS 6978-2:1990

Current

Current

The latest, up-to-date edition.

Seed drills Methods of test for seed drills for rows

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-1990

Committees responsible
National foreword
Method
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. General test conditions
5. Mandatory tests
6. Test procedure
7. Results
8. Test report
Annexes
A. Programming of mandatory tests
B. Optional tests
C. Example of test report on a seed drill for sowing
    in lines

Test method for seed drills for sowing in lines, including seed drills attached to a basic machine.

Committee
AGE/32
DevelopmentNote
Also numbered as ISO 7256-2 (09/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current

This part of ISO 7256 specifies a test method for seed drills for sowing in lines, including seed drills attached to a basic machine.

The test method permits the determination of performance using reproducible tests so that comparable results in numerical or graphical form which take into account the influence of the following can be obtained:

  • type of seed;
  • the forward speed;
  • the level of seed in the hopper;
  • the application rate adjustment;
  • the slope of the ground;
  • the condition of the soil surface (bumps).

Optional tests (see Annex B) may supplement the test method by taking into account the effects of products used for treatment and distribution on the sowing site.

The mandatory tests do not give any picture of the true distribution of the seeds on the sowing site.

NOTE Part 1 of ISO 7256 deals with single seed drills (precision drills). (See ISO 3339-0 for the classification.)

ISO 7424:1982 Agricultural equipment Matching of wheeled tractors and rear mounted implements Code numbering system
ISO 5698:1979 Agricultural machinery — Hoppers — Manual loading height
BS 6978-1:1988 Seed drills Methods of test for single seed drills
BS 4778-2:1979 Quality vocabulary National terms
BS 5532-1:1978 Statistical terminology Glossary of terms relating to probability and general terms relating to statistics
ISO 3339-0:1986 Tractors and machinery for agriculture and forestry — Classification and terminology — Part 0: Classification system and classification
ISO 5699:1979 Agricultural machines, implements and equipment Dimensions for mechanical loading with bulk goods

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