NEN EN 13739-2 : 2011 C2 2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
   4.1 Machine for test
   4.2 Test materials
   4.3 Application rates
5 Test equipment
   5.1 Accuracy in weighing measurements
   5.2 Devices for receiving fertilizer for transverse
        distribution
   5.3 Test site
   5.4 Handling of test materials during the tests
6 Test methods
   6.1 Contact with obstacles
   6.2 Estimation of hopper volume - Checking of the
        spillage
   6.3 Adjustment of flow rate
   6.4 Reduced working width or throwing width
   6.5 Flow rate regulation system, when available
        (see example in Figure 1)
   6.6 Evenness of transversal distribution
   6.7 Evenness of transverse distribution near the field
        edge
   6.8 Evenness of transverse distribution when spreading
        with equipment for top-dressing
   6.9 Deviation of the obtained flow rate from the intended
        flow rate
   6.10 Evenness of obtained flow rate
7 Calculation and presentation of test results
   7.1 Transverse distribution
   7.2 Flow rate
8 Test report
Annex A (normative) Determination and specification of
        physical properties of test materials
Annex B (informative) Example of a fertilizer - collecting
        container
Annex C (informative) Example of a test report
Bibliography

Defines methods to test mounted, trailed and self-propelled broadcasters and full width solid fertilizer distributors used in agriculture and horticulture.