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If there is still liquid in the tank at the end of the field and the next field is to be sprayed with the same chemical, then in fact there is no problem. The tank is refilled and the work can be continued. However, if at the end of the day there is still liquid in the tank or if a different crop protection chemical has to be used, the residual liquid must be processed in a responsible manner.
The residual liquid can be diluted with clean water from the rinse tank as described in "Rinse Tank" in the
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section entitled "Operation of the Machine". The highly diluted solution may be sprayed over the field at an increased driving speed and reduced pressure. The overdosage is so small that the crop will usually not be affected.
If emptying (after dilution) is impracticable or not permitted, the residual (diluted) quantity of liquid must be drained. The rinsing water must be drained (see "Suction Unit" in the section entitled "Operation of the Machine") and stored in a separate tank.
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