| 摘要 |
The invention relates to a cultivated-field spraying machine, on the basic machine of which, known per se, is fastened a tunnel-like encasing surface which surrounds the plants located in the effective circle of the spraying appliance and which forms a closed spray space. Connected to the lower edges of the encasing surface is a spray-fluid recovery unit which is connected to the spray-fluid tank of the basic machine. The cultivated-field spraying machine according to the invention makes it possible to reduce substantially the environmental pollution and the losses of chemicals during spraying and to carry out the spraying operation even in windy weather. |
