agricultural feldspritze with at least one fl u00fcssigkeitstank (1), at least one pump (2) with at least one inlet, at least one of at least a druckregelventil (4) dosierarmatur inflation, at least one of the fl u00fcssigkeitstank (1) soviet r u00fccklaufleitung (15) and the a indest in several spritzleitungen (77) and at least one of a verzweigenden on-board computer (17) adjustable dosierarmatur (delivery pipe, and the spritzleitungen each ausbringd u00fcsen lead a verteilergest u00e4nges and hydration to the ausbringd u00fcsen on the spritzleitungen arranged. nd of a abschalteinrichtung (5.6), preferably of the on-board computer on line isbet u00e4tigbaren abschaltventilelementen on and off.in particular, for the einsatzzyklen, in which several or all of the spritzleitungen teilbreiten be turned on or off, an improved handling of the attitude of the fl u00fcssigkeitsstromes building is plannedthat of the delivery pipe (9) between the druckregelventil and abschaltventilelementen one in the line and / or the fl u00fcssigkeitstank abzweigleitung professionals through that in the abzweigleitung (20) to u00f6ffnendes and closing and the on-board computer and / or the air establishment of ansteuerbares shut-off valve is arrangedin durchflussrichtung (23) after the shut-off valve (21), preferably druckbegrenzungsventil screen is arranged.