Der Agrarexperte hatte empfohlen , dass die Felder per Regenkanal bewässert werden sollten , und tatsächlich hat dann auch ‘n Regenkanal jedes Feld bewässert .
the agriculture.expert had recommended that the fields via open.canal irrigated be should, and in.fact has then also a open.canal every field irrigated . 
The agriculture expert had recommended that the fields should be irrigated through open canals, and then, in fact, an open canal irrigated every field.