Read the following context and answer the question.
Context: The reality is that we live on the farm , we 're there everyday , you do n't want to be spraying with insecticides and pesticides . We 'll farm about three - quarters of the property without herbicides . We have got some topography issues where some of the vines are planted and we ca n't get away with not using herbicides right now . We ' ve tried mulching .
Question: Why may the farmer be having some issues ?
Answer:


They do n't use pesticide .