Plant harvesters must satisfy certain requirements by quality and commercial aspects. Therefore it is often subject to compliance, in the farms which bear certain inputs. Currently these inputs is reflected in depersonalized, along with the basic consumption of annual or perennial plant growing. But this approach is questionable because compliance related consumption occurring after separation of biologically active products and therefore does not relate to plant growing. Therefore the article proposes to open the account 811 „Core activities” an additional sub Conditioning harvest. In this subflow to be reflected in consumption related to compliance and cost of field crop input provided and the cost of credit-quality products and various wastes.