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EnglishThe work argues the importance of the contribution of the nature (through the availability of not economic resources - without market price) to the process of agricultural production. In the economic analysis of the agricultural activity, in experimental conditions, this contribution is considered only of the side of the income, being neglected in the calculation of the production costs that are based on spread sheets of costs having involved expenses with imputes, man power, machines and equipment. The referring costs to the services of the nature can indirectly be esteem, incorporating the costs the contribution of necessary the fixed factors of the country property to the exploitation of the beneficial ones of the nature. The article finishes presenting an example of as this contribution can minimum was measure. portuguesO trabalho discute a importância da contribuicao da natureza (atraves da disponibilidade de recursos nao economicos – sem preco de mercado) ao processo de producao agricola. Na analise economica da atividade agricola, em condicoes experimentais, essa contribuicao e considerada apenas do lado da receita, sendo negligenciada no calculo dos custos de producao que sao baseados em planilhas de custos envolvendo gastos com insumos, mao-de-obra, maquinas e equipamentos. Os custos referentes aos servicos da natureza podem ser indiretamente estimados, incorporando aos custos a contribuicao dos fatores fixos da propriedade rural necessarios ao aproveitamento dos beneficos da natureza. O artigo finaliza apresentando um exemplo de como essa contribuicao pode ser minimamente dimensionada.

O VALOR DOS SERVIÇOS DA NATUREZA NO CÁLCULO DOS CUSTOS DE PRODUÇÃO AGRÍCOLA