The price of agricultural land nationally will increase by 8% on average this year, underpinned by a strong dairy sector, SCSI auctioneers and valuers are forecasting. In a major new survey, auctioneer, and valuer members of the Society of Chartered Surveyors Ireland (SCSI), operating in the agricultural and rental markets, say they expect national rental prices to increase at an even higher rate - an average of 14%.