@unpublished{orgprints5213,
           title = {Plant production and soil science research under research program for organic food and farming in Finland},
          author = {Arja Nyk\"anen and Kaija Hakala and Arja Halinen and Asko Hannukkala and Marjo Keskitalo and Anna-Maija Kirkkari and Ansa Paloj\"arvi and Kaisa Tolonen and Tiina Tontti},
            year = {2005},
        keywords = {potato, red clover, waste composts, meat-bone meal, soil quality testing},
             url = {http://orgprints.org/5213/},
        abstract = {In a three-year Research program of organic food and farming in Finland there are six projects under theme plant production and soil science. The projects focus on potato and red clover cultivation, waste composts and meat-bone meal as organic fertilizer and on-farm soil quality testing. Preliminary results are now available.}
}