[Early tests for estimating the growth of Pinus nigra Arn.]

accrescimento adn analisi statistica analyse statistique austria autriche azote azoto biologia forestale bois calabre calabria carbon carbone carbonio carbono crecimiento croissance diagnosi diagnosis diagnostic dna esperimenti experimentation experimentos experiments forestry biology graine growth legno madera nitrogen peat pinus nigra seeds seme semilla statistical analysis torba tourbe turba turchia turkey turquia turquie wood