Variation in needle retention of scots pine in relation to leaf morphology, nitrogen conservation and tree age /
Pensa, Margus
Variation in needle retention of scots pine in relation to leaf morphology, nitrogen conservation and tree age / M. Pensa. - Tartu : Tartu Univ. Press, 2003. - 109 p. ill. - Diss. Biol. Univ. Tartuensis; 77 .
Includes bibliogr. references
9985-56-745-5
Biology
Plant ecology
Variation in needle retention of scots pine in relation to leaf morphology, nitrogen conservation and tree age / M. Pensa. - Tartu : Tartu Univ. Press, 2003. - 109 p. ill. - Diss. Biol. Univ. Tartuensis; 77 .
Includes bibliogr. references
9985-56-745-5
Biology
Plant ecology