Plant growth substances
Audus, L J
Plant growth substances - London: Leonard Hill Limited, 1959 - xxii, 553p. - Plant science monographs .
Plant regulators
Plant growth inhibiting substances Growth factors
581.1 / J9
Plant growth substances - London: Leonard Hill Limited, 1959 - xxii, 553p. - Plant science monographs .
Plant regulators
Plant growth inhibiting substances Growth factors
581.1 / J9