Photoperiodism the biological calendar

The flowering response of the rice plant to photoperiod a review of the literature מאת Vergara, B. S.

Effects of photoperiodism of the chlorophyll content and leaf ultrastructure in the winged bean Psophocarpus tetragonolobus(L.) DC. מאת Tabbada, Reynaldo A., Flores, Ma. Agnes A.

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The flowering response of the rice plant to photoperiod a review of the literature מאת Vergara, B. S., Chang, T.T

The flowering response of the rice plant to photoperiod a review of the literature מאת Vergara, B. S.

The flowering response of the rice plant to photoperiod a review of the literature מאת Vergara, B. S.

The flowering response of the rice plant to photoperiod a review of the literature מאת Vergara, B. S.

Insect photoperiodism מאת Beck, Stanley D.

Animal photoperiodism; relationship of daylength to animal growth, development, and behavior. מאת Beck, Stanley D.

Effect of temperature and photoperiod on ovarian recrudescence and maintenance of vitellogenic oocytes in the catfish, Clairias macrocephalus Gunther מאת Pacoli, Cecily S. Quebral