Introduction 850
1. Review of the experimental and theoretical data 850
1. Midday depression 852
2. Photoperiodism 853
3. Oscillation of rate at the initiation of photosynthesis 854
2. The hypothesis of the self-oscillating mode of the dark reactions of photosynthesis 854
3. Kinetic equations of photosynthesis 855
4. A study of the kinetic equations 857
5. Interpretation of the results obtained 859
6. Conclusion and discussion of experimental possibilities 862
References 864