12

Epiphytic nitrogen fixation on deepwater rice

Year:
1981
Language:
english
File:
PDF, 894 KB
english, 1981
13

On the reversibility of heterocyst differentiation

Year:
1974
Language:
english
File:
PDF, 386 KB
english, 1974
14

Long fallow periods: The key to sustenance of soil fertility?

Year:
1991
Language:
english
File:
PDF, 375 KB
english, 1991
22

Tetrazolium reduction and nitrogenase activity in heterocystous blue-green algae

Year:
1972
Language:
english
File:
PDF, 994 KB
english, 1972
24

A simple apparatus for the continuous culture of photosynthetic micro-organisms

Year:
1973
Language:
english
File:
PDF, 360 KB
english, 1973