For citations:
Nelyubina Zh.S., Kasatkina N.I. Photosynthetic activity of a birds-foot trefoil depending on agronomic techniques of the Middle Urals. Agricultural Science Euro-North-East. 2018;67(6):96-101. (In Russ.) https://doi.org/10.30766/2072-9081.2018.67.6.96-101