Photosynthetic potential and productivity of annual mixed crops in Northern Kazakhstan.

Baitelenova, A., Stybayev, G., Serekpayev, N., Mukhanov, N., Amantaev, B., Kurbanbayev, A., Yancheva, H., (2021). Bulgarian Journal of Agricultural Science 27(Suppl. 1), 85-94. Agricultural Academy of Bulgaria, Sofia, Bulgaria. English language