@article{Tulkubaeva2017the,
author={Tulkubaeva, S.A. and Vasin, V.G.},
title={THE DIRECT SOWING OF SPRING RAPE IN THE NORTHERN KAZAKHSTAN},
journal={Bulletin Samara State Agricultural Academy},
publisher={Samara State Agrarian University},
year={2017},
pages={10-14},
volume={2},
issue={2},
}