Seasonal development of boreal cereals

The issues of seasonal development of boral cereals are considered in the article. These issues include the rhythm of cereals development on seeded land, the peculiarities of leafe surface formation, the peculiarities of development of renewal buds, the rhythm of vegetative and generative phases, the duration of active vegetation and rest. In describing particular issues of seasonal development of cereals, the works of home and foreign authors are widely used.