Abstract The paper aims to assess the use of various forms nitrogen fertilizers (seedbed dressing and foliar dressing) in barley cultivation steppe forest-steppe zones Omsk region. research objects were barley, fertilizers, ordinary chernozem, meadow chernozem. Variety – Sasha. most agronomic efficiency zone, 5.52 kg grain derived from 1 fertilizer nitrogen, was yielded response N 30 form ammon...

Nutritional conditions of plants during the growing season is one main factors aimed at realizing genetic potential sunflower hybrids for them in any soil and climatic conditions. Currently, it important to study domestic under different order identify their competitiveness, which provides an increase quality yield crop. The use production a significant range complex microfertilizers on backgro...