Abstract
Colza is a relatively new crop for North Kazakhstan. The increase of colza seeds production is restricted by its cultivation technology imperfection. Empiric model of colza for seeds cultivation is designed, allowing using its maximum potential. It was found out that correct preceding crops selection, optimization of norms and dates of colza seeding provide seeds heavy weight crops, reducing crops production cost and increasing cost efficiency at 62% average.
Highlights
Colza plays an important economic role for North Kazakhstan as oil-bearing and feeding crop
Colza processing for seeds in North Kazakhstan conditions is restricted by its cultivating technology imperfection. To solve this problem we have studied preceding crops influence in crops rotation system, dates and norms of colza seeding for colza seeds crops producing power
Productive potential of Maibulak sort colza was determined for the first time for the conditions of North Kazakhstan depending on seeding dates and norms and preceding crop in crops rotation system
Summary
Colza plays an important economic role for North Kazakhstan as oil-bearing and feeding crop. Colza crops in steppe farming agriculture could be used for soil protection from water and wind erosion, for green manure management, struggle with weed vegetation. It is a good preceding crop for most agricultural crops in crop rotation system. Cereal and feeding crops have been cultivated here since the 90s of the twentieth century, grain steam and grain hoed crop rotations were introduced and assimilated [2] Not typical for this region crops (colza) appeared in the mid 80s of the twentieth century, but it was used as a feeding crop for green food [3]. Productive potential of Maibulak sort colza was determined for the first time for the conditions of North Kazakhstan depending on seeding dates and norms and preceding crop in crops rotation system. Optimal combination of colza cultivation was determines, the use of which allows to increase crop productivity up to 0.8 - 1.0 tons/ha and provide the level of cost efficiency at 62% average
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