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has been cited by the following article:

• TITLE: Preceding Crops Selection, Colza Seeding Norms and Dates Optimization in North Kazakhstan

  AUTHORS: Gulzhanar Shaihina, Abilzhan Husainov, Guldana Seitova, Gaziza Kaseinova, Aida Mausumbayeva

  KEYWORDS: Colza, Seeding Dates, Seeding Norms, Preceding Crops, Economic Efficiency

  JOURNAL NAME: Agricultural Sciences, Vol.5 No.14, December 16, 2014

  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.