Marenichenko M. Improvement of cultivation technology elements of corn hybrids and their parental forms in northern Steppe Ukraine

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U000855

Applicant for

Specialization

  • 06.01.09 - Рослинництво

09-02-2007

Specialized Academic Board

Д 08.353.01

State Institution Institute of Grain crops of NAAS of Ukraine

Essay

Object - elements of cultivation technology of corn hybrids and their female and male parental forms. Purpose - to establish the parameters of optimal plant density and levels of mineral nutrition. Methods - field experiences. Results - It is established, that the best yield was formed at plant density of 40-50 thousand/ha for hybrid Slavutych 271 MV, 40 thousand/ha for hybrid Dniprovs'kyj 309 MV. The optimum plant density for hybridization plots makes on 10 thousand/ha more. The best increase of yield has been received at entering N60P60K60.

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