Kovalenko A. Sunflower hybrids productivity depending on sowing terms and plant density in northern Steppe of Ukraine

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0405U001422

Thesis Registration Form

0405U001422.pdf

Applicant for

Specialization

  • 06.01.09 - Рослинництво

25-03-2005

Specialized Academic Board

Д 08.353.01

State Institution Institute of Grain crops of NAAS of Ukraine

Essay

Object - forming of sunflower hybrids productivity depending on sowing terms and plant density in northern Steppe of Ukraine. Purpose - to investigate influence of sowing terms and plant density on peculiarities of growth and development new sunflower hybrids Vizit,Noi, Mihail,Pogliad and variety Donskoi krupnosemiannyi. Methods - field and laboratories (physical and chemical) researches. Results - It has been established, that hybrids Mihail and Noi were most suitable for growing in northern Steppe of Ukraine under the condition optimal sowing term and plant density about 40-50 thousand per hectare.

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Files

aref.doc

dis.doc

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