Pavlovs'ka T. Peculiarities of forming cenosis of weeds in the field crop rotations of the Right-bank forest-steppe of Ukraine in connection with the long-term aplication of various systems of soil cultivation and fertilizing

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0499U002440

Thesis Registration Form

0499U002440.pdf

Applicant for

Specialization

  • 06.01.01 - Загальне землеробство

22-09-1999

Specialized Academic Board

Д 27.361.01

THE NATIONAL ACADEMY OF AGRARIAN SCIENCES OF UKRAINE

Essay

Weeds, crop rotation, tillage, fertilizers, herbicides. Obtaining of data for agrophytocenosis control with the purpose of weed harmfulness decrease in it. (The methods) are generally accepted. The dependence of crop weediness changes in grain-tilled crop rotations when long-term using different tillage methods, fertilizer doses and herbicides is established. The introduction of combined soil tillage in crop rotation which decreases sugar beet weed infestation, improves economic indices of its growing. Primary soil cultivation, fertilizer doses and herbicides in grain-tilled crop rotations of the central part of the Ukrainian Forest-Steppe. Weed infestation decreases by 35-40 per cent, the crop productivity increases, energy resourses are saved by 20 per cent, profit makes up 85-100 hryvnias/ha. Agricultural production.

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