This article presents the results of the research of soil cultivation practices and the herbicide treatment ef-fect on the weed content in maize grain crop grown in the stepp conditions of the Krasnodar region. It has been determined that tillering soil with the Wil-Rich disc harrow at 10-12 cm depth is less effective than fall ploughing with a top layer turning-over, chisel and disc tillering combined with summer herbicide treatment. The latter give the advantage of less weeds and higher grain yield
In this article, the orderliness of the wheat plants phytomass increase has shown, observed until plants growth stopping time, which concurs with flowering ending. The discovered orderliness determinates the nitrogen, phosphorus and potassium (N, P, K) transfer dynamics. The mathematical model of N,P,K elements carrying out from roots - inhabited soil layer has been proposed
The review of the established high dependence of the soil micromycelium development on humidity and a temperature mode, the intensification of winter wheat cultivation technologies promoting the increase of both total mycoflora and the increase of anti-phytopathogenic capacity of a leached black soil is given
General characteristic of a productivity of laying-hens and a quality of table eggs is given in this article
The article reflects the results of experimental studies in heterosis breeding of corn. Defined the common (CCA) and specific (SCA) combining ability of the new material. Obtained the valuable inbreeding lines and testers of corn. The prospects are identified for the use of the selected material in heterosis breeding
The heterosis and inheritance coefficient research results among the first and the second generation hybrids which have been got from the linear and synthetic varieties of winter soft crossing are discussed in this article
The article reflects the results of experimental studies in heterosis breeding of corn. We defined the common (CCA) and specific (SCA) combining ability of the new material. We also obtained the valuable inbreeding lines and testers of corn, created based on these new hybrids. The final step was the evaluation of hybrids and calculation of economic efficiency of their implementation. As a result of the work, it was allocated the three hybrid combinations of corn and suggested to examine them in strain testing
The article compares the basic biotech properties of beef of new meat breeds and determines the potential of their use
The development of leaf spot pathogens (yellow leaf spot and septoria spot) has been studied in Belarus and North Caucasian Region of Russia. The resistant wheat cultivars to the pathogens have been revealed
The results of studying of growth, fattening and meat qualities of marketable grosses from large white, Landras and Dyurok breed crossing have been cited in the article. Optimum pig weight when early weaning was established