In the conditions of ordinary black-soil of West Caucasus region, efficacy of application of the Euro-Lightning herbicide in struggle with ambrosia artemisiifolia in crops of sunflower of the Sunay hybrid was studied
Such agrochemical and agrophysical properties of soils as base saturation degree, number of fine sand and dust fractions, as well as of physical clay limit the tea crop productivity in the Maykop region and in damp subtropics of Russia. Multiple regression models of their close influence on tea plantations productivity have been obtained
Results of three-years of examining the collection material of winter barley of different ecological-geographic origin are brought in this article. We have also allocated sources of high grain productivity, winter hardiness and precocity for further use in breeding programs
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
Soil bioassay and soil herbicide contamination are reviewed in this paper. The parameters for toxicity detection in soil and different test-systems are discussed
In the article, the technique of an estimation of reproductional qualities of boar- producers with developed by laboratory of development of theoretical bases of selection of animals of Don State Agrarian University selection indexes, is stated in detail. The approbation of the module of an index estimation of the program complex under production conditions of Shelonskiy state farm in Pskov area is carried out
The article analyzes the experience of zoning of
territory of the Bryansk region on the main factors of
erosion to select the measures to combat it. The
Bryansk region in its present borders, mainly
representing the middle course of the Desna river, has
been considered safe in relation to erosion. The
existing zoning is based on the quantitative
characteristics of the processes of erosion that
primarily allowed us to assess the scale of their impact
on nature and the region's economy. The erosion
zoning was performed on the basis of the map of
erosion-prone land. As a result of study and analysis of
all natural factors of erosion and land of the region
under study the regularities of distribution of land
erosion and intensity of spring rainfall and soil erosion
are detected. Under the leadership of Filin V. I., a
survey of the ravines of the region was conducted and
made the scheme of erosion zoning, according to
which the region is divided into three areas. It is
noteworthy Horinas E. V. research. When divided into
areas it was taken into consideration the need for each
of them specific actions to combat the causes and
consequences of erosion in relation to the peculiarities
of the latter in each district. According to the intensity
of the erosion processes and physico-geographical
zoning of the Bryansk region and the nature of
agricultural land use, specialists of the Bryansk branch
of the Institute "Rosgiprozem" produced erosion
zoning of the territory of the region, which highlighted
seven erosion regions. From the variety of methods for
zoning, the most appropriate in our view are created,
based on the estimated small-scale (medium-scale)
maps of erosion of land, capable of performing the
function diagrams of erosion zoning
Zoo engineering expediency of enzymatic agent utilization as part of combined fodder for pigs in their growing and finishing is studied
An important stage of breeding work on the development of new varieties is to test these varieties in the regions for which they are created. Optimum growing season is one of the adaptive properties of varieties, needed to cultivate them in certain circumstances
The article presents a comprehensive analysis of the components of the landscape square “Severny” in Voronezh; floristic, ecological, sanitary and hygienic and recreation assessment is given