The article presents results of studying the total content and the forms of Nickel in the Western Caucasus leached Chernozem at three rotations of 11-fild grain-grass-arable crop rotation. The Nickel content in the soil is close to its Clark (40 mg/kg) and significantly lower than UEC (80 mg/kg). Scientifically based system for fertilizing crop rotation does not lead to the accumulation of Nickel in the soil, but creates the conditions for increasing its mobility. In the future, we may experience the need of the inclusion of Nickel into the system of fertilization of crops grown on leached Chernozem. The Nickel content in the leached Chernozem before development of crop rotation was generally close to Clark soils of the world (40 mg/kg) and significantly lower than UEC (80 mg/kg), which favors the production of high quality produce. After three rotations of the crop rotation without using fertilizers, the total content of Nickel and acid-insoluble form in the soil decreased slightly, but the number of the element extracted with both buffer and acid extractor, increased insignificantly. The decrease of the total content of Nickel and its reserve (acid-insoluble) fund in the soil we explain with the annual exclusion of the element with harvests crops from the fields, and the trend of increasing mobile and acid-soluble - mineralization of humus followed by acidification of the soil. Systematic mineral fertilization on field crop rotation was slightly up for the Nickel fund of the soil, but did not ensure the recovery of the initial level. At the same time, at fertilize crop rotation we observed a clear trend of increasing the number of rolling and acid-soluble Nickel. If we consider that the value of the MPC for moving Nickel is equal to 6 mg/kg, these changes may not have any negative environmental impacts, but rather will encourage the use of this ultra-microelement by plants
Remineralization of leached black soil was carried out by making such rocks as loess-like loam, shell limestone, apatite phosphogypsum. It was revealed, that the introduction of species did not change substantially the content of boron during the growing season. The manganese content in relation to the control increased by 13-15%, 25-30% for copper, zinc, 35-45%, 25-30% cobalt, and molybdenum in 2-3 times, and especially when combined application of rock. Seasonal dynamics was expressed, but does not give definite pattern
The analytical description of the change of the temperature distribution in the container for planting during time has been created. The analytical formula is derived by the way of mathematical processing of the experimental data of the temperature distribution on the surface of the container and inside the sub-strate
The researches have been carried out on hogs of Steppe type (ST) of fast-ripening meat breed (FM – 1), large white breed (LW) and their cross-breeds ST*LW, LW*ST. Researches showed that gilts LW excelled the patterns of PSE – port in pH. NOR – port, in its turn, was distinguished by higher contents of components composing dry and organic matter. The superiority of cross-bred hogs ST*LW over LW*ST according to the quantity of triptofan in pork was determined. The analysis of physic-chemical properties of fat has shown, that gilts of Steppe type with PSE – pork were distinguished by lowered to of fat melting and increased iodine quantity against NOR – quality pork
This article discusses the adaptive nature of the correlations between the elements and sub-elements of the productivity of main spike of the F1, and F2 hybrids, constant breeding lines (F3, F4) and parental varieties. We have shown the possibility to determine the individual components of spike productivity with a selective advantage in the selection of winter wheat on the adaptability and efficiency in the conditions of the region
With the possible radioactive contamination of the
territory, as a result of emergency situations at
enterprises of the nuclear fuel cycle, there occurs a
task of further use of the soil for agricultural purposes.
Researches on the cultivation on contaminated areas of
fruit plants in the conditions of the Krasnodar region
were not carried out. As a result of the experiment in
the field we received experimental material on
migration and 90Sr accumulation in vegetative and
generative organs of cherry-plum. Research lasted for
8 years. The accumulation of 90Sr, placed on the
surface of the soil, in the bark, wood, leaves, and fruit
was 7,0×102
; 4,8×102
; 9,7×102
and 1.8 ×102Bq/kg.
With the penetration of 90Sr in soil at 50 cm
accumulation in the bark, wood, leaves, and fruit were:
5,1×102
; 3,0×102
; 6,9×102
; 1,4×102Bq/kg. The
experimental material obtained in the field makes it
possible to calculate the coefficients of the nuclide
transition from polluted soil to the various organs of
the studied plant and to make a forecast of the possible
use of contaminated areas for the cultivation of fruit
crops. Radioactive contaminated areas cannot be left
without proper control, since, firstly, non-planted
fields are exposed to wind and water erosion of soils,
which leads to rapid and large-scale pollution of the
environment and, secondly, if it is possible to obtain
products from such fields, this should be done for
economic reasons
In this article tendencies of vegetable production manufacturing in all categories of facilities of Krasnodar region are analyzed. Problems of increasing of an overall performance of agrarian and industrial complex are proved.
The work on the development of technology for production of feed additives from soybean seeds and fruits of pumpkin has shown that the use of sodium bisulfate and lactic acid bacteria provide a high content of carotene in pumpkin paste (948 mg / kg and 819 mg / kg, respectively), and grinding soy before drying protein and vitamin supplements raises safety of carotene without destroying the urease
The application of bioactive preparations during taking root of green cuttings conifers family of Cupressaceae has been described in this article. Longstanding experiments of growing planting stock with open and closed roots have been realized. Increase of taking
root, apical growth and development of root’s system by positive influence of preparations has been shown
The article substantiates the necessity of the use of the whole complex of the zonal agricultural activities as the most important components of the integrated protection of plants from weeds, pests and diseases, strict observance of which contributes not only to a substantial increase in biomass sweet sorghum, but also the cultivation of certified seeds free from the infection