Modern commodity sturgeon breeding is one of the
profitable and dynamically developing directions of
fish farming in the Russian Federation. Only the
system of Rosrybhoz has more than 40 enterprises of
different ownership forms for the cultivation of
sturgeons. In 2012, in agricultural farming of the
Russian Federation we had grown more than 2.0
thousand tons of sturgeon. Crucial role to maintain
normal functioning of the body of the fish when
grown in closed recirculation systems plays complete
and balanced nutrition. Proper organization of
biologically full feeding of fish helps to maximize
expression of their genetic potential. The article
presents the results of the researches of the efficiency
of using feed concentrate from vegetable raw
materials called "Sarepta" in the composition of feed
additives for 2-year old Russian sturgeons
In the article we have developed and studied feed additives in broiler diets based on natural montmorillonite varieties. Biological effect of Ekobentokorm additives due to their mineral composition and adsorption properties because of the big nano-pores and vitamin-mineral adsorption feed additive (WMACD), additionally, the effect has been included in its composition of biologically active substances. Effect of use of Ekobentokorm sorbent additives in feed for broilers and vitamin-mineral adsorption feed additives (WMACD) contributed to the increase of meat productivity, preservation of poultry, eating and feed conversion, the improving the carcasses
There was shown the perspective of variety-crab use as pollinators of apple-tree plantations. There were shown the economic characteristics of varieties-crabs (terms and length of pollen fertility etc.) There was made the selection of pollinators (crabs) and main industrial varieties for creation of monovarietal apple-tree plantations
The article is dedicated to the problem of sorghum use in the rations for agricultural animals and poultry. Grain sorghum, the nutritious properties of which are same or exceed those of maize, can be the major crop in the structure of combined fodder for poultry
USE OF NONTRADITIONAL FERTILIZERS IN CULTIVATION OF PLANTED SCOTCH PINES ON THE RECULTIVATED GROUNDS
The results of use of nontraditional organic fertilizers on the basis of wastewater sludges and sawdust in sand pits earth stabilization are considered. It was ascertained that a dose of introduced fertilizers has higher influence on hydrophysical and agrochemical properties of soils than shelf life of the fertilizers. A tendency of enhancing growth of intended purpose planted pines on the back of improvement of physical and chemical and biological properties of sandy soils, enrichment of species composition with grassland vegetation after nontraditional organic fertilizers treatment is revealed
The article shows a possibility of using neutralized
phosphogypsum as multicomponent fertilizer for rice
crops. In the system of rice fertilization replace of
150kg/ha of ammophos during main application with
40 kg/ha of carbamide and 4 tons/ha of phosphogypsum
applied in spring provides the same content of
available forms of nitrogen, phosphorus and potassium
in soil and plants as with application of
N120P80K60. Application of phosphogypsum in spring
before sowing is less effective than application in
autumn before plowing. When applicating phosphogypsum
in spring 2013 with a rate of 4 t / ha the
obtained yield was 0.57 t / ha or 8.98% higher than in
the control, and in 2014 it was not different from that
obtained with the application of solid mineral fertilizers
with a rate of N120P80K60. With autumn application
of phosphogypsum increase in yield in 2014 was
0.98 t / ha or 12.6%. Yield growth is the result of
increasing the survival of plants, grain content in
panicle and grain weight per plant. Use of neutralized
phosphogypsum is economically feasible. Relative
benefits of using phosphogypsum instead of phosphorus
fertilizer (ammonium phosphate) on rice
crops in the Federal State Unitary Enterprise SRSF
"Krasnoarmeyskiy" named after A.I.Maystrenko,
Krasnoarmeyskiy district of Krasnodar region at the
optimal rate amounted to 13139.7 rubles per 1 ha
Over the past 15 years due to removal with crops of
rice crop rotation, as well as with field waste and
seepage water content of mobile forms of boron in
soils of rice irrigation systems in the Krasnodar region
decreased by 10 %, cobalt by 14 %, manganese
by 10 %, copper by 7 %, molybdenum by 15 % zinc
by 6 %. Impoverishment of soil with calcium and
sulfur is observable. Need of using micronutrients for
this crop is also determined by lowering mobility of
most microelements in flooded soils. Partly this problem
can be solved by use of neutralized phosphogypsum
– waste product of wet-process phosphoric acid.
With its application in dose of 1 t/ha, field receives
265 kg of Ca, 215 kg of S (general) 20 kg of P2O5
and 9.8 kg of SiO2, so it compensates for the loss of
calcium from the rice soil, as well as solves the problem
of sulfur, silicon and partly phosphorus fertilizers.
Data showing possibility of use of neutralized
phosphogypsum as multicomponent fertilizer for rice
crops are given. Phosphogypsum reduces sparseness
of rice plants in ontogeny, thus forming a dense agrocenosis:
plant density is 24-25 pcs./m2 that is higher
than on application of N120P80K60. Plants with such
agricultural background by their height and leaf area
did not differ from control ones (N120P80K60), and
their dry weight was higher by 2-6 %. With fertilizer
system N120P80K60 application of 4 t/ha of phosphogypsum
during main fertilizer treatment provides
the same level of phosphorus content in the soil and
plants, as application of 100 kg/ha of ammophos.
Rice yield increases by 0,57 t/ha or 8,98 %. Yield
growth is the result of increasing survival capacity of
plants, seed setting of panicle and weight of grain per
plant
In Nizhny-Volzhsky Agricultural Research Institute
at Dubovskoye strong point, by hybridizing local
varieties with southern varieties, and by using
cultivated hybrids from free pollination, a number of
plum varieties combining winter hardiness with high
fruit quality have been introduced. The varieties
Volgograd, Bogatyrskaya and Vengerka
Korneevskaya are sorted, as well as a number of
other local Volga varieties obtained by
hybridization: Volga Blue, Summer Ternosly,
Autumn Ternon with the most adaptive introduced
varieties. These Volga varieties are donors of winter
hardiness. The environmental conditions of the
Lower Volga region contribute to the development
of adaptive genotypes that combine winter hardiness
with high fetal quality. The use of new varieties of
plums obtained in the Lower Volga region, in
crosses with the best varieties of plum, allows the
creation of industrial varieties of this crop
The article is dedicated to the problem of different fat additives use in the rations for agricultural animals and poultry
Problems of biometric evaluation of morphological features of clones for identification of variety group Merlo genotypes were considered in the paper.