The article presents the data of the degree of allelopa-thy-optical activity of extracts from the aerial parts, roots and rhizosphere of weeds, which is manifested in the inhibition of germination of winter wheat. Rusty-negative balances of cockle and wild oats, containing cellulose and decomposing slower, depress the test-culture of winter wheat after mineralization within 30 days
In this work, the influence of 10 stimulators on occur-rence of roots in plants of green shanks of 14 types of stocks of fruit crops is shown. Types of preparations are allocated, at which qualitative root-stocks mate-rial for each investigated genotype in a hothouse with the mechanism forming a fog are received
The history of department of genetic, breed¬ing and seed growing is linked to develop¬ment of Kuban Agricultural Institute. The role of G.G. Guschin – the fourth chief of de¬partment and a famous scientist of breeding of rice is shown
The history of department of genetic, breed¬ing and seed growing is linked to develop¬ment of Kuban Agricultural Institute. The role of A.F. Buchinsky – the fifth chief of de¬partment and famous scientist of tobacco breeding is shown
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
The history of department of genetic, breed¬ing and seed-growing is linked with the develop¬ment of agronomic faculty of Kuban Agricultural Institute. There was shown the role of S.S. Zamotaylov - the sixth head of the department, scientist-geneticist, specialist in cytology, embryology, experimental haploidy, practical selection and V.V. Efremova- the seventh head of the department, well-known teacher in genetics, selection, seed-growing and variety breeding of field crops as well
The results of long-term researches of studying the influence of salinity and alkalinity of soils on growth and efficiency of arable crops are noted in the article. Multistage diagnostics and comparative estimation of salt-endurance of agricultural crops are noted
Application of studied probiotic preparations has allowed receiving 15-20 % more meat from examined animals in comparison with animals of control group. At comparison of groups, most productively application is Provagen probiotic
The article gives an account results of comparetic evaluate of same probiotics on intestinal biocenosis development of suckling piglets. It is establish, that investigated preparates enlarge the concentration of lacto- and biphidobacterium, and reduce the quantity of Escherichia coli group bacterium
Chin sativa grain yields on the black-earth soils in Rostov region are studied. Recommendations about applying of mineral fertilizers with symbiotic nitrogen fixation are given