Bulygin S. Ju., Vitvits'kyj S. V., Timchenko D. O., Didenko V. I.
Pages: 5-11.

Full article: 

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Abstract

The purpose. To probe gears, dynamics and criteria of quantitative assessment of agrotechnical dusting as a component of daily blowing erosion of soils; to complete prospective calculations of possible losses of soil from blowing erosion in zone of the Northern Steppe of Ukraine on experimental plots depending on land forms, granulometric composition of top layer of soil, lumpiness, connectivity in view of protective effect of land protective belts. Methods. General scientific and special: field - for determination of losses of soil depending on speed of machine-tractor assembly unit, wind speed, rainfall amount; laboratory — for determination of lumpiness and pulverization of soil; mathematic-statistical - for determination of correlation between climatic, technological, genetic indexes of soils and deflationary losses. Results. Losses of soil is determined experimentally as a result of agrotechnical dusting, and formula is developed for their calculation. Optimum speed of machine-tractor assembly unit, as well as maps of agrotechnical dusting and potential wind-erosion losses of soils in Kharkiv oblast are determined. Conclusions. During machining the dynamics of lumpiness as one of main indexes of durability of soil to blowing may vary within the limits of 50% from initial. Lumpiness largely depends on production operation and speed of agricultural machinery. During field work which are connected to mechanical impact on soil it is not desirable to exceed the speed of machine-tractor assembly unit over 9,7 km/h, because of decrease of sprayed erosive corpuscles (<0,25 mm) and height of their spring (up to 2,5 m) during aggression by running apparatus and trailer gears. At speed of 12 km/h of agricultural machinery the height of spring of such corpuscles attains 8-9 m, and they are easily carried out by wind for limits of fields. At wind speed over 14 m/s field work in zone of the Northern Steppe and Left-bank Forest-steppe of Ukraine are absolutely not desirable, as losses of soil from agrotechnical dusting increase in some times.

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Key words: agrotechnical dusting, blowing erosion, rainfall amount, degraded, typical and ordinary chernozem.

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References

1. Bulyhin S.Iu., Timchenko D.O. (2002). Potentsiina nebezpeka defliatsii na ornykh zemliakh. [Potential danger of deflation on arable land]. Ahrokhimiia i gruntoznavstvo. No. 63. P. 86–90. [in Ukrainian].
2. Bulyhin S.Iu., Timchenko D.O., Didenko V.I. et al. (2002). Nebezpeka pravlennia vitrovoi erozii gruntiv. [Danger of wind erosion of soils]. Visnyk ahrarnoi nauky pivdennoho rehionu. No. 12. P. 56–60. [in Ukrainian].
3. Bulyhin S.Iu., Timchenko D.O. (2002). Do pytannia optymizatsii zvolozhennia gruntiv pry konturno-melioratyvnomu uporiadkuvanni terytorii. [On the optimization of soil moisture during contouring and reclamation of the territory]. Visnyk KhNAU im. V.V. Dokuchaieva. No. 1. P. 107–111. [in Ukrainian].
4. Sobolev S.S. (1961). Zashita pochv ot erozii i povyshenie ih plodorodiya. [Protection of soils from erosion and increase of their fertility]. Moskva: Izdatelstvo selskohozyajstvennoj literatury. 232 c. [in Russian].
5. Kalyanov K.S. (1975). Dinamika processov vetrovoj erozii pochv. [Dynamics of processes of wind erosion of soils]. Leningrad: Gidrometeoizdat. P. 2–39. [in Russian].
6. Bocharov A.P., Terpilovskij E.Yu. (2000). Issledovanie vozdejstviya mashinno-traktornogo agregata na verhnij sloj pochvy. [Investigation of the impact of the machine-tractor unit on the upper soil layer]. Mehanizaciya i elektrifikaciya selskogo hozyajstva. No. 8. P. 3–8. [in Russian].
7. Bulyhin S.Iu., Timchenko D.O., Didenko V.I. Polovyi eroziomir. Vynakhid. [Field Erozimeter. Invention]. No 2001096662 7 A01B13/16. [in Ukrainian].
8. Zubets M.V., Baliuk S.A., Medvediev V.V., Hrekov V.A. (2010). Stan gruntovoho pokryvu Ukrainy ta nevidkladni zakhody z yoho okhorony. [The state of the soil cover of Ukraine and urgent measures for its protection]. VIII zizd Ukr. tov. gruntoznav. ta ahrokhim. Kn. persha. Xarkiv: Miska drukarnia. P. 7–17. [in Ukrainian].
9. Laktionova T.N., Medvedev V.V., Savchenko K.V. et al. (2012). Baza dannyh «Svojstva pochv Ukrainy». Struktura i poryadok ispolzovaniya. 2-e. izd. [Database "Properties of soils of Ukraine". Structure and order of use. 2 edition]. Harkov: CT. No. 1. 150 p. [in Russian].
10. Pikovska O.V. (2015). Vplyv riznykh system obrobitku gruntu i udobrennia na strukturnyi stan chornozemu typovoho. [Influence of different systems of cultivation of soil and fertilizer on the structural state of typical black soil]. Naukovi dopovidi Natsionalnoho universytetu bioresursiv i pryrodokorystuvannia Ukrainy. No. 7. P. 23–25. [in Ukrainian].
11. Polyak A.Ya., Shupak A.D. (1974). Ekspluataciya mashinno-traktornyh agregatov na povyshennyh skorostyah. [Operation of machine-tractor units at higher speeds]. Moskva: Kolos. 304 p. [in Russian].
12. Holling C.S. (1973). Resilience and stability of ecological systems. Annualrev. in Ecologyand Systematics. V. 4. P. 1–23.