Abstract

To reduce the accumulation of toxic substances in tubers in 2014–2016 the author studied biological methods of fertilizers application and plant protection in black earth forest-steppe region under the conditions of high-intensity potato cultivation technology along with drip irrigation. The introduction describes the importance of potato in the diet of population and lists the environmental issues that arise as a result of enhanced using of chemicals during crop cultivation. The doses of mineral fertilizers in experiments were introduced separately and in combination with a bioameliorant: 1) without fertilizers (control site); 2) N60P90K60; 3) N90P135K90; 4) N120P180K120; 5) biological ameliorant – white mustard, post-harvest green manure; 6) bioameliorant + N60P90K60; 7) bioameliorant + N90P135K90; 8) bioameliorant + N120P180K120. Chemical insecticide Aktara and biological preparations Fitoverm, Akarin were used to protect potatoes against Colorado potato beetles. Insecto-fungicide Celest was used to treat seed tubers against fungal diseases. During growing season the author used fungicides Profit Gold, Ridomil Gold against fungal diseases, against weeds – Zenkor and Remus. High yield of potato environmentally friendly considering nitrates was obtained by means of simultaneous application of N90P135K90 and white mustard green mass. Tuber yield was 40.4 tonnes per hectare compared to 22.7 tonnes per hectare on the control site, and nitrate content was 111.3 mg while maximum permissible concentration (MPC) is 250 mg/kg. According to MPC established in the Russian Federation, for childrenʼs and dietary nutrition fertilizer dose should not exceed N60P90K60 in combination with a bioameliorant and a biological plant protection system. Safety interval (period between plant treatment and harvesting) for chemical insecticides is 35–40 days; fungicides – 20 days; herbicides (depending on their type) – 55–70 days. The production of ecologically clean potato according to EU standards was achieved only by means of using post-harvest green manure as a fertilizer, applying biological insecticides and Celest preparation within the framework of protecting plants against pests and diseases.

Keywords

Potato, biological methods, irrigation, pesticides, nitrates, ecologically safe products

REFERENCES

1. Barannikov V.D., Kirillov N.K. Ekologicheskaya bezopasnost’ sel’skokhozyaystvennoy produktsii [Ecological safety of agricultural products]. Moscow: KolosS Publ., 2005. 350 p.
2. Butov A.V. Resursosberegayushhaya tekhnologiya vozdelyvaniya kartofelya [Resource-saving potato cultivation technology]. Yelets: EGU im. I.A. Bunina Publ., 2009. 447 p.
3. Damodaran S.H., Tarkin K.L., Fennema O.R. eds. Fennemaʼs Food Chemistry. 4th ed. Boca Raton, CRC Press, Taylor & Francis Group. 1144 p. (Russ. ed.: Khimiya pishhevykh produktov. St.Petersburg, Professiya Publ., 2012. 1040 p.).
4. Dospekhov B.A. Metodika polevogo opyta (s osnovami statisticheskoy obrabotki rezul’tatov issledovaniy) [Field plot technique (with basics of research results statistical processing)]. Moscow: Kniga po Trebovaniyu Publ., 2012. 352 p.
5. Esaulko A.N., Sigoda M.S., Novoselov A.M., et al. Sovremennyye udobreniya i polucheniye vysokikh urozhayev ekologicheski chistogo kartofelya na chernozeme vyshchelochennom [Modern fertilizers and high yields of ecologically clean potato on leached chernozem]. Vestnik APK Stavropol’ya [Agricultural Bulletin of Stavropol Region], 2013, no. 4(12), pp. 26–30.
6. Kaplin V.G. Osnovy ekotoksikologii [Basics of ecotoxicology]. Moscow: KolosS Publ., 2007. 232 p.
7. Korshunov A.V. Agrotekhnicheskie i kulinarnye sposoby snizheniya soderzhaniya nitratov v klubnyakh kartofelya [Agrotechnical and culinary ways of reducing nitrate content in potato tubers]. Sbornik nauchnykh trudov VNIIKKH “Kartofelevodstvo: istoriya razvitiya i rezul’taty nauchnykh issledovaniy po kul’ture kartofelyaˮ [Collection scientific papers of the Lorch Potato Research Institute “Potato growing: history and results of research devoted to potato crop scientific studyˮ], 2015, pp. 74–79.
8. Korshunov A.V. Upravleniye urozhayem i kachestvom kartofelya [Potato yield and quality management]. Moscow: VNIIKH Publ., 2001. 369 p.
9. Loginov Yu.P., Kazak A.A., Yakubyshina L.I. Osobennosti vyrashchivaniya ekologicheski chistogo kartofelya v Severnoy lesostepnoy zone Tyumenskoy oblasti [Features of cultivation of organic potatoes in the Northern forest-steppe zone of the Tyumen region]. Vestnik GAU Severnogo Zaural’ya [Vestnik of State Agrarian University of Northern Zauralye], 2015, no. 2(29), pp. 116–125.
10. Mineev V.G. ed. Praktikum po agrokhimii [Practical course in agricultural chemistry]. Moscow: Izdatelstvo Moskovskogo universiteta Publ., 2001. 689 p.
11. TR TS 021/2011. O bezopasnosti pishchevoy produktsii [Technical Regulations of the Customs Union 021/2011. On Food Safety]. Moscow, Standartinform Publ., 2011.
12. Rogov I.A., Antipova L.V., Dunchenko N.I. Khimiya pishhi [Food Chemistry]. Moscow: KolosS Publ., 2007. 853 p.
13. SanPiN 2.3.2.1078-01. Gigienicheskie trebovaniya bezopasnosti i pishchevoy tsennosti pishchevykh produktov [Hygienic requirements for safety and nutritional value of food products]. Available at: http://www.consultant.ru. (accessed 16 September 2017).
14. Sokolov M.S., Ugryumov E.P. eds. Proizvodstvo ekologicheski bezopasnoy produktsii rasteniyevodstva [Production of ecologically safe plant products]. Pushhino: VNIIBZR Publ., 1995, iss. 1. 411 p.
15. Spravochnik pestitsidov i agrokhimikatov, razreshennykh k primeneniyu na territorii Rossiyskoy Federatsii [Reference book on pesticides and agrochemicals approved for use on the territory of the Russian Federation]. Moscow: Agrorus Publ., 2014. 772 p.
16. Filippova S., Fadeeva M., Mutikov V. Integrirovannaya sistema zashchity kartofelya ot sornyakov, bolezney i vrediteley [Integrated system for protection of potato against weeds, diseases and pests]. Glavnyy agronom [Chief agronomist], 2011, no 4, pp. 33–36.
17. Chernikov V.A., Sokolov O.A. Ekologicheski bezopasnaya produktsiya [Ecologically safe products]. Moscow: KolosS Publ., 2009. 440 p.