Malo oyesera a nthambi ya Federal State Budgetary Institution "Rosselkhozcenter" ku Krasnoyarsk Territory pachaka amayesa chitetezo cha dothi la minda popempha minda. Zofunikira zazikulu pamtundu ndi chitetezo cha dothi zimayendetsedwa ndi SanPin 1.2.3685-21 "Miyezo yaukhondo ndi zofunikira zowonetsetsa kuti chitetezo ndi (kapena) kusavulaza kwazinthu zachilengedwe kwa anthu" cha Januware 28.01.2021, 3,4. Kuwongolera kwaukhondo kwa dothi lazaulimi ku Krasnoyarsk Territory kumaphatikizapo kugwiritsa ntchito mndandanda wazidziwitso zofufuzira: mitundu yayikulu komanso yam'manja yazitsulo zolemera ( lead, cadmium, zinki, mkuwa, faifi tambala, manganese, arsenic, mercury), XNUMX, XNUMX-benz (a) pyrene, pH ndi zomwe zili mu nayitrogeni wa nitrate (nitrates), komanso kuyang'ana nthaka kuti muwone kuchuluka kwa mankhwala ophera tizilombo ngati agwiritsidwa ntchito.
Kwa miyezi 8 ya 2022, labotale yoyesera idalandira zitsanzo 22 kuchokera kuminda ya mahekitala 4300. Malinga ndi zotsatira za maphunzirowa, palibe zopatuka paziwonetsero zotetezedwa zomwe zidadziwika (tebulo 1).
Table 1. Zizindikiro za chitetezo cha nthaka yaulimi
p / p | Chizindikiro | Malire amtengo wolandiridwa | Norm malinga ndi SanPin 1.2.3685-21 |
1 | Cadmium | 0,13-0,40 mg / kg | Osapitirira 2,0 mg / kg |
2 | Zitsogozo | 4,8-12 mg / kg | Osapitirira 130 mg / kg |
3 | Mkuwa | 14-22 mg / kg | Osapitirira 132 mg / kg |
4 | Zinc | 17-53 mg / kg | Osapitirira 220 mg / kg |
5 | Arsenic | 2,0-3,2 mg / kg | Osapitirira 10 mg / kg |
6 | Mercury | 0,14-0,46 mg / kg | Osapitirira 2,1 mg / kg |
8 | pH KCl | 5,8-6,1 magawo pH dothi pafupi ndi ndale | pafupi ndi ndale, ndale pHKCl > 5.5 wowawasa pH KCl < 5,5 |
9 | Benz (a) phula | Pansi pa 0,005 | Osapitirira 0,02 |
10 | Nayitrogeni wa nayitrogeni (nitrate) | 2,8-85,1 mg / kg | Osapitirira 130,0 |
Zitsanzo za dothi zimaperekedwa kuti ziwunikidwe m'nyengo yamasika musanafesedwe komanso m'dzinja mutakolola. Kuwongolera mkhalidwe wa nthaka ndikofunikira kuti zigwirizane ndi zofunikira za malamulo a Russian Federation, komanso kuyang'anira kusintha kwa nthaka yaulimi. dziko. Ngati kudziwika kwa kusintha kolakwika komwe kumachitika m'nthaka ya nthaka, malinga ndi zotsatira za maphunziro a labotale, opanga ulimi adzatha kutenga njira zofunika panthawi yake kuti ateteze nthaka yachonde ndi kulandira malo apamwamba kwambiri. ndi mbewu zotetezeka m'tsogolomu.