Ngakhale kuti sulfure ndi yofunika kwambiri pakupanga zokolola, chinthu ichi sichinalandire chisamaliro choyenera nthawi zonse. Kwa zaka zambiri, kusowa kwa sulfure sikunavutitse alimi ambiri a mbatata.
M'mbuyomu, zinthu zokhala ndi mineralized organic matter ndi utsi wambiri wa sulphur unkapereka zosowa za mbewu. Pazaka 30 zapitazi, ndikudutsa kwa Clean Air Act, mpweya wa sulfure wachepetsa kupezeka kwake. Chowonadi ndi chakuti, pamodzi ndi nayitrogeni, phosphorous ndi potaziyamu, sulfure ndi michere yofunika kwambiri komanso yolepheretsa zokolola komanso mtundu wazinthu zaulimi.
Sulfure imatha kukhudza kwambiri ubwino ndi kuchuluka kwa ma tubers a mbatata. Ndi mankhwala ofunikira popanga ma amino acid, motero mapuloteni, ndipo amatha kukhudza kukula kwa tuber, mapangidwe amafuta, kukana matenda, komanso kupanga chlorophyll. Kafukufuku akuwonetsa kuti chinthu ichi chimakhudza kwambiri mphamvu yokoka, zinthu zowuma, shuga ndi wowuma, komanso kukula kwa tuber.
Popeza kusowa kwa sulfure pa nthawi iliyonse ya kukula kwa zomera kungayambitse kuchepa kwa zokolola, sulufule nthawi zonse imafunika - kuyambira kumera kwa mbande mpaka kumapeto kwa nyengo yakukula. Ndikofunika kuti mbewu zikhale ndi mwayi wa sulfure pamene zikufunikira kwambiri.
Ndi njala ya sulfure, nsonga zimayamba kusanduka zachikasu kuchokera pamwamba. Sulfure imayenda pang'onopang'ono kupyola muzotengera za mmera, kotero masamba ang'onoang'ono a mbatata samachotsa ku akale ndikusanduka achikasu nthawi yake isanakwane.
Sulfure imakhudzidwa ndi kaphatikizidwe ka amino acid methionine ndi cysteine, mavitamini B1 (thiamine) ndi B7 (biotin). Ngati ma tubers alibe sulfure, nayitrogeni yomwe imatengedwa kuchokera munthaka sisintha kukhala mapuloteni.
Mu mbatata zomwe zimakula pansi pa njala ya sulfure, zomwe zili mu nitrate zimawonjezeka ndi 22%. Wowuma zomwe zili mu tubers zimachepanso, kukoma kwawo kumawonongeka, ndipo zimapsa nthawi yayitali.
Zomera zimayamwa mbali ya sulfure kuchokera mumlengalenga: microelement ndi gawo la sulfure dioxide, yomwe imatulutsidwa mumlengalenga ndi makampani opanga mafakitale. Mvula ndi kusungunula madzi kumapangitsanso nthaka ya mbatata ndi sulfure. Mu toni ya feteleza organic (kompositi kapena humus) - pafupifupi 0,5 kg ya trace element.
Koma machitidwe amasonyeza kuti pakukula tani imodzi ya mbatata, 1-2 makilogalamu a microelement amafunikira. Zomera zimangotenga theka la mlingowu kuchokera mumlengalenga, mvula ndi madzi osungunula, ndi kompositi.
Polysulfate (0-0-14-19.2S-12.2Ca-3.6Mg) imachokera ku polyhalite (mineral mineral). Feteleza wamitundu yambiri ndi gwero la sulphate la potaziyamu wosungunuka, magnesium ndi calcium wokhala ndi chlorine yochepa.
Kutulutsa kwa polysulfate kumatanthawuza kuti michere inayi yofunika (S 19.2%, K 14%, Mg 3.6%, Ca 12.2%) yomwe ili mu granule iliyonse ipezeka ku mbatata panthawi yomwe ikufunika kwambiri, kuyambira chiyambi cha kukula kwa masamba. ku kukula kwa tuber.
Calcium mu feteleza imakhudza kapangidwe ka nthaka, komanso mawonekedwe a ma tubers a mbatata. M'nthaka kapena zokolola zothirira momwe madzi amatha kukhala vuto, kuwonjezera kashiamu m'nthaka kungathandize kubwezeretsa mchere wosungidwa. Polysulfate imagwiritsidwa ntchito musanabzalidwe, pakubzala kapena kupanga zitunda.
Pali mitundu itatu ikuluikulu ya feteleza wa sulfure.
- Sulfate-sulfure Feteleza amakhala ndi sulfure pamodzi ndi zakudya zina monga nayitrogeni kapena potaziyamu. Feteleza amapezeka mosavuta ku mbewu zolima, ndipo feteleza wa sulphate-sulfure amasungunuka msanga. Manyowa ambiri a sulphate-sulfure ndi granular ammonium sulfate (20-0-0-24, 21-0-0-24, 19-2-0-22).
- Ammonium sulfate ikhoza kusakanikirana ndi feteleza zina za granular, koma ziyenera kutengedwa kuti chikhalidwe chake chimalola kuti chisakanizocho chikhale chofanana.
- Potaziyamu sulphate (0-0-50-18 ndi mankhwala ena) imapezekanso ndipo imagwira ntchito bwino ku nyemba monga nyemba.
Palinso feteleza ena omwe amakhala ndi sulfure sulphate wochuluka, mwina wosakaniza kapena wamalonda.
- sulfure woyambira. Manyowa a granular (kuyambira 0-0-0-90 mpaka 99), okhala ndi sulfure 90 mpaka 99% mu mawonekedwe oyambira. Sizingagwiritsidwe ntchito mwachindunji ndi zomera. Choyamba, ayenera kutembenuzidwa ndi nthaka tizilombo.
Feteleza wokhala ndi sulfure mu mawonekedwe a thiosulfate, monga madzi ammonium thiosulfate (12-0-0-26) ndi 15-0-0-20 ayeneranso oxidized ndi tizilombo m'nthaka kuti sulfate mawonekedwe. Feteleza atha kuthiridwa musanabzale, mkati kapena mutabzala. Komabe, akagwiritsidwa ntchito pamasamba, amatha kuyaka.
ndowe za nyama angapereke zomera ndi sulfure pamodzi ndi zakudya zina, koma zili m'munsimu ndi bwino ndi zakudya zina ayenera anatsimikiza ntchito kusanthula wapadera. Mwachitsanzo, ma slurries ena a nkhumba amakhala ochepa mu sulfure yomwe ilipo poyerekeza ndi nitrogen.