Abacwaningi baseTomsk Polytechnic University bathuthukisa ubuchwepheshe bokuthola umanyolo wamaminerali ngokulungisa amaminerali obumba i-glauconite ne-smectite, kubika iwebhusayithi esemthethweni yenyuvesi.
Ama-fertilizer ahlakaniphile athuthukisiwe ahambisana nemvelo, ayasebenza uma efakwe emhlabathini futhi anomphumela "ohlosiwe". Ngaphambilini, ososayensi baye bafakazela ukuthi kungenzeka ukusebenzisa ama-nanocomposites amaminerali asekelwe ekuxubeni kwezakhi zendabuko ezine-glauconite ne-smectite njengezithasiselo ezingezona zendabuko. Manje bafuna izindlela ezingcono kakhulu zokwethula izingxenye eziwusizo esakhiweni sekristalu samaminerali ukwandisa ukusebenza kahle komanyolo ohlakaniphile.
Ucwaningo lwe-glauconite ne-smectite njengezinto eziwusizo embonini yezolimo lwenziwe ngochwepheshe abavela eSikoleni Sezobunjiniyela Bezemvelo i-TPU iminyaka eyisishiyagalombili. Lokhu kwaholela ekwakhiweni kwesiqondiso esisha sesayensi emkhakheni wezinhlobo ezingezona zendabuko zomanyolo wamaminerali, osekelwe endleleni ye-interdisciplinary ekusetshenzisweni kwezinto zobumba kwezolimo.
“Ucwaningo nge-glauconite ne-smectite njengesisekelo somanyolo oyinhlanganisela luyathembisa kakhulu. I-Gluaconite inokuqukethwe okuphezulu kwe-potassium, futhi ngokungeza i-nitrogen ne-phosphorus kuyo, amaminerali angatholakala aqukethe izakhi ezintathu eziyinhloko zokukhula nokukhula kwezitshalo. Impahla ebalulekile yamaminerali amaningi obumba yikhono labo elihle lokuvuvukala, elingahlinzeka ngekhwalithi ephezulu ye-encapsulation yezakhi ezakhiweni zabo. Ngenxa yalokhu, umquba "ohlakaniphile", ngokungafani nowendabuko, awuholeli ekweqiseni kwezinhlanganisela ze-nitrogen ezithinta kabi imvelo. Okusho ukuthi, bavumelana kakhulu nemvelo,” kuchaza uMaxim Rudmin, UProfesa Ohlangene woMnyango Wezokwakheka komhlaba e-TPU.
Ukuthola umanyolo ohlakaniphile, indlela yokuvula yayisetshenziswa ezigayweni ezihlukahlukene. Phakathi nocwaningo, ososayensi bakhethe imingcele efanelekile yesilinganiso samaminerali nezakhi, kanye nesikhathi nohlobo lokuqalisa ukuze bathole izinhlanganisela ezinezakhiwo ezidingekayo.
“Sabheka i-glauconite ngokuyinhloko njengomthombo we-potassium ezitshalweni. Indlela ehlukile ye-granular ye-mineral inomthelela ekuthuthukisweni kwezakhiwo zomzimba zemishini kanye ne-physico-chemical yomhlabathi. Ikakhulukazi, lokhu kugwema ukwanda kobumba lwayo. I-Smectite iyi-mineral emunca umswakama, ukuguqulwa kwayo kuzokwandisa "ukumuncwa" kwezakhi zokulethwa kwezitshalo ngaphandle kokuwohloka kwezakhiwo zokuhlunga zenhlabathi. Ukuze wenze lokhu, udinga ukusebenzisana ne-morphology yamaminerali. Ngasikhathi sinye, kubalulekile ukwenza isiqiniseko sokuthi lapho izakhi eziwusizo zifakwa esakhiweni sekristalu yamaminerali, ayiwi, "kusho uMaxim Rudmin.
Kucatshangwa ukuthi umanyolo "ohlakaniphile" oshintshiwe uzoba nezinga elilawulwayo lokukhululwa kwe-nitrogen.
Njengengxenye yocwaningo, kuphinde kuhlelwe ukuhlonza nokuhlola izimiso zamazinga amaningi zokwenziwa komanyolo osebenza ngezinto eziningi ovela ku-glauconite ne-smectite. Ukuzuza le miphumela kuzoncika ekuqondeni izici zamaminerali kanye noguquko lwesakhiwo ezigabeni ezihlukahlukene zomjikelezo wokukhiqiza okungenzeka.