Yintoni urea: ukwakheka, izibonelelo kunye nokonakala

I-Urea yichemicals esekwe kumakhemikhali asetyenziswa kwimveliso. Kwi-chemistry ye-organic, ukwakhiwa kunamagama ahlukeneyo: i-carbonic acid diamide okanye urea. I-Urea sisichumisi samaminerali esisetyenziswa kwishishini lezolimo. Iikristalu ezingenabala ngaphandle kwemibala (ezinokunyibilikiswa emanzini) ziyimveliso yokugqibela yokwenziwa kweprotein. Kwimveliso yezityalo, ixabiso le-urea kumxholo we-nitrogen ephezulu yi-45%.

Yintoni urea: izibonelelo kunye nokwenzakala

Ixabiso le-urea ngokufikeleleka, ukusetyenziswa lula kunye nesivuno esihle. Ukuba uthelekisa i-urea kunye nezinye izichumisi zeminerals, ikhompawundi ayinetyhefu, ngenxa yokungabikho ngokupheleleyo kwe-chlorine. Ukusetyenziswa, i-urea ayipheleli kwezi:

 

  • Ukuhlaziya ukubuyiselwa komhlaba emva kobusika "ukuphumla". Isichumisi esincinci sisetyenziselwa ukutyala umhlaba ekuqaleni kwentwasahlobo. Ammonia ogqithileyo aphuma emoyeni ovulekileyo, kwaye umhlaba uzaliswe zizakha-mzimba ezibalulekileyo ukuze kuphuhliswe iintsholongwane.
  • Ukunxiba imifuno Isetyenziselwa kuphela ukunkcenkceshela komhlaba. I-Urea ixutywe namanzi kwaye ifafazwe emasimini.

 

I-Urea yiarhente yokunyanzela ukhuselo, oko kuthetha ukuba ukumiliselwa kweekhemikhali emhlabeni kungenisa ipH yomhlaba emhlabeni kwicala le-asidi. Abavelisi bezichumisi eziphilayo, bekhuthaza ezabo iimveliso ezibizayo, bayabheja ngale nto. Ngapha koko, oku akubalulekanga. Ukubuyisela i-pH, umzekelo, nge-limestone (alkali), iya kusombulula ingxaki yama-agrarians. Lilonke, i-urea, i-limestone kunye ne-dizeli esebenza emasimini isaya kubiza amatyeli aliqela ngaphantsi kokuthenga izinto eziphilayo.

 

 

Ukusetyenziswa kwezichumisi ezimbiwa kuhlala kudityaniswa nobungozi bezityalo ezikhulileyo emzimbeni. Kodwa oku akusebenzi ku-urea. Iyeza lihlala lingenabungozi ebantwini- kwifom yasimahla, okanye kwimveliso yokugqibela. Kwaye nokuba, ngokuchaseneyo, uninzi lwamachiza e-organic ayingozi kune-urea.

 

 

Emva kokuqonda ukuba yintoni urea, i-agrari ngokuqinisekileyo iya kufikelela kwisigqibo kwaye yenze isigqibo sayo. Emva kwayo yonke loo nto, isibhengezo-ntengiso esizaliswe ngamaqweqwe eemagazini ezolimo nakumajelo eendaba sijolise “ekuzoba” ichiza elaziwayo. Ayisiyongxaki abathengisi bezichumisi ezibizayo ukuba abantu basebenzise izichumisi ezifikelelekayo. Kungoko amakhulukhulu ovavanyo olubi malunga ne-urea.

 

 

Ngokubanzi, urea sisisombululo esifanelekileyo segadi, kwigadi yasekhitshini, kwishishini. Ngazo naziphi na iimfuno zezolimo. Gcina umkhondo wokubumba komhlaba (pH) kwaye ubale ngokuchanekileyo umthamo (njengoko kubonisiwe ngabavelisi kwiphakheji). Kwaye, ngendlela, musa ukudibanisa i-urea kunye nembewu yezityalo xa uhlwayela - kungenjalo isityalo siya kufa kwi-bud (shushu siphelelwe).