Urea, wanda aka fi sani da carbamide, ya ƙunshi carbon, nitrogen, oxygen, hydrogen Organic Organic wani farin kristal ne, a halin yanzu shine mafi girman nitrogen ɗin takin nitrogen. Urea tana dauke da sinadarin nitrogen mai yawa, yawan kwayar aikace-aikace bai kamata ya zama babba ba, don kaucewa barnar da ba dole ba da kuma “lalacewar taki”. Manoma a yankuna da yawa masu ba da 'ya'yan itace suna amfani da urea da yawa, wanda ke haifar da matattun bishiyoyi, sakamakonsa yana da tsanani. A yau zamu gabatar da amfani da urea yadda ya kamata.

Yi amfani da urea goma taboo 

An haɗu tare da ammonium bicarbonate

Bayan an saka urea cikin ƙasa, ana buƙatar canza shi zuwa ammoniya kafin amfanin gona ya shagalta da shi, kuma yawan jujjuyawar sa yana da saurin hankali a ƙarƙashin yanayin alkaline fiye da na yanayin mai guba. Bayan an yi amfani da ammonium bicarbonate a cikin ƙasa, aikin ya kasance na alkaline, kuma darajar pH ta kasance 8.2 ~ 8.4. Hada gonar ammonium bicarboate da urea, zai sanya jujjuyawar urea cikin saurin ammoniya ya ragu sosai, mai sauƙin haifar da asarar urea da asarar keɓaɓɓu. Sabili da haka, kada a yi amfani da urea da ammonium bicarbonate a haɗe ko a lokaci guda. 

Guji watsa labarai ta ƙasa

Urea yana bazu a ƙasa kuma ana iya amfani dashi kawai bayan kwanaki 4-5 na jujjuyawar a zazzabin ɗakin. Yawancin nitrogen ana iya sauƙaƙe su cikin tsarin ammonification, kuma ainihin ƙimar amfani kusan 30% ne kawai. Idan yadawa a cikin kasar alkaline da kasar gona mai dauke da babban kwayar halitta, asarar nitrogen zata kasance da sauri da ƙari. Da kuma aikace-aikacen da ba su da ruwa na urea, masu saukin shan ciyawa. Ana amfani da Urea a cikin ƙasa yana narkewa saboda takin ya kasance a cikin layin ƙasa mai laushi, wanda ke da amfani ga tasirin takin. Yakamata a yi gyaran saman a gefen seedling da ramuka ko ramuka, kuma zurfin ya zama kusan 10-15cm. Ta wannan hanyar, urea tana mai da hankali a cikin babban layin tushen tsarin, wanda ke sauƙaƙa sha da amfani da amfanin gona. Gwajin ya nuna cewa za a iya ƙara yawan amfani da urea da 10% ~ 30%.

Uku basa shuka taki

Urea a cikin aikin samarwa, galibi ana samar da ƙaramar biuret, lokacin da abun biuret sama da 2% zai zama mai guba ga tsaba da tsire-tsire, irin wannan urea a cikin tsaba da tsire-tsire, zai haifar da ƙarancin furotin, zai shafi ƙwayoyin cuta da tsiro tsaba, don haka bai dace da dasa taki ba. Idan dole ne ayi amfani dashi azaman taki iri, guji haɗuwa tsakanin iri da taki kuma sarrafa sashi.

Hudu guji nan da nan bayan ban ruwa

Urea na amide nitrogen din takin zamani ne, wanda yake bukatar canzawa zuwa ammonia nitrogen domin ya samu damar amfani dashi ta hanyar tsarin tushen amfanin gona. Saboda ingancin ƙasa daban-daban, yanayin ruwa da yanayin zafin jiki, aikin jujjuyawar yana ɗaukar lokaci mai tsawo ko ɗan gajeren lokaci. Gabaɗaya, ana iya kammala shi bayan kwanaki 2 ~ 10. Gabaɗaya, ya kamata a yi ban ruwa kwana 2 ~ 3 bayan aikace-aikacen a lokacin rani da kaka, da kuma kwana 7 ~ 8 bayan aikace-aikacen a cikin hunturu da bazara.