Rawar da ingancin urea na aikin gona ke daidaita girman furanni, da fure fure da fruita fruitan itace, noman iri na shinkafa, da hana kwari kwari. Gabobin fure na bishiyoyin peach da sauran shuke-shuke sun fi dacewa da urea, kuma ana iya samun tasirin siraran furanni da fruita fruitan itace bayan an yi amfani da urea. Aikace-aikacen urea na iya kara yawan sinadarin nitrogen na ganyen shuke-shuke, hanzarta ci gaban sabbin harbe-harbe, hana bambance bambancen tohowar fure, da kuma sarrafa yawan ƙwayoyin fure. Urea taki ne mai tsaka tsaki, ana iya amfani dashi azaman taki yayin fuskantar ƙasa da tsire-tsire daban-daban.

Babban aikin takin nitrogen shine: kara jimillar kwayar halittar du da wadatar tattalin arziki; inganta darajar abinci mai gina jiki na kayan gona, musamman kara sinadarin dao a cikin tsaba da kara darajar abinci mai gina jiki. Nitrogen shine babban sinadarin gina jiki a cikin albarkatu. Ba tare da nitrogen ba, ba za a iya ƙirƙirar farin kwayar nitrogen ba, kuma ba tare da furotin ba, ba za a sami abubuwan rayuwa daban-daban ba.

Yadda ake amfani da urea:

1. Daidaita daidaito

Urea takin nitrogen ne tsarkakakke kuma baya dauke da sinadarin phosphorus da potassium a cikin manyan abubuwanda suka wajaba don haɓakar amfanin gona. Sabili da haka, lokacin da kuke yin ado na sama, yakamata kuyi amfani da fasahar hada taki bisa tsarin gwajin ƙasa da binciken sinadarai don daidaita nitrogen, phosphorus, da takin potassium. Na farko, hada dukkan sinadarin phosphorus da takin potassium da wasu (kusan 30%) taki nitrogen da ake buƙata tsawon lokacin haɓakar amfanin gona tare da shirin ƙasa da aikace-aikacen ƙasa.

Sannan sanya kusan kashi 70% na sauran taki nitrogen a matsayin gyara, daga ciki kusan kashi 60% na muhimmiyar lokacin amfanin gona da kuma iyakar ingancin lokacin su ne kayan aikin, kuma kusan kashi 10% na karshen. Sai kawai lokacin da takin mai magani uku na nitrogen, phosphorus da potassium suka hadu sosai kuma suka yi amfani da shi a kimiyance, za a iya inganta yawan amfani da urea na gyara.

2. Yin gyara a lokacin da ya dace

Ana iya ganin wasu takin da ba na hankali ba a cikin noman noma: duk shekara idan alkama ta koma kore bayan farkon bazara, manoma suna amfani da damar da suke zuba ruwan koren don fesawa ko wanke urea cikin gonar alkama; a lokacin noman masara, manoma suna fesa urea kafin ruwan sama A cikin filin; yayin matakin noman kabeji, ya kamata a cika urea da ruwa; yayin matakin noman tumatir, urea ya kamata a shanye shi da ruwa.

Amfani da urea ta wannan hanyar, kodayake ana amfani da takin, almubazzarancin yana da nauyi (ammonia na saurin fashewa kuma ana rasa ɓoyayyen urea da ruwa), kuma hakan zai haifar da haɓakar gina jiki da yawa, jinkirin kwana na alkama da masara, tumatir "yana hurawa" , da jinkirta cika kabeji Kuma wasu munanan abubuwa suna faruwa. Kowane amfanin gona yana da takamaiman lokaci na musamman don shafar nitrogen, phosphorus, da potassium (ma'ana, lokacin da amfanin gona ya kasance mai matukar damuwa da shawar wasu abubuwa).

Rashin takin zamani (nitrogen, phosphorus, potassium) a wannan lokacin zai rage yawan amfanin gona da inganci, wanda ke da tasirin gaske. Ko da an yi amfani da wadataccen taki daga baya, tasirin tasirin amfanin gona da ingancinsa ba za a iya juya shi ba. Bugu da kari, akwai wani lokaci mafi inganci, ma'ana, a wannan lokacin, takin shuki na iya samun wadataccen amfanin gona, kuma amfanin gona yana da mafi ingancin amfani da takin.

Daga binciken da aka yi a sama, za a ga cewa kawai sanya kaya a cikin mahimmin lokaci da kuma iya tsawon lokacin amfanin gona na iya inganta yawan amfani da takin mai magani da kuma samun yawan amfanin ƙasa da ingancin amfanin gona.

3. Gyara kayanka a kan kari

Urea takin amide ne, wanda yake buƙatar canzawa zuwa ammonium carbonate don tallata shi ta colloids na ƙasa sannan amfanin gona ya mamaye shi. Wannan aikin yana ɗaukar kwanaki 6 zuwa 7. Yayin wannan aikin, ruwan da ke cikin ƙasa ya narkar da urea da farko sannan sannu a hankali ya rikide zuwa ammonium carbonate.

Sabili da haka, lokacin da ake amfani da urea a matsayin babban sutura, ya kamata a yi amfani da shi kusan mako 1 kafin lokacin mai mahimmanci na amfanin nitrogen mai amfanin gona da kuma iyakar ingancin takin zamani, ba da wuri ba ko kuma latti.

4. Rufin ƙasa mai zurfi

Hanyoyin aikace-aikacen da basu dace ba zasu iya haifar da asarar nitrogen kamar asarar urea da ruwa da ammonia volatilization, takin zamani, cinye kwadago, da kuma rage yawan amfani da urea. Hanyar aikace-aikacen daidai ita ce: nema a masara, alkama, tumatir, kabeji da sauran albarkatu. Tona rami mai zurfin 15-20 cm nesa na 20 cm daga amfanin gona. Bayan an sanya taki sai a rufe shi da kasa. Kasar ba ta bushe sosai ba. Game da shayarwa bayan kwana 7.

Lokacin da kasar ta bushe sosai kuma tana bukatar shayarwa, ya kamata a shayar da ruwa sau daya, ba a rufe shi da babban ruwa don hana urea yin asara da ruwa. Lokacin amfani da shinkafa, yakamata a yada. Rike ƙasa danshi bayan amfani. Kada a ba da ruwa cikin kwanaki 7. Bayan an narkar da taki sosai kuma ƙasa ta tallata shi, za ku iya zuba ƙaramin ruwa sau ɗaya, sa'annan ku bushe shi tsawon kwanaki 5-6.

5. Foliar spray

Urea tana iya narkewa cikin ruwa, yana da yaduwa mai karfi, ana iya shayar da ganye sau da yawa, kuma yana da lahani ga ganye. Ya dace da kayan kwalliyar sama-ƙasa kuma za'a iya fesa shi a jikin ganyaye haɗe da sarrafa ƙwayar cuta. Amma lokacin yin karin-tushen saman miya, urea tare da abun biuret wanda bai wuce 2% ba ya kamata a zaba don hana lalacewar ganyen. Concentrationididdigar karin kayan aiki ya bambanta daga amfanin gona zuwa amfanin gona. Yakamata lokacin feshi ya kasance bayan 4 na yamma, lokacin da adadin juzuwar yayi kadan, kuma ana bude stomata na ganye a hankali, wanda zai dace da cikakken shan maganin urea mai ruwa ta hanyar amfanin gona.

An hana amfani da urea:

1. Guji cakuduwa da ammonium bicarbonate

Bayan an yi amfani da urea a cikin kasa, dole ne a canza shi zuwa ammoniya kafin amfanin gona ya shagalta da shi, kuma yawan jujjuyawar sa yana da saurin hankali a karkashin yanayin alkaline fiye da na yanayin acidic. Bayan an yi amfani da ammonium bicarbonate a cikin ƙasa, yana nuna aikin alkaline, tare da darajar pH ta 8.2 zuwa 8.4. Cakuda aikace-aikacen ammonium bicarbonate da urea a cikin gonar zai rage jinkirin sauya urea cikin ammoniya, wanda hakan zai iya haifar da asarar urea da asarar nakasa. Sabili da haka, urea da ammonium bicarbonate ba za a haɗasu ko amfani da su lokaci ɗaya ba.

2. Guji shimfida farfajiya

Fesa Urea a ƙasa. Yana ɗaukar kwanaki 4 zuwa 5 don canzawa a zafin jiki na ɗaki kafin a fara amfani dashi. Yawancin nitrogen suna saurin lalacewa yayin aikin ammoniating. Gabaɗaya, ainihin ƙimar amfani kusan 30% ne kawai. Idan yana cikin kasar alkaline da kayan kwayoyi Lokacin yadawa a cikin kasa mai yawa, asarar nitrogen zata kasance da sauri da ƙari.

Da kuma rashin amfani da urea, mai sauƙin cinyewar ciyawa. Ana amfani da Urea sosai don narke taki a cikin ƙasa, don haka taki ya kasance a cikin layin ƙasa mai laushi, wanda ke dacewa da tasirin takin. Don gyaran sama, ya kamata a yi amfani da shi a gefen seedling a cikin rami ko a cikin furrow, kuma zurfin ya kamata game da 10-15cm. Ta wannan hanyar, urea tana mai da hankali a cikin babban tushen tushe, wanda ya dace da amfanin gona don sha da amfani. Gwaje-gwaje sun nuna cewa zurfin aikace-aikace na iya ƙara yawan amfani da urea da 10% -30% fiye da aikace-aikacen da ba shi da zurfi.

3. Guji yin taki iri

A tsarin samar da urea, ana yawan samar da karamin biuret. Lokacin da abun biuret ya wuce 2%, zai zama mai guba ga tsaba da tsire-tsire. Irin wannan urea zai shiga cikin tsaba da tsire-tsire, wanda zai iya rage furotin kuma zai iya shafan kwayar iri kuma tsirowa ta girma, don haka bai dace da takin zamani ba. Idan dole ne ayi amfani dashi azaman taki iri, guji haɗuwa tsakanin iri da taki, kuma sarrafa adadin.

4. Kada ayi ban ruwa nan da nan bayan aikace-aikacen

Urea takin amide nitrogen ne. Yana buƙatar canzawa zuwa ammonia nitrogen kafin a iya shafan shi kuma amfani dashi ta asalinsa. Tsarin juyawa ya bambanta dangane da ƙimar ƙasa, danshi, zafin jiki da sauran yanayi. Yana ɗaukar kwanaki 2 zuwa 10 don kammalawa. Idan aka shayar da ruwa kuma aka diga nan da nan bayan an yi amfani da shi ko kuma an shafa a busasshiyar ƙasa kafin ruwan sama mai ƙarfi, za a narkar da urea a cikin ruwa kuma a rasa. Gabaɗaya, ya kamata a shayar da ruwa kwana 2 zuwa 3 bayan aikace-aikacen a lokacin rani da kaka, da kuma kwana 7 zuwa 8 bayan aikace-aikacen a cikin hunturu da bazara.