Barka da rana. Ee, kamar yadda maƙwabta suka bayyana daidai, thuja na iya juya launin rawaya da gaske. Kuma rashin takin zamani ya yi nisa da dalili kawai. Zai zama da amfani mutum ya san kowa.
Rashin taki
Sau da yawa allura akan thuja sun fara juye da launin rawaya saboda rashin abinci mai gina jiki.
Amountarancin adadin phosphorus da baƙin ƙarfe a cikin ƙasa shine babban dalilin wannan matsala. Ana magance wannan matsala a saukake - a cikin bazara, nan da nan bayan dusar ƙanƙara ta narke, takin ƙasa a ƙarƙashin arborvitae. A kan siyarwa zaka iya ganin gaurayawan takamaiman na musamman don conifers kuma musamman ga thuja, dauke da duk abubuwan da suke bukata. Yin amfani da irin wannan taki don thuja a cikin bazara daga rawaya, ba za ku ƙara fuskantar irin wannan matsalolin ba.
Matsalar ƙasa
Abin takaici, ba duk abubuwan da ke haifar da ruwan '' thuja 'ba ana cire su da sauƙi. Sau da yawa wannan yana faruwa ne saboda ƙasan da ba ta dace ba. Wannan matsalar yafi wahalar warwarewa. Don haka, don dasa shuki da kasa mai zuwa ba su dace ba:
- Yasan yashi - ruwa da sauri yana barin babba yadudduka, saboda abin da tushen matashin thuja ba zai iya isa gare shi ba;
- Peat ƙasa - ruwa ya ta'allaka kan farfajiya, kuma tushen tsarin zai iya ruɓewa, wanda zai haifar da yellowing na allura, sannan kuma mutuwar shuka;
- Casan Clay - ya ƙunshi ƙarancin abinci mai gina jiki kuma yana da babban ɗimbin yawa, wanda yasa ba zai yiwu ga cikakken haɓaka tsarin tushen ba.
A farkon lamari, ana iya magance matsalar ta hanyar shayarwa ta yau da kullun. A cikin na biyu da na uku, alas, masu shi dole ne su yi watsi da thuja kuma su yi shuka a shafin wadanda tsirrai da ke girma sosai akan irin wannan ƙasa.
Bad saukowa
Idan sabon da aka dasa thuja ya zama mai launin toka a gefe ɗaya, kuma yana da rana, to matsalar tana da zafin sosai.
Ana dasa Thuja sosai a cikin wurare masu tsada da kuma hasken rana daga juna. Tare da saukowa guda, babban adadin hasken rana yana haifar da gaskiyar cewa allura suna rawaya. A tsawon lokaci, wannan zai wuce idan ka samar da kyakkyawan shayarwa, kuma amfani da takin ƙasa ga ƙasa mai ɗauke da ba kawai phosphorus da baƙin ƙarfe ba, har ma da nitrogen.
