Sharaxaada
1. Markaad isticmaalayso, taxaddarradan soo socda waa in la qaadaa: si taxaddar leh u qaboojiso inta lagu jiro gaadiidka, iska ilaali shilalka, oo fiiro gaar ah u yeelo ilaalinta qoorta taangiga nitrogen ee dareeraha ah. Sida caadiga ah waxaa lagu meeleeyaa meel mugdi ah, isku day inaad yareyso tirada iyo waqtiga haanta furitaanka si loo yareeyo isticmaalka dareeraha nitrogen. Si joogto ah ugu dar nitrogen dareere ah si aad u hubiso in ugu yaraan saddex-meeloodow meel nitrogen dareeraha ah lagu hayo haanta. Inta lagu jiro kaydinta, haddii isticmaalka muhiimka ah ee nitrogen dareeraha ah ama dheecaanka dhaxan ee ka baxsan taangiga la helo, waxay muujinaysaa in waxqabadka taangiga nitrogen ee dareeraha ah uu yahay mid aan caadi ahayn oo waa in isla markiiba la beddelaa. Marka la ururinayo oo la sii daayo shahwada barafaysan, ha qaadin dhululubada qaadista shahwada barafaysan meel ka baxsan afka haanta, kaliya saldhiga qoorta haanta.
2. Waa maxay taxaddarrada lagu keydinayo shahwada barafaysan ee haanta nitrogen ee dareeraha ah? Farsamada hagaajinta shahwada barafaysan ee lo'du waa tignoolajiyada taranka ee ugu isticmaalka badan uguna waxtarka badan. Ilaalinta saxda ah iyo isticmaalka shahwada la qaboojiyey waa mid ka mid ah shuruudaha lagu hubinayo rimidda caadiga ah ee lo'da. Marka la kaydinayo oo la isticmaalayo shahwada barafaysan ee lo'da, waa in fiiro gaar ah loo yeeshaa: shahwada barafaysan ee lo'da waa in lagu kaydiyaa haamo nitrogen dareere ah, iyada oo qof u heellan inuu daryeelo. Nitrojiin dareeraha ah waa in lagu daraa wakhtiyo joogto ah toddobaad kasta, iyo xaaladda taangiyada nitrogen ee dareeraha ah waa in si joogto ah loo hubiyo.
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