नाइट्रोजन चक्र

naitrojan chakr (aangrezi: Nitrogen cycle) jaiv padarthoan ke lie ek mahattvapoorn kriya hai. vanaspati evan jaiv padarthoan ka naitrojan khad ke roop mean manushyoan tatha pashuoan ke kam ata hai. naitrojan chakr bhoomi tatha paudhoan mean vibhinn vidhiyoan dvara vayumandal ki svatantr naitrojan ka naitrojaniy yaugikoan ke roop mean sthayikaran aur unake punah svatantr naitrojan mean parivartit hone ka anavarat prakram hai.

• vayumandaliy naitrojan ka paudhoan tatha jivoan ke lie avashyak vividh yaugikoan mean parivartan aur in naitrojan yaugikoan ka unake viyojan ke pashchath naitrojan gais ke roop mean punah vayumandal mean lautane ki chakriy prakriya jo kee charanoan mean sampann hoti hai.
• vatavaran mean upasthit naitrojan se prakritik prakriya dvara naitrik esid ka nirman hota hai, jo varsha ke jal ke madhyam se mitti mean pahuanchata hai. yahaan choona patthar tatha ksharoan se abhikriya hone par naitret ki utpatti hoti hai, jisaka sangrah mitti mean hota hai aur jo paudhoan ke poshan ke kam ati hai. mitti se paudhoan dvara grahan ki gee naitrojan jatil karbanik yogikoan mean parivartit ho jati hai.
• mitti mean vidyaman vishesh prakar ke baiktiriya praniyoan ke tyakt padarthoan, sookhe paudhoan tatha mrit praniyoan ko s dakar amoniya tatha amoniya lavan mean parivartit kar dete haian, jise any prakar ke baiktiriya naitret mean badal dete haian, jisaka sangrah mitti mean hota hai. mitti mean upasthit is sanyukt naitret ko tisare prakar ke anaitrikari baiktiriya naitrojan gais mean parivartit kar dete haian aur yah mukt hokar punah vayumandal mean vapas pahuanch jati hai. is prakar ek naitrojan chakr poorn hota hai.

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