jaiv urvarak (baayofartilaaijar)

neel-harit kavak ek jaiv-urvarak hai.

bhoomi ki urvarata ko tikaaoo banaae rakhate hue satat fasal utpaadan ke liye krushi vaigyaaniko ne prakrutipradatt jeevaanuon ko pahachaanakar unase bibhinn prakaar ke paryaavaran hitaishi urvarak taiyaar kiye hain jinhe ham jaiv urvarak (baayofartilaaijar) ya 'jeevaanu khaad' kehte hai. doosare shabdon mein ham kah sakte hai ki jaiv urvarak jeevit urvarak hai jinme sookshmajeev vidyamaan hote hai.

fasalon mein jaiv urvarakon istemaal karne se vaayumandal mein upasthit natrajan paudho ko (amoniya ke roop mein) sugamata se upalabdh hoti hai tatha bhoomi mein pehle se maujood aghulanasheel faasforas aadi poshak tatv ghulanasheel avastha mein parivrtit hokar paudhon ko aasaani se upalabdh hote hain. choonki jeevaanu praakrutik hain, isliye inke prayog se bhoomi ki urvara shakti badhti hai aur paryaavaran par vipreet asar naheen padta. jaiv urvarak raasaayanik urvarakon ke poorak hai, vikalp katai naheen hai. raasaayanik urvarakon ke poorak ke roop mein jaiv urvarakon ka prayog karne se ham behtar parinaam praapt kar sakte hai.

vaastav mein jaiv urvarak vishesh sookshmajeevon evam kisi nami dhaarak padaarth ke mishran hain. vishesh sookshm jeevon ki nirdhaarit maatra ko kisi nami dhaarak dhooleeya padaarth (chaarakol, lignaait aadi) mein milaakar jaiv urvarak taiyaar kiye jaate hain. yeh praay: 'kalchar' ke naam se baajaar mein upalabdh hai. vaastav mein jaiv urvarak ek praakrutik utpaad hai. inka upayog vibhinn fasalon mein natrajan evam sfoor ki aanshik poorti hetu kiya ja sakta hai. inke upayog ka bhoomi par koi dushprabhaav naheen padta hai balki ye bhoomi ke bhautik va jaivik gunon mein sudhaar kar usaki urvara shakti ko badhaane mein sahaayak hote hain. jaivik kheti mein jaiv urvarakon ki mahatvapoorn bhoomika hoti hai.

jeevaanu khaad ka prabhaav dheere-dheere hota hai. hamaare khet ki ek gram mitti mein lagbhag do-teen arab sookshm jeevaanu paaye jaate hain jismein mukhyat: baiktireeya, fafoond, kavak, protojoaa aadi hote hain jo mitti ki urvara shakti badhaane va fasalotpaadan ki vruddhi mein anek kaarya karte hain.

jeevaanu khaad ke prakaar

fsal -- jeevaanu ka naam
dalahani fasalein -- raaijobiym (Rhizobium)
ann fasalein -- ejotobaiktar (Azotobacter), ejospaairilm (Azospirillum), eseetobaiktar aadi
chaaval/dhaan -- neeli hari anola
  • (kh) fausforas ghulanasheelata ke liye : esaparjils, painisiliym, sayoodomonaus, baisils aadi
  • (g) potaash va loha ghulanasheelata ke liye : baislis, fraichyuriya, eseetobaiktar aadi
  • (gh) plant growth pramoting raaijobaiktiriya : baislis, fralorisaint, syoodomonaas, raaijobiya, fralaivobaiktiriya aadi
  • (ङ) maaikoraaijal kavak : ektomaaikoraaija tatha aravaskular maaikoraaija

inhein bhi dekhein

baahari kadiyaaain