Kamrun Nahar

**Kamrun Nahar** masanin kimiyyar ƙasa ne dan ƙasar Bangladesh kuma masanin muhalli. Shahararriyar mai binciken biofuels daga Bangladesh, bincikenta ya kuma yi nufin rage dogaro da man fetur na kasashen waje ta hanyar samar da karancin carbon da sulfur da ke fitar da albarkatun halittu daga amfanin gonakin makamashi na ƙarni na biyu da ake nomawa a cikin ɓangarorin da ba a yi amfani da su ba na Bangladesh don amfani da injina na gida don ƙara ƙarfi.

Zaɓaɓɓen memba na Ƙungiyar Asiya ta Bangladesh, ta kasance tsohuwar sakatare na Cibiyar Ƙwararrun Ƙwararrun Muhalli - Bangladesh a 2003. Ita mataimakiyar farfesa ce a fannin kimiyyar muhalli da gudanarwa a Jami'ar Arewa ta Kudu kuma ta kasance irin wannan matsayi na koyarwa a Jami'ar BRAC da kuma Jami'ar Independent, Bangladesh, tun 2000.

## Ilimi
An haife ta a shekara ta 1961 ga dangin Munshibari na Comilla, inda marubuci Saleh Uddin ya kasance yayanta. Ita ce kanwar Raihanul Abedin. Bayan kammala karatunta a kwalejin Eden, ta halarci Sashen Soil, Ruwa da Muhalli na Jami'ar Dhaka a 1977. A 1978, ta karanci ilmin sinadarai na kasa a karkashin Iajuddin Ahmed. Ta kammala digirin BS a fannin kimiyyar kasa a shekarar 1981 sannan ta samu digiri na MS a fannin ilmin kasa da kasa a shekarar 1982. Ta yi aure da Muhammad Shahid Sarwar a shekarar 1981. A wannan shekarar ne Hukumar Ilimi ta Dhaka ta ba ta lambar yabo ta First Class Honors Award.[3]

A cikin 1997, ta yi tafiya zuwa Turai don halartar Sashen Nazarin Kimiyyar Tsirrai da Tsirrai don samun digiri na uku a Jami'ar Albarkatun Halitta da Kimiyyar Rayuwa, Vienna a Austria (Institut f. Pflanzenzuchtung u. Pflanzenbau Uni. F. Bodenkultur Wien, Osterreich) a matsayin Abokin musayar Ilimi na Austrian. Har ila yau, ta kasance malami mai ziyara a Jami'ar Florida da Jami'ar Jihar Washington a Amurka.

## Fage
Nahar ya fara ba da shawarar noman noman noman bioenergy wanda ba abinci ba, Jatropha curcas L. a Bangladesh, saboda ba ya buƙatar ƙasar noma kuma baya gasa da abinci. Aikinta ya mayar da hankali ne kan karuwar matsalar karancin ruwa sakamakon sauyin yanayi a duniya da dangantakarsa da yawan 'ya'yan itace, musamman wajen yaki da yunwa a duniya. Har ila yau wallafe-wallafenta sun shafi samar da makamashin halittu da samar da abinci a cikin ƙasashen da ke fama da karancin ruwa da kuma filayen Bangladesh da ke cike da ambaliya. Da take jaddada tsarin yin amfani da filaye da kuma yankunan noman da ake yi a Bangladesh, ta jaddada amfani da fa'idar tattalin arzikin da ake samu a wannan shuka, inda ta yi nuni da karancin farashin samar da kayayyaki da kuma saukin samar da sinadarin biodiesel da sauran kayayyaki masu amfani idan aka kwatanta da man fetir na al'ada. Haka kuma an yi nuni da rarrabuwar carbon a cikin tsarin ƙasa.

## Haihuwar ƙasa da ƙarancin ruwa
A farkon shekarun 1980, Nahar ya fara nazarin kasa a yankuna daban-daban na kasar. Samfurori ashirin na ƙasa na pedons huɗu daga gundumar Bhola an yi nazarin su don tsarin halittarsu, girman rabo, da abun ciki na ma'adinai a cikin juzu'in yumbu. Mottles masu kyau zuwa matsakaici masu girma tare da bambanci daban-daban sun kasance a kusan dukkanin sararin sama. Tsarin B (cambic) sararin sama ya haɓaka a cikin duk pedons inda abun ciki na yumbu ya kasance daga 17 zuwa 42%. Nau'in kasan ya kasance daga silt loam zuwa silty laka. Mica da kaolinite su ne sauran ma'adanai guda biyu waɗanda yawancin su ya kusan daidai. An yi zargin faruwar ƙananan ƙananan mica-vermiculite intergrades da wasu ma'adinan yumbu masu tsaka-tsaki. An yi la'akari da ƙaramin yanki na smectites an kafa shi a cikin ƙasa daga Bhola.

Daga baya, an tattara jimillar samfuran ƙasa ashirin da ɗaya na jerin ƙasa na wakilai biyar bisa ka'ida daga yankuna daban-daban na ciyayi na Raojan Rubber, Chittagong kuma an tantance su don kaddarorinsu daban-daban. Hanyoyi daban-daban na bayanan bayanan da aka yi nazari sun kasance da gaske na ilimin halittar jiki. Yashi shine mafi girman juzu'in ƙasa, wanda zai iya nuna cewa kayan iyaye suna da kyau a yanayi. Nauyin ƙasa ya kasance daga yashi mai yashi zuwa yashi mai yashi a saman da yashi mai yashi zuwa yashi mai yashi a ƙasan ƙasa. Matsakaicin yashi/silt ya nuna cewa bayanan martabar da aka yi nazari ba su samo asali akan kayan iyaye iri ɗaya ba. Yawan danshi na busasshiyar ƙasa ya kasance daga 0.3 zuwa 2.6. Ingantacciyar dangantaka ta wanzu tsakanin kashi dari na yumbu da danshi na ƙasa.

## Manazarta