Shinkafa na iya yin da ruwa da yawa

Za a iya rage yawan shan ruwa a noman shinkafa da kashi 10 zuwa 30 idan aka yi amfani da hanyar da ake kira ‘Alternative Wetting and Drying’, dabarar da Cibiyar Bincike ta Rive ta Duniya ta yi.

Ana matukar bukatar hakan, a cewar Bas Bouman na IRRI, ganin yadda ake fama da fari a yankin. Har ila yau, hanyar tana rage yawan amfani da makamashi da kuma rage farashin samar da kayayyaki. An riga an yi amfani da fasahar a China, Indiya da Vietnam.

Hanyar tana ɗauka cewa filin shinkafa ba dole ba ne ya kasance ƙarƙashin ruwa koyaushe. Akwai bututun gora a ƙarƙashin ƙasa don auna matakin ruwa. Lokacin da ruwan ya kasance tsakanin 5 zuwa 10 cm a ƙasa da ƙasa, akwai isasshen ruwa don tsire-tsire. Lokacin da ruwan ya ragu, manoman suna zuga ruwa a cikin filin. A Bangladesh, an samu raguwar ruwa da kashi 30 zuwa 50 a gwaje-gwaje kuma farashin ban ruwa ya ragu da kashi 21 zuwa 27 cikin dari.

Wata hanyar da za a yi amfani da ƙarancin ruwa ita ce shuka abin da ake kira shinkafa aerobic. Ba ya buƙatar nutsewa cikin ruwa, amma yana bunƙasa cikin ƙasa mai ɗanɗano. Ana buƙatar ƙarin gwaje-gwaje don haɓaka wannan nau'in shinkafa, saboda yawan amfanin gona ya ragu da kashi 20 zuwa 30 cikin 50 idan aka kwatanta da gonakin shinkafar da ambaliyar ta mamaye. Ragewar ruwa yana da ban sha'awa a kashi XNUMX cikin ɗari.

Alkaluman IRRI sun nuna cewa gonar shinkafa tana bukatar ruwa sau biyu zuwa uku fiye da gonar da aka dasa alkama ko masara. Ana ɗaukar lita 1 na ruwa don samar da kilo 2.500 na shinkafa.
In Tailandia IRRI ta riga ta gwada hanyar AWD a yankunan Arewa maso Gabas da Tsakiya.

www.dickvanderlugt.nl – Source: Bangkok Post