#controlled-releasefertilizers #agriculture #sustainablefarming #cropyield #soilhealth #environmentalimpact
M'nkhaniyi, tiwona ubwino ndi zovuta zomwe zimagwiritsidwa ntchito pogwiritsa ntchito feteleza woyendetsedwa bwino paulimi. Pakuchulukirachulukira kwa chakudya chapamwamba komanso ulimi wokhazikika, ndikofunikira kulingalira momwe feteleza osiyanasiyana amakhudzira zokolola, thanzi la nthaka, komanso chilengedwe.
Malinga ndi kafukufuku waposachedwa ndi ResearchAndMarkets.com, msika wapadziko lonse wa feteleza wosatulutsidwa ukuyembekezeka kufika $3.3 biliyoni pofika 2026, motsogozedwa ndi kufunikira kwa feteleza wochita bwino kwambiri yemwe amachepetsa kutayika kwa michere ndikuchepetsa kuwononga chilengedwe. Feteleza wotulutsidwa ndi Controlled-Release (CRFs) amapangidwa kuti azipereka zakudya ku mbewu kwa nthawi yayitali, kuonetsetsa kuti mbewu zikule bwino komanso kuchepetsa kutha kwa feteleza.
Ubwino umodzi waukulu wa CRF ndi kuthekera kwawo kupereka zakudya zopatsa mphamvu pang'onopang'ono komanso zokhazikika ku mbewu, zomwe zimatha kukulitsa kukula kwa mbewu ndi zokolola pomwe zimachepetsa chiwopsezo cha kuthirira kwambiri. Izi zitha kukhala zopindulitsa makamaka m'mbewu zomwe zimakula nthawi yayitali kapena m'malo opanda madzi ochepa, pomwe feteleza sizitheka.
Komabe, kugwiritsa ntchito CRF kulinso ndi zovuta zina. Monga tanenera ndi University of Minnesota Extension, CRFs ikhoza kukhala yokwera mtengo kuposa feteleza wamba, ndipo katundu wawo wotulutsidwa pang'onopang'ono sangakhale woyenera ku mbewu zomwe zimafuna kudya mwamsanga. Kuphatikiza apo, kuchuluka kwa michere mu CRF kumatha kukulitsa chiwopsezo cha mchere wam'nthaka ndi kutentha kwa zomera, makamaka m'madera ouma.
Kuti tithane ndi nkhawazi, m'pofunika kuganizira zofuna za mbewu iliyonse ndi mtundu wa nthaka posankha mtundu ndi kuchuluka kwa feteleza woti mugwiritse ntchito. Agronomists ndi mainjiniya aulimi atha kutengapo gawo lalikulu pothandiza alimi kukhathamiritsa kugwiritsa ntchito feteleza ndikukulitsa zokolola zawo ndikuchepetsa kuwonongeka kwa chilengedwe.
Pomaliza, ngakhale kuti feteleza wosayendetsedwa bwino atha kupereka mapindu ambiri pazaulimi, ndikofunikira kupenda ubwino ndi kuipa kwawo mosamala. Pogwira ntchito ndi akatswiri m'munda, alimi amatha kupanga zisankho zomveka bwino pakugwiritsa ntchito feteleza ndikuthandizira kutsimikizira tsogolo lokhazikika la mafakitale.