Obseg in stroški izgube v pridelovalni verigi manioke po spravilu pridelka v državi Kwara, Nigeria

Samuel Temitope DANILOLA, Raphael BABATUNDE, Jubril ANIMASHAUN

Povzetek


Manioka je postala za koruzo v Afriki druga najpomembnejša vsakodnevna hrana glede zaužitih kalorij, z Nigerijo kot vodilnim svetovnim pridelovalcem. V raziskavi je bila ocenjena velikost izgube pridelka manioke po spravilu. Analizirani so bili dejavniki, odgovorni za izgubo in njene finančne posledice. Identificirane so bile strategije, ki so bile uporabljene za blaženje izgub na preučevanem območju. Uporabljena je bila tristopenska metoda vzorčenja, v kateri je bilo 117 pridelovalcev manioke, ki so izpolnili vprašalnik za pridobitev podatkov analiziranih v tej raziskavi. Za analizo pridobljeni podatkov so bile uporabljenne metode opisne statistike, Shannonov diverzitetni indeks in Tobit regresijski model. Rezultati kažejo, da je 68 % izgube nastalo med spravilom. Izguba je bila ocenjena na okrog 3,8 t ha-1, njena vrednost pa $ 300 ha-1. Analiza dejavnikov, odgovornih za izgubo pridelka manioke po spravilu je pokazala, da so bili pri tem najpomembnejši velikost pričakovanega pridelka, velikost gospodinjstev in starost pridelovalcev. Rezultati so še pokazali, da pridelovalci zmanjšujejo izgubo pridelka po spravilu s predelovanje in ponovnim zakopavanjem v tla. Koraki, potrebni za zmanjšanje izgube pridelka so torej upoštevanje the dejavnikov in s tem izboljšati ekonomičnost predelave manioke pri pridelovalcih.

Ključne besede


manioka; izguba po spravilu; finančna ocena; Shannonov diverzitetni indeks; Tobit regresija

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2019.114.2.1

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