Ovrednotenje tehnične ustreznosti in ekonomičnosti dveh sistemov kapljičnega namakanja (z namakalnim trakom in z linijo s kapljači) jagodnjaka (Fragaria x ananassa Duchesne) v rastlinjaku

Soghra HOSSEINIAN, Mohammadreza KHALEDIAN, Mohammad Hassan BIGLOUEI, Parisa SHAHINROKHSAR

Povzetek


Raziskava je bila opravljena z namenom ovrednotenja tehnične ustreznosti in ekonomičnosti dveh sistemov kapljičnega namakanja: z namakalnim trakom in z linijo s kapljači pri gojenju jagodnjaka v rastlinjaku, v severnem delu Irana. Rezultati so pokazali, da so bili pri sistemu namakanja z namakalnim trakom vsi tehnični kazalci boljši kot v sistemu z linijo s kapljači in statistične analize kažejo značilno razliko (P < 0.05). Pridelek in produktivnost vode (WP) sta bila večja pri sistemu z namakalnim trakom kot z linijo s kapljači (P < 0.05). Prihodek na m3 vode (BDP) in dobiček na m3 vode (NBDP) sta bila večja v sistemu z namakalnim trakom kot v sistemu linija s kapljači. Neto sedanja vrednost, interna stopnja donosnosti kapitala in indeks donostnosti so bili večji v sistemu linije s kapljači kot v sistemu z namakalnim trakom.V splošnem je bil tehnološko sistem z namakalnim trakom boljši kot linija s kapljači, a pri ovrednotenju ekonomičnosti je bilo ravno obtratno.

Ključne besede


kapljično namakanje, učinkovistost kapljača, indeks donosnosti, jagodnjak (Fragaria x ananassa Duchesne)

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2016.107.1.06

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