Miroslav REDNAK, Tina VOLK, Marjeta Pintar Kmetijski Inštitut Slovenije. Posvet: GOSPODARJENJE NA TRAVINJU LJUBLJANSKEGA BARJA IN HRIBOVITEGA ZALEDJA

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GOSPODARNOST PRIREJE MLEKA NA POZNO KOŠENIH TRAVNIKIH LJUBLJANSKEGA BARJA V PRIMERJAVI Z OBIČAJNO KOŠNJO (Pripravljeno za: 12. POSVETOVANJE O PREHRANI DOMAČIH ŽIVALI ZADRAVČEVI-ERJAVČEVI ERJAVČEVI DNEVI 2003) Miroslav REDNAK, Tina VOLK, Marjeta Pintar Kmetijski Inštitut Slovenije Posvet: GOSPODARJENJE NA TRAVINJU LJUBLJANSKEGA BARJA IN HRIBOVITEGA ZALEDJA Vrhnika 29. 6. 2003

Pristop in metoda dela Proučevali smo vpliv pozne košnje na ekonomske rezultate pri pridelavi sena in prireji mleka Ekonomske rezultate smo ocenjevali s pomočjo modelnih kalkulacij Tehnološka izhodišča smo povzeli iz Verbič in sod.:»vpliv časa košnje na pridelek in hranilno vrednost krme s travnikov Ljubljanskega barja«ocenjevali smo kratkoročne in dolgoročne učinke.

Rezultati Stroški pridelave sena v odvisnosti od časa in števila košenj indeks trikosni = 100 index three cut = 100 140 120 100 80 60 40 20 0 SS (DM)/ha str (cost)/ha str (cost)/kg str (cost)/nel trikosni (three cut) dvokosni (two cut) enokosni (one cut)

Rezultati - Stroški pridelave sena v odvisnosti od časa in števila košenj Ocena stroškov, vrednosti pridelave in dohodka pri pridelavi sena na Ljubljanskem barju v odvisnosti od časa in števila košenj SIT/ha) Trikosni travnik Dvokosni travnik Enokosni travnik Vrednost pridelave 238803 158807 84934 Stroški 238803 171539 98067 Od tega: variabilni stroški in amortizacija 131634 92963 51479 Dohodek 107169 65844 33455 Razlika v dohodku -41325-73714 Vrednost pridelave - stroški -12732-13133

Rezultati Kratkoročni in dolgoročni učinki pri prireji mleka Primer prireje mleka pri krmljenju sena in koruzne silaže ob dokrmljevanju zmernih količin močne krme Ocena kratkoročnih učinkov - prilagoditev staleža Trikosni Dvokosni Enokosni travnik travnik travnik Ocena dolgoročnih učinkov - prilagoditev površine Trikosni Dvokosni Enokosni travnik travnik travnik Mlečnost (lit/kravo) 4000 4000 4000 4000 4000 4000 Zemlja skupaj (ha) 1,00 1,00 1,00 1,00 1,23 1,82 od tega: njiv 0,40 0,32 0,22 0,40 0,40 0,40 travnikov 0,60 0,68 0,78 0,60 0,84 1,42 Število krav - No. of cows 2,47 2,00 1,35 2,47 2,47 2,47 SIT/ha vse zemlje Prihodek 711800 576902 390634 711800 711800 711800 Variabilni stroški 190672 167799 120895 190672 207035 220290 od tega: močna krma 9798 21795 22844 9798 26891 41626 Amortizacija krav 60119 48726 32993 60119 60119 60119 Druga amortizacija 116998 116998 116998 116998 116998 116998 Variabilni stroški in amortizacija. 367789 333522 270885 367789 384152 397407 Dohodek 344011 243380 119748 344011 327648 314393 Razlika do trikosnega travnika - -100631-224262 - -16363-29618 SIT/ha travnikov Razlika do trikosnega travnika - -148448-287883 - -19564-20866 Ocena samo na travinju Razlika do trikosnega travnika - -41325-73714 - -12732-13133

Rezultati Ocena višine nadomestil Predlog višine nadomestil na hektar ekstenzivnih travnikov, potrebnih za pokritje izpada dohodka zaradi kasnejše košnje travnikov Ljubljanskega barja Dogovorjen način rabe Enkratno nadomestilo Izhodiščni način rabe Trikosni travnik Dvokosni travnik Enokosni travnik Trajno nad. SIT/leto Enkratno nadomestilo Trajno nad. SIT/leto Enkratno nadomestilo Trajno nad. SIT/leto Dvokosni travnik 0,4 ha 1) 20000-20000 - - Enokosni travnik 1,4 ha 2) 21000 1,0 ha 2) 21000-21000 1) Vrednost navedene površine dvokosnega travnika ali dodelitev ustreznega travnika v uporabo. 2) Vrednost navedene površine enokosnega travnika ali dodelitev ustreznega travnika v uporabo uporabo

Sklepi Kasnejša košnja in s tem povezano manjše število košenj negativno vpliva na dohodek Padec dohodka pri prireji mleka zaradi kasnejše košnje je izrazit v kratkem obdobju, v katerem se odrazijo predvsem učinki zmanjšanega staleža zaradi manjše pridelave krme na travnikih Po prilagoditvi proizvodnje, to je v dolgem obdobju, so negativni učinki spremenjenega načina rabe bistveno manjši Predlagamo, da se v primeru ekstenziviranja rabe travnikov nadomestilo za izpad dohodka dodeli v dveh oblikah: V obliki enkratnega nadomestila, ki bo omogočilo prilagoditev pridelave in v obliki trajnega (vsakoletnega) nadomestila, ki predstavlja nadomestilo za izpad dohodka v dolgem obdobju.