Pošlji prispevek (e-pošta) Ovrednotenje pridelka silažne koruze in vsebnosti organske snovi v tleh v razmerah zelenega podora
Povzetek
Za ovrednotenje učinka različnega zelenega podora iz družin trav in križnic na pridelek in nekatere komponente pridelka silažne koruze, poraslosti s pleveli in vsebnosti organske snovi v tleh je bil izveden popolni naključni bločni poskus s tremi ponovitvami v treh zaporednih rastnih sezonah (2017-2020) na posestvu Agricultural and Natural Resources Research and Education Centre of Southern Khorasan. Obravnavanja v poskusu so obsegala kontrolo (brez uporabe zelenega podora) in uporabo zelenega podora z ječmenom, trtikalo, oljno ogrščico in rukvico, z optimalno in dvakrat optimalno gostoto setve. Rezultati so pokazali, da je imelo zeleno gnojenje z ječmenom in tritikalo pri dvakratniku optimalne setve, 865,7 in 802,9 g m-2, večjo suho maso zelenega podora. Pred začetkom setve koruze je bila suha masa organske snovi v tleh, poprečno 0,73 g, večja pri zelenem gnojenju z ječmenom pri dvakratni optimalni gostoti kot pri drugih obravnavanjih. Največji pridelek silažne koruze, 45,7 in 44,9 t ha-1, je bil dosežen pri zelenem gnojenju z ječmenom pri dvakratniku optimalne gostote setve in optimalni gostoti setve (22,8 in 20,7 odstotkov več kot pri kontrolnem obravnavanju) in potem pri tritikali pri obeh gostotah setve ter pri dvakratniku optimalne gostote setve pri oljni ogrščici in rukvici.
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DOI: http://dx.doi.org/10.14720/aas.2022.118.3.2194
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Avtorske pravice (c) 2022 Elias ARAZMJOO, Alireza MOGHRI FERIZ, MohammadAli BEHDANI, Sohrab MAHMOODI
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