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Published in Scientific Papers. Series B, Horticulture, Vol. LXIV, Issue 1
Written by Gabriel-Ciprian TELIBAN, Gianluca CARUSO, Neculai MUNTEANU, Alexandru COJOCARU, Lorena-Diana POPA, Vasile STOLERU

This research was carried out in North-Eastern Romania in order to evaluate the effects of mulching and fertilization on the yield of fresh leaves for the perennial wall-rocket crop - Diplotaxis tenuifolia (L.) D.C. grown in the tunnel. Comparisons were made between three variants of soil mulching: non-mulched (NM), mulched with white polyethylene (WLDPE) and mulched with black polyethylene (BLDPE) and three variants of fertilization: non-fertilized (NF), chemical fertilization (Ch) and application of microorganisms (M). The best combinations in terms of production were obtained by the variants WLDPE x Ch (25.3 t·ha-1) and WLDPE x M (23.9 t·ha-1), productions that were also supported by the highest Leaf Area Index (LAI) and the highest weight of the dry matter. The highest chlorophyll content was recorded by the NM x Ch variant. Following the experiments carried out, both mulching with white film and chemical fertilization determined good production results, but the combination of the two factors led to the phenomenon of synergism, generating the highest yields. For the fall harvest cycle, the species behaves well in the North-East of Romania conditions.

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