RESEARCHES CONCERNING PLANT DIRECTING METHOD AND FERTILIZATION METHOD ON EGGPLANT CULTIVATED IN PLASTIC TUNNELS
AbstractThe aim and the objectives of the experiments effectuated at the University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Romania, was to establish the best plant directing method and the fertilization method for eggplant cultivated in plastic tunnel covered with durable polyethylene film in a less favourable area. During the experience the following observations have been done: crop dynamic; early and total yield; fruit quality. The directing method of plants influences both early and total yield. So, for the variants with plants directed with 3 branches the yield increase was 58.6% for early yield and 7.5% for the total yield comparative with the variants with undirected plants. Fertilization method influenced mostly the early yield. For the weekly fertilization the yield difference was significant positive given the control (monthly fertilization). If we take in consideration the total yield variants with weekly fertilization had a yield increase about 9.2% given the control but the yield differences were not assured statistically. Under the combined influence of factors the best results, for both early and total yield, were obtained by the variants with plant directed with 2 respectively 3 branches and weekly fertilization.
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