[A study of how some production factors of Big rolls could effect on the success of the lawns]
2014
Ahmad,N
This research carried out at Tishreen University, Faculty of Agriculture in collaboration with Arouse Brothers Nurseries during two agricultural seasons (2010-2011, 2011-2012(. The aim of this research was to determine the best date and culture medium for Big rolls production from mix of turf grass seeds (Lolium perenne, Festuca arundinacea, Festuca rubra, Poa partensis) and to determine the lowest possible costs. Seven different media using two Thickness (6 and 9 cm) were experimented in two different dates (15 Sept, 1 April). The results showed that the two media, which their components were turf and remnants of mushrooms compost have given the best germination percentage (78-84%) in both dates. They also gave a ready Big rolls in a less period than the other media (78-102) days, in addition to the best quality of Big rolls in terms of the light weight (41.96 to 53.89 kg/m2), the rate of coverage (93-98%) and the degree of color (6.9 to 7.6), respectively. The increase of the thickness of media has improved the quality of Big rolls like the coverage rate and the degree of color. But at the same time it increased the weight significantly (27.79 to 35.18 kg /m2). Nevertheless, it also contributed to increase the production costs (medium set up price, agricultural service operations, and the cost of loading and transportation) which reflected negatively on the coefficient of profitability. The increase of the organic matter in the culture medium has raised the proportion of dry matter in both parts shoots and roots. 51 The medium of remnants mushroom compost has achieved the highest economic profit, compared with other media. The coefficient of its profitability has reached (194,4%).
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