الفهرس | Only 14 pages are availabe for public view |
Abstract The experiments were carried out on cucumber (Cucumis sativus. L) cv. Nile F1 hybrid under green houses at Kaha Research Farm, Hort. Res. Inst., ARC, Egypt. The aim of study was to compare the effect of chicken manure and mineral fertilizers under different methods of agriculture and applications. Therefore, the investigation consisted of two experiments each them was cultivated in the winter seasons of 2001/2002 and 2002/2003. The first trail was studying the effect of chicken manure and mineral fertilizers on cucumber cultivated on either rice straw bales or soil. Meanwhile, the second experiment was conducted to study the effect of chicken manure and mineral solutions added to the nutrient film technique in intermittent on rice straw cubes and continuous flow on peat moss and vermiculite. Data obtained on growth, fresh and dry weight, chlorophyll content in leaves, fruit sitting, yield, fruit characteristics, carbohydrates in fruit, nitrogen composition (total N, nitrate and nitrite) and heavy metals (Pb, Cd and Ni) concentration in cucumber plants under greenhouse. The results indicated that using mineral fertilizers with rice straw bales was the best comparing with the other treatments concerning plant growth, chlorophyll, yield and fruit characteristics. Similar results were obtained by using mineral fertilizers with continuous solution flow. Chicken manure with rice straw bales or intermittent flow gave the highest carbohydrate content in fruits. Nitrogen composition and heavy metals were increased with mineral fertilizers and soil culture or continuous flow compared with the other treatments. |