This study was carried out during the growing season 2012-2013 at the fields of Agricultural Research Services in Sulaymaniyah Govemorate, to study the effect of chicken manure, sheep manure and chemical fertilizer NP...This study was carried out during the growing season 2012-2013 at the fields of Agricultural Research Services in Sulaymaniyah Govemorate, to study the effect of chicken manure, sheep manure and chemical fertilizer NPK on growth, sepals, seeds yield and some chemical constituents of Roselle plants grown under Sulaymaniyah conditions. The experiment included several treatments as follows: sheep manure, 75% sheep + 25% chicken, 50% sheep + 50% chicken, 25% sheep + 75% chicken, entire chicken manure, chemical fertilizer NPK and unfertilized control. The obtained results showed that all treatments of organic fertilization and NPK were significantly enhanced the vegetative growth parameters, sepals and concentration of anthocyanin of Roselle plants sepals. The treatment of (25% sheep + 75% chicken) gave the best results: plant height (205.33 cm), stem diameter (33.45 ram), number of branches/plant (22.33), total leaf area (3.29 m2), root dry weight (56.81 g), number of fruits/plant (110), fresh weight of fruits (818.44 g) and dry weight of sepals (52.65 g). But the highest concentration of anthocyanin was in the treatment of (75% sheep + 25% chicken) (260.33 mg/100 g) and the lowest concentration of oxalic acid was found in the treatment of (50% sheep + 50% chicken) (4.69 mg/100 g). The results of this study showed that the use of (25% sheep + 75% chicken) could enhance the vegetative growth and produce maximum yield of RoseUe calyx.展开更多
文摘This study was carried out during the growing season 2012-2013 at the fields of Agricultural Research Services in Sulaymaniyah Govemorate, to study the effect of chicken manure, sheep manure and chemical fertilizer NPK on growth, sepals, seeds yield and some chemical constituents of Roselle plants grown under Sulaymaniyah conditions. The experiment included several treatments as follows: sheep manure, 75% sheep + 25% chicken, 50% sheep + 50% chicken, 25% sheep + 75% chicken, entire chicken manure, chemical fertilizer NPK and unfertilized control. The obtained results showed that all treatments of organic fertilization and NPK were significantly enhanced the vegetative growth parameters, sepals and concentration of anthocyanin of Roselle plants sepals. The treatment of (25% sheep + 75% chicken) gave the best results: plant height (205.33 cm), stem diameter (33.45 ram), number of branches/plant (22.33), total leaf area (3.29 m2), root dry weight (56.81 g), number of fruits/plant (110), fresh weight of fruits (818.44 g) and dry weight of sepals (52.65 g). But the highest concentration of anthocyanin was in the treatment of (75% sheep + 25% chicken) (260.33 mg/100 g) and the lowest concentration of oxalic acid was found in the treatment of (50% sheep + 50% chicken) (4.69 mg/100 g). The results of this study showed that the use of (25% sheep + 75% chicken) could enhance the vegetative growth and produce maximum yield of RoseUe calyx.