Response of grain amaranth (Amaranthus cruentus L.), to method and rate of cattle kraal manure application at Kadawa and Samaru in Nigeria
2011
Okutu, P.C., Ahmadu Bello University, Samaru, Zaria (Nigeria). Institute for Agricultural Research, Department of Agronomy | Abdullahi, M.A., Bayero University, Kano (Nigeria). Faculty of Agriculture, Department of Agronomy | Oyidiya, I.J., Ahmadu Bello University, Samaru, Zaria (Nigeria). Institute for Agricultural Research, Department of Agricultural Engineering | Olatunde, O.J., Ahmadu Bello University, Samaru, Zaria (Nigeria). Institute for Agricultural Research, Department of Agricultural Engineering
Field experiments were conducted between June and October 2010 wet season at two different locations. The first was at the Horticultural Research Garden of the Institute for Agricultural Research (IAR), Samaru in the Northern Guinea Savanna agro-ecological zone and the second experiment was conducted at the Research Farm of the Irrigation Research Sub-Station (IRS), Kadawa in the Sudan Savanna agro-ecological zone also of the Institute for Agricultural Research, Ahmadu Bello University, Zaria, Nigeria to evaluate the response of grain amaranth growth and green edible vegetable yield components to three methods of cattle kraal manure application (broadcasting, side banding and spot placement incorporated) and five rates of cattle kraal manure application (0, 5, 10, 15 and 20 t/ha), using the variety ‘Pure branch’. The experiment was laid out in a randomized complete block design (RCBD) and replicated three times. Cattle kraal manure application rates significantly (p is greater than 0.05) increased growth of green edible vegetable yield characters of grain amaranth except stem girth at Samaru. Growth and green edible vegetable yield characters were generally not influenced by methods of cattle kraal manure application except for plant height, number of leaves per plant at 12 WAT at Samaru, and plant fresh weight at 12 WAT at Kadawa and dry weight at 4 and 12 WAT at Samaru and 12 WAT at Kadawa. Application of cattle kraal manure of 10 t/ha to Amaranthus cruenthus gave the highest mean values which were comparable to those of 15 and 20 t/ha rates for all the characters measured such as plant height, number of leaves, leaf area, fresh and dry weights. Thus, the finding suggests that 10 t/ha should be recommended to farmers growing Amaranthus in the Northern Guinea and Sudan Savanna of Nigerian agro-ecologies.
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