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Enhanced Growth and Yield Performance of Cassava Peel Compost and Mineral Fertilizer on Corchorus olitorius L.

Journal of Agricultural Science and Technology(B) 2014年第3期4卷 188-194页

作者： Ibidunni Temitope Okesiji Amudalat Bolanle Olaniyan james alabi adediran Adeniyi Olumuyiwa Togun Forestry Research Institute of Nigeria Ibadan Nigeria Department of Agronomy University of lbadan Nigeria Institute of Agricultural Research and Training Ibadan Nigeria Department of Crop Protection and Environmental Biology University of Ibadan Nigeria

Application of inorganic fertilizers improves crop yields but costs and adverse health effects often discourage their applications. This study therefore aims at evaluating the combined effects of cassava peel compost with poultry manure and mineral fertilizer on growth and yields of Corchorus olitorius. Pots （factorial laid out in a randomized complete block design） and field （split-plot with fertilizer being the main effect and the varieties the sub plot effect） experiments were carried out during rainy season at Ibadan, Nigeria. Treatments consisted of 0, 5, l0 and 20 t/ha composts prepared from cassava peel and poultry manure in ratio 3：1 and mineral fertilizer （NPK 15：15：15） at the rate of 250 kg/ha, using two varieties of C. olitorius. Five and six weeks after planting （WAP）, plants were assessed for growth and yields in pot and field experiments respectively, and also in residual studies. Application of compost significantly improved growth （heights）（36.50-41.56 cm）, while morphological and dry weight values increased with increase in compost. Marketable yield increase of 13.2%, 22.3%, 32.1% and 29.3% were recorded using 5, 10, 20 t/ha compost and NPK fertilizer respectively in the field. Corresponding increase when ratooned were 40.0%, 42.9%, 57.1% and 52.0%, respectively. Application of compost at the rate of 20 t/ha performed better in the main and residual effect experiments compared to NPK fertilizer and other compost rates. Application of cassavas peels compost at the rate of 20 t/ha proved to be adequate for optimum growth and yield performance of C. olitorius.

关键词： Corchorus olitorius compost mineral fertilizer residual effect yield.

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Growth, Nutrient Uptake Efficiency and Yield of Upland Rice as Influenced by Two Compost Types in Tropical Rainforest-Derived Savannah Transition Zone

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Agricultural Sciences 2014年第5期5卷 383-393页

作者： Oyeyemi Adigun Dada Adeniyi Olumuyiwa Togun james alabi adediran Francis E. Nwilene African Rice Center International Institute of Tropical Agriculture (IITA) Ibadan Nigeria Department of Botany University of Ibadan Ibadan Nigeria Department of Crop Protection and Environmental Biology University of Ibadan Ibadan Nigeria Institute of Agriculture Research and Training Ibadan Nigeria

Cultivating traditional upland rice cultivars on nutrient depleted soil causes poor and low yield. Little attention is paid to performance of inter-specific NERICA cultivars grown on nutrient deficient soil augmented with different types of compost. Therefore, field trials were conducted during 2010 and 2011 planting seasons in Ibadan to evaluate growth, dry matter, nutrient uptake efficiency and grain yield of upland rice grown on nutrient deficient soil augmented with different types of compost. There were nine treatments comprising of three upland rice cultivars: NERICA I, NERICA II and Ofada, two compost types applied at the rate of 8 t·ha-1: poultry dropping + maize stover (PDMC) and cattle dung + maize stover (CDMC) and control. The treatments were laid out in randomized complete block design and replicated three times. CDMC enhanced growth, nutrient use efficiency, dry matter and grain yield of upland rice cultivars. Performance of Ofada was better than NERICA cultivars. N (24.55 g), P (12.45 g) and K (35.41 g) uptake concentration and grain yield (5.45 t/ha) were highest in Ofada plots augmented with CDMC. Residual effect of compost on growth, yield and nutrient uptake efficiency of upland rice on nutrient deficient soil was marginal.

关键词： NERICA Compost Poor Soil Dry Matter Nutrient Uptake Efficiency

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FARMER-PARTICIPATORY ON-FARM EVALUATION OF STRIGA HERMONTHICA MANAGEMENT OPTIONS IN THE NIGERIAN NORTHERN GUINEA SAVANNA PILOT SITE OF THE SP-IPM

FARMER-PARTICIPATORY ON-FARM EVALUATION OF STRIGA HERMONTHIC...

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The ⅩⅤth International Plant Protection Congress

作者： A.M.EMECHEBE B.james T.K.ATALA I.KUREH M.A.HUSSAINI B.B.SINGH A.MENKIR A.C.ODUNZE J.P.VOH S.G.ADO S.O.alabi International Institute of Tropical Agriculture Kano Station PMB 3112 Kano Nigeria International Institute of Tropical Agriculture Biological Control Center for Africa Cotonou Benin Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria International Institute of Tropical Agriculture Kano Station PMB 3112 Kano Nigeria International Institute of Tropical Agriculture Oyo Road PMB 5320 Ibadan Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria Institute for Agriculture Research Ahmadu Bello University Zaria Nigeria

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