Comparative Effect of NPK Fertilizer, Poultry Manure and Rice Mill Waste on Soil Chemical Properties, Nutrient Content and Performance of Ginger (zingiber Officinale Roscoe) in Umudike, Southeastern Nigeria

References

1. Akinrinde, E. A. (2006). Strategies for improving crops use efficiencies of fertilizer nutrients in sustainable agricultural systems. In Pakistan Journal of Nutrition 5 (2):185-189.
2. Awodim, M. A. (2007). Effect of poultry manure on the growth, yield and nutrient content of fluted pumpkin (Telfairia occidentalis Hook F.). Asian Journal of Agricultural Research 1(2):167-73.
3. Bray, R. H. and Kurtz, N. T. (1945). Determination of total organic and available forms of phosphorus in soil. Nigeria Journal of Soil Science 59: 39 - 45.
4. Bremner, J. M. (1996). Nitrogen - Total. In: Methods of Soils Analysis, Chemical Methods, Sparkes, D.L. (Ed). American Society of Agronomy and Soil Science Society of America, Madison, USA., pp. 1085 - 1121.
5. Brouwer, J. and Powell, J. M. (1995). Soil aspect of nutrient recycling in a manure application experiment in Niger. In: Powell, J.M., Fernandez - Rivera, William T.O. and C. (eds.). Cycling in mixed farming systems of sub-Saharan Africa.Vol.2. Technical Paper. Proceedings of an International Conference held in Addis Ababa, Ethiopia, 22-26 November 1993. ILCA. International (Livestock re-Center for Africa), Addis Ababa, Ethiopia.Pp.211.
6. Chude V. O., Malgwi, W. B., Amapu, I. Y. and Ano, O. A. (2004). Manual on soil fertility assessment. Published by Federal Fertilizer Department in collaboration with National special programme for Food Security, Abuja Nigeria. Pp. 32-32.
7. Chukwu, G. O. (2013). Soil Survey and Classification of Ikwaano, Abia State, Nigeria. Journal of Environmental Science and Water Resources. Vol. 2(5): 150-156.
8. Emchue, J. U. K. (2003).Towards increased production and export of ginger in Nigeria. Proceedings of the 2nd National ginger workshop 2003. Umudike Nigeria. Pp.85-92.
9. Enwezor, W. O., Ohiri, A. C., Opuwaribie, E. E. and Udo, E. J. (1990). A review of Soil Fertility Investigation in Southeastern Nigeria. Vol II FDA Lagos Nigeria.
10. FAO (Food and Agriculture Organization). (2006). Guidelines for Soil Description. 4th Edn., Food and Agriculture Organization of the United Nations (FAO), Rome, Italy. ISBN-13: 978925105512, Pages: 97.
11. FAO (Food and Agriculture Organization). (2009). Grass-land Index. A searchable catalogue of grass and forage legumes. Food and Agriculture Organization of the United Nations (FAO), Rome, Italy.
12. Hoffman, I., Gerling, D., Kiyogwen, U. B. and Mane-Bielfeldt, A. (2001). Farmer's Management Strategies to maintain soil fertility in a remote area in Northern Nigeria. Elsevier, Agriculture, Ecosystem and Environment, 86: 263-275.
13. Ibeawuchi, I. I., Ofoh, M. C., Udo, E. U. and Onu, N. N. (2006). Effects of poultry manure on green (Amaranthus cruentus) and waterleaf (Talinum triangulare) on degraded Ultisols of Owerri, Southeastern Nigeria. Journal of Animal and Veterinary Advances, 5: 53-56.
14. Ibitoye, A. A. (2006). Laboratory Manual on Basic Soil analysis. Fudative Publishers, Akure Nigeria.
15. IITA (International Institute of Tropical Agriculture), (1989). Automated and semi-automated methods for soil and plant analysis. Manual Series No. 7. Ibadan (Nigeria), International Institute of Tropical Agriculture.
16. Iren, O. B., Aswalam, D. O. and Osodeke, V. E. (2011). Effects of lime and method of pig manure application on growth parameters and yield of Amaranthus Cruentus in a Rainforest Ultisol in Nigeria. Production Agric. and Tech. 7(2), 71(3): 103 - 116.
17. Iren, O. B., John, N. M. and Iimak, E. A. (2012). Effects of sole and combined applications of organic manures and urea on growth, crude protein and nutrient uptake of fluted pumpkin (Telfairia occidentalis, Hook F.). Journal of Agriculture, Forestry and Environment 2(1): 76-84.
18. Ketkar, C.M. (1993). Use of Biogas Slurry in Agriculture: Biogas Slurry Utilization. Consortium Rural Technolo-gy, New Delhi, pp. 23-26.
19. Motavalli, P., Marier, T., Cruz, V. and Cornell, M. C. (2001). Fertilizer facts: Forms of fertilizers and other soil amendments. Soil Science Programs, College of Agriculture and Life Sciences, University of Guam, USA.
20. Moyin-Jesu, E. I. (2008). Evaluation of different organic fertilizers on the soil, leaf chemical composition and growth performances of coffee seedlings (Coffea arabica L.). Afr. J. Sci. Technol. Sci. Eng. 9: 105-112.
21. Murwira, H. K. and Kirchman, H. (1993).Carbon and nitrogen mineralization of cattle manures subjected to different treatments in Zimbabwe and Swedish soils. In: Mulongoy K. and R. Merck (Eds). Soil organic matter dynamics and sustainability of tropical agriculture. Pp 189-198.
22. NRCRI (National Root Crops Research Institute). (2014). Agrometeorological unit National Root Crops Research Institute 2014.
23. Nweke, I. A. and Nsoanya, LN. (2013). Effect of poultry manure and inorganic fertilizer on the performance of maize (Zea mays L.) on selected physical properties of soils of Igbaram, Southeastern Nigeria. International Journal of Agriculture and Rural Development. 16 (1):1348-1353.
24. Odedina, J. N., Ojeniyi, S. O. and Odedina, S. A. (2011). Comparative effect of animal manures on soil nutrients, nutrient status and performance of cassava. Nigerian Journal of Soil Science 21(1): 58-63.
25. Oghodo, E. N. (2009). Effect of crop residue on soil chemical properties and rice yields in an ultisol at Abakaliki, Southeastern Nigeria. Int. J. Sustain. Agric. 3: 442-447.
26. Ojeniyi, S.O. (2000). Effect of Goat manure on soil Nutrients and okra yield in Gwarri Area of Niger state, Nigeria. de-pleted Tropical agriculture 5:20-23.
27. Okwuowulu, P. A. (2003). Ginger in Africa and the Pacific Ocean Islands. Edited by P.N.Ravindran and K. Nirmal Babu. Medicinal and Aromatic plants-industrial profiles. CRC Press Boca Raton London New York Washington DC.
28. Pool, N. L., Trinidad, S. A., Eschenes, B. J. D., Perez, M. J. and Martinez, G. A. (2000). Improvement of soil fer-tility in hillside agriculture of Los Altos de Chiapas Mexico. Agrociencia 34(3): 247-259.
29. Schwarz, H. A., Rios, D. C. (2007). High performance liquid chromatographical analysis of 6-gingerol,8-gingerol, 10-gingerol and 6-shogaol in ginger containing dietary supplements, spices teas and beverages. J. Chro-matography B, 856(1): 41-47.
30. Sedleck, B. and Wang, C. H. (1993). Particle - Size Dis-tribution. In: Soil Sampling and Methods of Analysis, Carter, M. R. (Ed.). Lewis Publishers Ann Arbor MI., pp. 495 - 511.
31. Udo, E. J., Ndon, A. N., Asuquo, P. E. and Ndaeyo, N. U. (2005). Crop Production Techniques for the Tropics, Lagos Pp. 188-206.