We compared the impact of surface broadcasted N-Viro biosolids and inorganic fertilizer (16.5% Ammonium sulphate, 34.5% Diammonium phosphate, 4.5% Potash, and 44.5%？s and/or clay filler) applications on soil properties and nutrients, leaf nutrient concentration, and the fruit yield of lowbush blueberry under irrigated and nonirrigated conditions during 2008-2009 at Debert, NS, Canada. Application rates of N-Viro biosolids were more than double of inorganic fertilizer applied at a recommended N rate of 32？kg？ha？1. The experimental treatments NI: N-Viro with irrigation, FI: inorganic fertilizer with irrigation, N: N-Viro without irrigation, and F: inorganic fertilizer without irrigation (control) were replicated four times under a randomized complete block design. The NI treatment had the highest OM (6.68%) followed by FI (6.32%), N (6.18%), and F (4.43%) treatments during the year 2008. Similar trends were observed during 2009 with the highest soil OM values (5.50%) for NI treatment. Supplemental irrigation resulted in a 21% increase in the ripe fruit yield. Nonsignificant effect of fertilizer treatments on most of the nutrient concentrations in soil and plant leaves, and on ripe fruits yield reflects that the performance of N-Viro was comparable with that of the inorganic fertilizer used in this study. 1. Introduction Local authorities both overseas and in Canada are continually searching for environmentally acceptable and economically viable means of sewage sludge disposal. The Halifax Regional Municipality in Nova Scotia, Canada, has entered into a partnership with the N-Viro company to treat its biosolids for producing N-Viro biosolids that have been registered as a fertilizer under the Canada Fertilizer Act. The United States Environmental Protection Agency promotes the recycling of sludge material on some crop lands since it is an excellent source of several plant nutrients. The use of N-Viro biosolids as a fertilizer on agricultural lands provides essential plant nutrients while improving the physical and chemical soil properties and enhancing agricultural yield [1, 2]. Nutrients contained in the processed biosolids are slowly released, as those from organic manures, and are stored for a longer time in the soil, thereby ensuring a positive residual effect on plant root development and growth leading to higher crop yields [3, 4]. Literature reports that the release of nitrogen (N) from impregnated waste paper (biosolids) was found to be slow and steady [5]. The N-enriched cow dung used in maize production gave yield comparative inorganic fertilizer
References
[1]
C. G. Cogger, A. I. Bary, D. M. Sullivan, and E. A. Myhre, “Biosolids processing effects on first- and second-year available nitrogen,” Soil Science Society of America Journal, vol. 68, no. 1, pp. 162–167, 2004.
[2]
G. A. O'Connor, D. Sarkar, S. R. Brinton, H. A. Elliott, and F. G. Martin, “Phytoavailability of biosolids phosphorus,” Journal of Environmental Quality, vol. 33, no. 2, pp. 703–712, 2004.
[3]
A. R. Sharma and B. N. Mittra, “Direct and residual effects of organic materials and phosphorus fertilizer in rice based cropping system,” Indian Journal of Agronomy, vol. 36, pp. 299–303, 1991.
[4]
M. M. Abou El-Magd, M. A. Hoda, and Z. F. Fawzy, “Relationships, growth, yield of broccoli with increasing N, P or K ratio in a mixture of NPK fertilizers,” Annals of Agricultural Science Moshtohor, vol. 43, pp. 791–805, 2005.
[5]
M. A. Khan, W. Mingzhi, B. K. Lim, and J. Y. Lee, “Utilization of waste paper for an environmentally friendly slow-release fertilizer,” Journal of Wood Science, vol. 54, no. 2, pp. 158–161, 2008.
[6]
O. T. Ayoola and E. A. Makinde, “Performance of green maize and soil nutrient changes with fortified cow dung,” African Journal of Plant Science, vol. 2, pp. 19–22, 2008.
[7]
N. Q. Arancon, C. A. Edwards, P. Bierman, J. D. Metzger, and C. Lucht, “Effects of vermicomposts produced from cattle manure, food waste and paper waste on the growth and yield of peppers in the field,” Pedobiologia, vol. 49, no. 4, pp. 297–306, 2005.
[8]
K. A. Barbarick and J. A. Ippolito, “Nutrient assessment of a dryland wheat agroecosystem after 12 years of biosolids applications,” Agronomy Journal, vol. 99, no. 3, pp. 715–722, 2007.
[9]
D. E. Yarborough, Wild Blueberry, University of Maine Cooperative Extension, Orono, Me, USA, 2009.
[10]
L. J. Eaton, Nitrogen cycling in lowbush blueberry stands, Ph.D. thesis, Dalhousie University, Nova Scotia, Canada, 1988.
[11]
D. C. Percival and J. P. Prive, “Nitrogen formulation influences plant nutrition and yield components of lowbush blueberry (Vaccinium angustifolium Ait.),” Acta Horticulturae, vol. 574, pp. 347–353, 2002.
[12]
R. M. Seymour, G. Starr, and D. E. Yarborough, “Lowbush blueberry (Vaccinium angustifolium) with irrigated and rain-fed conditions,” Small Fruits Review, vol. 3, no. 1-2, pp. 45–56, 2004.
[13]
D. D. Tarkalson, J. O. Payero, S. M. Ensley, and C. A. Shapiro, “Nitrate accumulation and movement under deficit irrigation in soil receiving cattle manure and commercial fertilizer,” Agricultural Water Management, vol. 85, no. 1-2, pp. 201–210, 2006.
[14]
K. T. Webb, R. L. Thompson, G. J. Beke, and J. L. Nowland, Soils of Colchester County, Nova Scotia, Report No. 19 Nova Scotia Soil Survey, Research Branch, Agriculture, Ottawa, Canada, 1991.
[15]
J. C. Yeomans and J. M. Bremner, “Carbon and nitrogen analysis of soils by automated combustion techniques,” Communications in Soil Science and Plant Analysis, vol. 22, no. 9-10, pp. 843–850, 1991.
[16]
A. Mehlich, “Mehlich 3 soil test extractant: a modification of Mehlich 2 extractant,” Communications in Soil Science and Plant Analysis, vol. 15, no. 12, pp. 1409–1416, 1984.
[17]
J. B. Jones and V. W. Case, “Sampling, handling and analyzing plant tissue samples,” in Soil Testing and Plant Analysis, R. L. Westerman, Ed., vol. 5 of SSSA Book, SSSA, Madison, Wis, USA, 1990.
[18]
G. W. Gee and D. Or, “Particle-size analysis,” in Methods of Soil Analysis Part 4, J. H. Dane and G. C. Topp, Eds., vol. 5 of SSSA Book, SSSA, Madison, Wis, USA, 2002.
[19]
R. B. Grossman and T. G. Reinsch, “Bulk density and linear extensibility,” in Methods of Soil Analysis Part 4, J. H. Dane and G. C. Topp, Eds., vol. 5 of SSSA Book, SSSA, Madison, Wis, USA, 2002.
[20]
L. Eaton, K. Sanderson, and S. Fillmore, “Nova Scotia wild blueberry soil and leaf nutrient ranges,” International Journal of Fruit Science, vol. 9, no. 1, pp. 46–53, 2009.
G. L. Kuepper and S. Diver, “Blueberries: organic production—horticulture production guide,” 2010, http://attra.ncat.org/attra-pub/PDF/blueberry.pdf.
[23]
J. R. Ehleringer and T. E. Dawson, “Water uptake by plants: perspectives from stable isotope composition,” Plant, Cell and Environment, vol. 15, no. 9, pp. 1073–1082, 1992.
[24]
J. W. Paul and E. G. Beauchamp, “Nitrogen availability for corn in soils amended with urea, cattle slurry, and solid and composed manure,” Canadian Journal of Soil Science, vol. 73, pp. 253–266, 1993.
[25]
J. J. Cho, R. S. Shimabuku, H. R. Valenzuel, R. Uchida, and R. F. Mau, “The effect of solarization, metam sodium, biological soil treatment and cover crop amendment on pink root incidence and yield of sweet onion in Maui, Hawaii,” Proceedings of Florida State Horticulture Society, vol. 113, pp. 218–221, 2000.
[26]
M. C. Villar, V. Petrikova, M. Díaz-Ravi？a, and T. Carballas, “Recycling of organic wastes in burnt soils: combined application of poultry manure and plant cultivation,” Waste Management, vol. 24, no. 4, pp. 365–370, 2004.
[27]
S. L. Lipoth and J. J. Schoenau, “Copper, zinc, and cadmium accumulation in two prairie soils and crops as influenced by repeated applications of manure,” Journal of Plant Nutrition and Soil Science, vol. 170, no. 3, pp. 378–386, 2007.
