Improvement of crop yield by phosphate-solubilizing Aspergillus species in organic farming

References

• Aseri GK, Jain N, Tarafdar JC. 2009. Hydrolysis of organic phosphate forms by phosphatase and phytase producing fungi of arid and semi arid soils of India. Am Eurasian J Agric Environ Sci. 5:564–570.
   Google Scholar
• Cassida LE. 1977. Microbial metabolic activity in soil as measured by dehydrogenase determinations. Appl Environ Microbiol. 34:630–636.
   PubMed Web of Science ®Google Scholar
• Chung H, Park M, Madhaiyan M, Seshadri S, Song J, Cho H, Sa T. 2005. Isolation and characterization of phosphate solubilizing bacteria from the rhizosphere of crop plants of Korea. Soil Biol Biochem. 37:1970–1974.
   Web of Science ®Google Scholar
• Dick RP, Breakwill D, Turco R. 1996. Soil enzyme activities and biodiversity measurements as integrating biological indicators. In: Doran, JW, Jones, AJ, editors. Handbook of methods for assessment of soil quality. Madison (WI): Soil Science Society America; p. 247–272.
   Google Scholar
• Heinonen JK, Lahti RJ. 1981. A new and convenient colorimetric determination of inorganic orthophosphate and its application to the assay of inorganic pyrophosphatase. Anal Biochem. 113:313–317.
   PubMed Web of Science ®Google Scholar
• IFOAM-International Federation of Organic Agriculture Movement. 2008. Available from: http://www.ifoam.org/growing_organic/definitions/doa/index.html
   Google Scholar
• Jackson ML. 1973. Methods of chemical analysis. New Delhi: Prentice Hall of India (Pvt.)
   Google Scholar
• Kang SC, Choi MC. 1999. Solid culture of phosphate-solubilizing fungus. San’oeb Misaengmul Haghoeji. 27:1–7.
   Google Scholar
• Khan MS, Zaidi A, Ahemad M, Oves M, Wani PA. 2010. Plant growth promotion by phosphate solubilizing fungi – current perspective. Arch Agron Soil Sci. 56:73–98.
   Google Scholar
• Kitson RE, Mellon MG. 1944. Colorimetric determination of phosphorus as molybdovanadophosphoric acid. Ind Eng Chem. 16:379–383.
   Google Scholar
• Mittal V, Singh O, Nayyar H, Kaur J, Tewari R. 2008. Stimulatory effect of phosphate solubilizing fungal strains (Aspergillus awamori and Penicillium citrinum) on the yield of chickpea (Cicer arietinum L. cv. GPF2). Soil Biol Biochem. 40:718–727.
   Web of Science ®Google Scholar
• Nahas E. 1996. Factors determining rock phosphate solubilization by microorganisms isolated from soil. World J Microb Biot. 12:567–572.
   PubMed Web of Science ®Google Scholar
• Nelson N, Mikkelsen R. 2008. Meeting the phosphorus requirement on organic farms. Better Crops. 92:12–14.
   Google Scholar
• Olsen SR, Cole CV, Watanabe FS, Dean LA. 1954. Estimation of available phosphorus in soils by extraction with sodium bicarbonate. U.S. Government printing office. Washington (DC): US Department of Agriculture. Circular No. 939.
   Google Scholar
• Pikovskaya RI. 1948. Mobilization of phosphorous in soil connection with the vital activity of some microbial species. Microbiologiya. 17:362–370.
   Google Scholar
• Piper CS. 1966. Soil and plant analysis: a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants. Bombay: Hans Publications.
   Google Scholar
• Pradhan N, Sukla LB. 2005. Solubilization of inorganic phosphates by fungi isolated from agriculture soil. Afr J Biotechnol. 5:850–854.
   Web of Science ®Google Scholar
• Rao AV, Bala K, Tarafdar JC. 1990. Dehydrogenase and phosphatase activities in soil as influenced by the growth of arid-land crops. J Agric Sci. 115:221–225.
   Web of Science ®Google Scholar
• Reddy MS, Kumar S, Khosla B. 2002. Biosolubilization of poorly soluble rock phosphates by Aspergillus tubingensis and Aspergillus niger. Bioresour. 84:187–189.
   PubMed Web of Science ®Google Scholar
• Relwani L, Krishna P, Reddy MS. 2008. Effect of carbon and nitrogen sources on phosphate solubilization by a wild-type strain and UV-induced mutants of Aspergillus tubingensis. Curr Microbiol. 57:401–406.
   PubMed Web of Science ®Google Scholar
• Reyes I, Bernier L, Antoun H. 2002. Rock phosphate solubilization and colonization of maize rhizosphere by wild and genetically modified strains of Penicillium rugulosum. Microb. 44:39–48.
   Google Scholar
• Reyes I, Bernier L, Simard RR, Antoun H. 2001. Solubilization of phosphate rocks and minerals by a wild-type strain and two UV-induced mutants of Penicillium rugulosum. Soil Biol Biochem. 33:1741–1747.
   Web of Science ®Google Scholar
• Richa G, Khosla B, Reddy MS. 2008. Improvement of maize plant growth by phosphate solubilizing fungi in rock phosphate amended soils. World J Agric Sci. 3:481–484.
   Google Scholar
• Richardson AE, George TS, Hens M, Simpson RJ. 2005. Utilization of soil organic phosphorus by higher plants. In: Turner, BL, Frossard, E, Baldwin, DS, editors. Organic phosphorus in the environment. Wallingford: CAB International; p. 165–184.
   Google Scholar
• Schaffer A. 1993. Pesticide effects on enzyme activities in the soil ecosystem. In: Bollag, JM, Stotzky, G, Dekker, M, editors. Soil biochemistry (Vol. 8). New York (NY): Marcel Dekker; p. 273–340.
   Google Scholar
• Shin W, Ryu J, Kim Y, Yang J, Madhaiyan M, Sa’ T. 2006. Phosphate solubilization and growth promotion of maize (Zea mays L.) by the rhizosphere soil fungus Penicillium oxalicum. 18th World Congress of Soil Science; July 9–15; Philadelphia, (PA).
   Google Scholar
• Singh H, Reddy MS. 2011. Effect of inoculation with phosphate solubilizing fungus on growth and nutrient uptake of wheat and maize plants fertilized with rock phosphate in alkaline soils. Eur J Soil Biol. 47:30–34.
   Google Scholar
• Singh H, Reddy MS. 2012. Improvement of wheat and maize crops by inoculating Aspergillus spp. In alkaline soil fertilized M.S with rock phosphate. Arch Agron Soil Sci. 58:535–546.
   Web of Science ®Google Scholar
• Tabatabai MA, Bremner JM. 1969. Use of p-nitrophenyl phosphate for assay of soil phosphatase activity. Soil Biol Biochem. 1:301–307.
   Google Scholar
• Tu C, Ristaino JB, Hu S. 2006. Soil microbial biomass and activity in organic tomato farming systems: effects of organic inputs and straw mulching. Soil Biol Biochem. 38:247–255.
   Web of Science ®Google Scholar
• Van Straaten P. 2007. Agrogeology: the use of rocks for crops. Cambridge (ON): Enviro quest; p. 87–164.
   Google Scholar
• Vassilev N, Fenice M, Federici F. 1996. Rock phosphate solubilization with gluconic acid produced by immobilized Penicillium variabile P16. Biotechnol Tech. 10:585–588.
   Google Scholar
• Wahid OA, Mehana TA. 2000. Impact of phosphate solubilizing fungi on the yield and phosphorus uptake by wheat and faba bean plants. Microbiol Res. 155:221–227.
   PubMed Web of Science ®Google Scholar
• Walkley A. 1947. A critical examination of a rapid method for determining organic carbon in soils—effect of variations in digestion conditions and of inorganic soil constituents. Soil Sci. 63:251–264.
   Web of Science ®Google Scholar