2007
DOI: 10.1016/j.biortech.2006.10.015
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Improving rock phosphate availability through feeding, mixing and processing with composting manure

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Cited by 35 publications
(20 citation statements)
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“…In our experiment, improved yields were obtained when using organic manure as compared with local fertilization. It has already been shown that phosphorus availability in andosols was improved with organic manure [20]. It is also known that the organic phosphorus fraction (75% of total P) from poultry manure strongly integrates the pool of the soil steady organic matter [21] and organic colloids prevent soluble phosphates from linking with soluble Fe and Al in acidic soils.…”
Section: Discussionmentioning
confidence: 99%
“…In our experiment, improved yields were obtained when using organic manure as compared with local fertilization. It has already been shown that phosphorus availability in andosols was improved with organic manure [20]. It is also known that the organic phosphorus fraction (75% of total P) from poultry manure strongly integrates the pool of the soil steady organic matter [21] and organic colloids prevent soluble phosphates from linking with soluble Fe and Al in acidic soils.…”
Section: Discussionmentioning
confidence: 99%
“…Further, high amounts of organic P are produced, presumably during the decomposition of enriched compost process as well as in the soil in comparison of ordinary compost process, and this increases P uptake by the plants (Biswas and Narayanasamy 2002). Odongo et al (2007) reported that P-enriched composting in the presence of wheat straw significantly increased P availability and increased plant growth. Higher nutrient uptake by potato and soybean due to enriched composts could possibly be attributed partly to the contribution of other plant nutrients and partly to a favourable effect on physical, chemical and biological properties of the soil which in turn, helps in higher biomass production as well as greater nutrient uptake by plant.…”
Section: Nutrient Uptake By Potato and Soybeanmentioning
confidence: 98%
“…Rock phosphate enriched compost produced longer stem, larger shoot diameter, and leaf area and biomass than rock phosphate amended substrates. This is probably due to the fact that rock phosphate underwent the composting process enriches the final compost available P (Goyal & Mishra 1983;Singh et al 1983;Akande et al 2005;Odongo et al 2007;Nishanth & Biswas 2008;Biswas et al 2009). During composting, OM decomposition produces organic acids and evolves CO 2 forming weak carbonic acid which enhances the dissolution of RP and increases P solubility (Biswas & Narayanasamy 2006).…”
Section: Discussionmentioning
confidence: 94%
“…Global peak of P production is predicted to occur around 2030 (Cordell et al 2009;Ashley et al 2011). Although there are technical and scientific challenges in the search for alternatives to rock phosphate, there are ways to increase the efficiency of P: for instance recovering P from waste treatments (Güney et al 2008;Cordell et al 2011), use of genotypes that mobilize the soil P (Föhse et al 1988;Horst et al 2001;Bucher 2007) or increasing solubility of the low-reactive rock phosphate by composting (Biswas & Narayanasamy 2006;Odongo et al 2007;Aria et al 2010). The search for practicable alternatives to peat-based growing media has led many researchers to substitute peat with other organic components.…”
Section: Introductionmentioning
confidence: 98%