Organic fertilizer (English Wikipedia)

Birkhofera, Klaus; T. Martijn Bezemerb, c, d, Jaap Bloeme, Michael Bonkowskia, Søren Christensenf, David Duboisg, Fleming Ekelundf, Andreas Fließbachh, Lucie Gunstg, Katarina Hedlundi, Paul Mäderh, Juha Mikolaj, Christophe Robink, Heikki Setäläj, Fabienne Tatin-Frouxk, Wim H. Van der Puttenb, c and Stefan Scheua (September 2008). "Long-term organic farming fosters below and aboveground biota: Implications for soil quality, biological control and productivity". Soil Biology and Biochemistry. 40 (9): 2297–2308. Bibcode:2008SBiBi..40.2297B. doi:10.1016/j.soilbio.2008.05.007. S2CID 53612353. Archived from the original on 2013-02-03. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link)

arizona.edu

ag.arizona.edu

"AZ Master Gardener Manual: Organic Fetilizers". Ag.arizona.edu. Retrieved 2012-01-09.

batcon.org

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beefresearch.ca

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books.google.com

Uphoff, Norman; Ball, Andrew S.; Fernandes, Erick; Herren, Hans; Husson, Olivier; Laing, Mark; Palm, Cheryl; Pretty, Jules; Sanchez, Pedro; Sanginga, Nteranya; Thies, Janice (3 March 2006). Biological approaches to sustainable soil systems. CRC Press. ISBN 9781420017113. Retrieved 2012-01-09.
Uphoff, Norman Thomas (2006). Biological approaches to sustainable ... CRC Press. ISBN 978-1-57444-583-1. Retrieved 25 August 2010.

cog.ca

magazine.cog.ca

"How do the Regenerative Organic Standards compare to the Canadian Organic Standards?". The Canadian Organic Grower. Retrieved 2021-04-09.

colostate.edu

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"Phosphorus Fertilizers for Organic Farming Systems". CO State Extension.
"Organic Materials as *Nitrogen Fertilizers". CO State Extension. Archived from the original on 2013-11-10. Retrieved 2014-07-26.

csa.com

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"CSA". Md1.csa.com. Retrieved 25 August 2010.

doi.org

Christians, Nick E.; Patton, Aaron J.; Law, Quincy D. (2016-11-21). Fundamentals of Turfgrass Management, Fifth Edition. Hoboken, NJ, USA: John Wiley & Sons, Inc. doi:10.1002/9781119308867. ISBN 978-1-119-30886-7.
Guertal, E. A.; Green, B. D. (2012). "Evaluation of organic fertilizer sources for south-eastern (USA) turfgrass maintenance". Acta Agriculturae Scandinavica, Section B. 62 (sup1): 130–138. Bibcode:2012AcASB..62S.130G. doi:10.1080/09064710.2012.683201. ISSN 0906-4710. S2CID 83155937.
Heinrich Dittmar, Manfred Drach, Ralf Vosskamp, Martin E. Trenkel, Reinhold Gutser, Günter Steffens "Fertilizers, 2. Types" in Ullmann's Encyclopedia of Industrial Chemistry, 2009, Wiley-VCH, Weinheim. doi:10.1002/14356007.n10_n01
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Hillel, Daniel (2008), "Soil Fertility and Plant Nutrition", Soil in the Environment, Elsevier, pp. 151–162, doi:10.1016/b978-0-12-348536-6.50016-2, ISBN 978-0-12-348536-6, retrieved 2021-04-08
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Ahmad, Waqar; Singh, Balwant; Dijkstra, Feike A.; Dalal, R.C. (2013). "Inorganic and organic carbon dynamics in a limed acid soil are mediated by plants". Soil Biology and Biochemistry. 57: 549–555. Bibcode:2013SBiBi..57..549A. doi:10.1016/j.soilbio.2012.10.013.
Mente, Andrew; Irvine, E. Jan; Honey, R. John D'A; Logan, Alexander G. (April 2009). "Urinary potassium is a clinically useful test to detect a poor quality diet". The Journal of Nutrition. 139 (4): 743–749. doi:10.3945/jn.108.098319. ISSN 1541-6100. PMID 19211830.
Saito, B.; Seckler, M. M. (2014). "Alkaline extraction of humic substances from peat applied to organic-mineral fertilizer production". Brazilian Journal of Chemical Engineering. 31 (3): 675–682. doi:10.1590/0104-6632.20140313s00002512. ISSN 0104-6632.
Gaw, HZ (2011-10-03). "Isolation and Study of Cultures of Chinese Vetch Nodule Bacteria". J Bacteriol. 48 (4): 483–9. doi:10.1128/JB.48.4.483-489.1944. PMC 373994. PMID 16560855. Retrieved 2012-01-09.
Tu, Cong; Ristaino, Jean B.; Hu, Shuijin (2006). "Soil microbial biomass and activity in organic tomato farming systems: Effects of organic inputs and straw mulching". Soil Biology and Biochemistry. 38 (2): 247–255. Bibcode:2006SBiBi..38..247T. doi:10.1016/j.soilbio.2005.05.002. Archived from the original on 2009-01-29. Retrieved 2012-01-09.
Enwall, Karin; Laurent Philippot,2 and Sara Hallin1 (December 2005). "Activity and Composition of the Denitrifying Bacterial Community Respond Differently to Long-Term Fertilization". Applied and Environmental Microbiology. 71 (2). American Society for Microbiology: 8335–8343. Bibcode:2005ApEnM..71.8335E. doi:10.1128/AEM.71.12.8335-8343.2005. PMC 1317341. PMID 16332820. Archived from the original on 2 October 2011. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: numeric names: authors list (link)
Birkhofera, Klaus; T. Martijn Bezemerb, c, d, Jaap Bloeme, Michael Bonkowskia, Søren Christensenf, David Duboisg, Fleming Ekelundf, Andreas Fließbachh, Lucie Gunstg, Katarina Hedlundi, Paul Mäderh, Juha Mikolaj, Christophe Robink, Heikki Setäläj, Fabienne Tatin-Frouxk, Wim H. Van der Puttenb, c and Stefan Scheua (September 2008). "Long-term organic farming fosters below and aboveground biota: Implications for soil quality, biological control and productivity". Soil Biology and Biochemistry. 40 (9): 2297–2308. Bibcode:2008SBiBi..40.2297B. doi:10.1016/j.soilbio.2008.05.007. S2CID 53612353. Archived from the original on 2013-02-03. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Lal, R. (2004). "Soil Carbon Sequestration Impacts on Global Climate Change and Food Security". Science. 304 (5677): 1623–7. Bibcode:2004Sci...304.1623L. doi:10.1126/science.1097396. PMID 15192216. S2CID 8574723.
PIMENTEL, David; PAUL HEPPERLY, JAMES HANSON, DAVID DOUDS, and RITA SEIDEL (July 2005). "Environmental, Energetic, and Economic Comparisons of Organic and Conventional Farming Systems". BioScience. 55 (7): 573. doi:10.1641/0006-3568(2005)055[0573:EEAECO]2.0.CO;2. ISSN 0006-3568. S2CID 53967547.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Mäder, Paul; Andreas Fliebach,,1 David Dubois,2 Lucie Gunst,2 Padruot Fried,2 Urs Niggli1 (31 May 2002). "Soil Fertility and Biodiversity in Organic Farming". Science. 296 (5573): 1694–1697. Bibcode:2002Sci...296.1694M. doi:10.1126/science.1071148. PMID 12040197. S2CID 7635563. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

dummies.com

"Plant-Based Fertilizers for Organic Gardens". dummies. Retrieved 2021-04-10.

elsevier.com

linkinghub.elsevier.com

Hillel, Daniel (2008), "Soil Fertility and Plant Nutrition", Soil in the Environment, Elsevier, pp. 151–162, doi:10.1016/b978-0-12-348536-6.50016-2, ISBN 978-0-12-348536-6, retrieved 2021-04-08
Ahmad, Waqar; Singh, Balwant; Dijkstra, Feike A.; Dalal, R.C. (2013). "Inorganic and organic carbon dynamics in a limed acid soil are mediated by plants". Soil Biology and Biochemistry. 57: 549–555. Bibcode:2013SBiBi..57..549A. doi:10.1016/j.soilbio.2012.10.013.

epa.gov

"Organic Farming | Agriculture | US EPA". Epa.gov. Retrieved 2012-01-09.

harvard.edu

ui.adsabs.harvard.edu

Guertal, E. A.; Green, B. D. (2012). "Evaluation of organic fertilizer sources for south-eastern (USA) turfgrass maintenance". Acta Agriculturae Scandinavica, Section B. 62 (sup1): 130–138. Bibcode:2012AcASB..62S.130G. doi:10.1080/09064710.2012.683201. ISSN 0906-4710. S2CID 83155937.
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Ahmad, Waqar; Singh, Balwant; Dijkstra, Feike A.; Dalal, R.C. (2013). "Inorganic and organic carbon dynamics in a limed acid soil are mediated by plants". Soil Biology and Biochemistry. 57: 549–555. Bibcode:2013SBiBi..57..549A. doi:10.1016/j.soilbio.2012.10.013.
Tu, Cong; Ristaino, Jean B.; Hu, Shuijin (2006). "Soil microbial biomass and activity in organic tomato farming systems: Effects of organic inputs and straw mulching". Soil Biology and Biochemistry. 38 (2): 247–255. Bibcode:2006SBiBi..38..247T. doi:10.1016/j.soilbio.2005.05.002. Archived from the original on 2009-01-29. Retrieved 2012-01-09.
Enwall, Karin; Laurent Philippot,2 and Sara Hallin1 (December 2005). "Activity and Composition of the Denitrifying Bacterial Community Respond Differently to Long-Term Fertilization". Applied and Environmental Microbiology. 71 (2). American Society for Microbiology: 8335–8343. Bibcode:2005ApEnM..71.8335E. doi:10.1128/AEM.71.12.8335-8343.2005. PMC 1317341. PMID 16332820. Archived from the original on 2 October 2011. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: numeric names: authors list (link)
Birkhofera, Klaus; T. Martijn Bezemerb, c, d, Jaap Bloeme, Michael Bonkowskia, Søren Christensenf, David Duboisg, Fleming Ekelundf, Andreas Fließbachh, Lucie Gunstg, Katarina Hedlundi, Paul Mäderh, Juha Mikolaj, Christophe Robink, Heikki Setäläj, Fabienne Tatin-Frouxk, Wim H. Van der Puttenb, c and Stefan Scheua (September 2008). "Long-term organic farming fosters below and aboveground biota: Implications for soil quality, biological control and productivity". Soil Biology and Biochemistry. 40 (9): 2297–2308. Bibcode:2008SBiBi..40.2297B. doi:10.1016/j.soilbio.2008.05.007. S2CID 53612353. Archived from the original on 2013-02-03. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Lal, R. (2004). "Soil Carbon Sequestration Impacts on Global Climate Change and Food Security". Science. 304 (5677): 1623–7. Bibcode:2004Sci...304.1623L. doi:10.1126/science.1097396. PMID 15192216. S2CID 8574723.
Mäder, Paul; Andreas Fliebach,,1 David Dubois,2 Lucie Gunst,2 Padruot Fried,2 Urs Niggli1 (31 May 2002). "Soil Fertility and Biodiversity in Organic Farming". Science. 296 (5573): 1694–1697. Bibcode:2002Sci...296.1694M. doi:10.1126/science.1071148. PMID 12040197. S2CID 7635563. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

highwire.org

aem.highwire.org

Enwall, Karin; Laurent Philippot,2 and Sara Hallin1 (December 2005). "Activity and Composition of the Denitrifying Bacterial Community Respond Differently to Long-Term Fertilization". Applied and Environmental Microbiology. 71 (2). American Society for Microbiology: 8335–8343. Bibcode:2005ApEnM..71.8335E. doi:10.1128/AEM.71.12.8335-8343.2005. PMC 1317341. PMID 16332820. Archived from the original on 2 October 2011. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: numeric names: authors list (link)

huffpost.com

Brown, Sally; scientist, ContributorSoil; chef; swimmer (2017-01-16). "Pee for Plants". HuffPost. Retrieved 2021-05-16. {{cite web}}: |first2= has generic name (help)

iop.org

Fliessbach, A.; P Maeder(2), A Diop(3), LWM Luttikholt(1), N Scialabba(4), U Niggli(2), Paul Hepperly(3), T LaSalle(3) (2009). "ClimateChange: GlobalRisks,ChallengesandDecisions" (PDF). P24.17 Mitigation and adaptation strategies – organic agriculture. IOPConf. Series: EarthandEnvironmentalScience6(2009)242025: IOP Publishing. Retrieved 2 February 2010.{{cite web}}: CS1 maint: location (link) CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)^{[permanent dead link‍]}

modernfarmer.com

"Can Human Urine Replace Chemical Fertilizers?". Modern Farmer. 2014-01-13. Retrieved 2021-05-16.

msuorganicfarm.com

"Crazy about Compost" (PDF). Retrieved 25 August 2010.

nih.gov

pubmed.ncbi.nlm.nih.gov

Mente, Andrew; Irvine, E. Jan; Honey, R. John D'A; Logan, Alexander G. (April 2009). "Urinary potassium is a clinically useful test to detect a poor quality diet". The Journal of Nutrition. 139 (4): 743–749. doi:10.3945/jn.108.098319. ISSN 1541-6100. PMID 19211830.
Gaw, HZ (2011-10-03). "Isolation and Study of Cultures of Chinese Vetch Nodule Bacteria". J Bacteriol. 48 (4): 483–9. doi:10.1128/JB.48.4.483-489.1944. PMC 373994. PMID 16560855. Retrieved 2012-01-09.
Enwall, Karin; Laurent Philippot,2 and Sara Hallin1 (December 2005). "Activity and Composition of the Denitrifying Bacterial Community Respond Differently to Long-Term Fertilization". Applied and Environmental Microbiology. 71 (2). American Society for Microbiology: 8335–8343. Bibcode:2005ApEnM..71.8335E. doi:10.1128/AEM.71.12.8335-8343.2005. PMC 1317341. PMID 16332820. Archived from the original on 2 October 2011. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: numeric names: authors list (link)
Lal, R. (2004). "Soil Carbon Sequestration Impacts on Global Climate Change and Food Security". Science. 304 (5677): 1623–7. Bibcode:2004Sci...304.1623L. doi:10.1126/science.1097396. PMID 15192216. S2CID 8574723.
Mäder, Paul; Andreas Fliebach,,1 David Dubois,2 Lucie Gunst,2 Padruot Fried,2 Urs Niggli1 (31 May 2002). "Soil Fertility and Biodiversity in Organic Farming". Science. 296 (5573): 1694–1697. Bibcode:2002Sci...296.1694M. doi:10.1126/science.1071148. PMID 12040197. S2CID 7635563. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

pubmedcentral.nih.gov

Gaw, HZ (2011-10-03). "Isolation and Study of Cultures of Chinese Vetch Nodule Bacteria". J Bacteriol. 48 (4): 483–9. doi:10.1128/JB.48.4.483-489.1944. PMC 373994. PMID 16560855. Retrieved 2012-01-09.
"Isolation and Study of Cultures of Chinese Vetch Nodule Bacteria". Pubmedcentral.nih.gov. 6 July 2010. Retrieved 25 August 2010.

ncbi.nlm.nih.gov

Gaw, HZ (2011-10-03). "Isolation and Study of Cultures of Chinese Vetch Nodule Bacteria". J Bacteriol. 48 (4): 483–9. doi:10.1128/JB.48.4.483-489.1944. PMC 373994. PMID 16560855. Retrieved 2012-01-09.
Enwall, Karin; Laurent Philippot,2 and Sara Hallin1 (December 2005). "Activity and Composition of the Denitrifying Bacterial Community Respond Differently to Long-Term Fertilization". Applied and Environmental Microbiology. 71 (2). American Society for Microbiology: 8335–8343. Bibcode:2005ApEnM..71.8335E. doi:10.1128/AEM.71.12.8335-8343.2005. PMC 1317341. PMID 16332820. Archived from the original on 2 October 2011. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: numeric names: authors list (link)

oregonstate.edu

extension.oregonstate.edu

"Nitrogen-Phosphorus-Potassium Values of Organic Fertilizers". extension.oregonstate.edu. Archived from the original on 2021-01-02. Retrieved 2021-05-16.

researchgate.net

"The Worm Farmer's Handbook: Mid- to Large-Scale Vermicomposting for Farms, Businesses, Municipalities, Schools, and Institutions". Retrieved 2021-07-25.

sciencedaily.com

"Urine fertilizer: 'Aging' effectively protects against transfer of antibiotic resistance". ScienceDaily. Retrieved 2021-04-09.

sciencedirect.com

Tu, Cong; Ristaino, Jean B.; Hu, Shuijin (2006). "Soil microbial biomass and activity in organic tomato farming systems: Effects of organic inputs and straw mulching". Soil Biology and Biochemistry. 38 (2): 247–255. Bibcode:2006SBiBi..38..247T. doi:10.1016/j.soilbio.2005.05.002. Archived from the original on 2009-01-29. Retrieved 2012-01-09.
Birkhofera, Klaus; T. Martijn Bezemerb, c, d, Jaap Bloeme, Michael Bonkowskia, Søren Christensenf, David Duboisg, Fleming Ekelundf, Andreas Fließbachh, Lucie Gunstg, Katarina Hedlundi, Paul Mäderh, Juha Mikolaj, Christophe Robink, Heikki Setäläj, Fabienne Tatin-Frouxk, Wim H. Van der Puttenb, c and Stefan Scheua (September 2008). "Long-term organic farming fosters below and aboveground biota: Implications for soil quality, biological control and productivity". Soil Biology and Biochemistry. 40 (9): 2297–2308. Bibcode:2008SBiBi..40.2297B. doi:10.1016/j.soilbio.2008.05.007. S2CID 53612353. Archived from the original on 2013-02-03. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link)

sciencemag.org

Lal, R. (2004). "Soil Carbon Sequestration Impacts on Global Climate Change and Food Security". Science. 304 (5677): 1623–7. Bibcode:2004Sci...304.1623L. doi:10.1126/science.1097396. PMID 15192216. S2CID 8574723.
Mäder, Paul; Andreas Fliebach,,1 David Dubois,2 Lucie Gunst,2 Padruot Fried,2 Urs Niggli1 (31 May 2002). "Soil Fertility and Biodiversity in Organic Farming". Science. 296 (5573): 1694–1697. Bibcode:2002Sci...296.1694M. doi:10.1126/science.1071148. PMID 12040197. S2CID 7635563. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

semanticscholar.org

api.semanticscholar.org

Guertal, E. A.; Green, B. D. (2012). "Evaluation of organic fertilizer sources for south-eastern (USA) turfgrass maintenance". Acta Agriculturae Scandinavica, Section B. 62 (sup1): 130–138. Bibcode:2012AcASB..62S.130G. doi:10.1080/09064710.2012.683201. ISSN 0906-4710. S2CID 83155937.
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Birkhofera, Klaus; T. Martijn Bezemerb, c, d, Jaap Bloeme, Michael Bonkowskia, Søren Christensenf, David Duboisg, Fleming Ekelundf, Andreas Fließbachh, Lucie Gunstg, Katarina Hedlundi, Paul Mäderh, Juha Mikolaj, Christophe Robink, Heikki Setäläj, Fabienne Tatin-Frouxk, Wim H. Van der Puttenb, c and Stefan Scheua (September 2008). "Long-term organic farming fosters below and aboveground biota: Implications for soil quality, biological control and productivity". Soil Biology and Biochemistry. 40 (9): 2297–2308. Bibcode:2008SBiBi..40.2297B. doi:10.1016/j.soilbio.2008.05.007. S2CID 53612353. Archived from the original on 2013-02-03. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Lal, R. (2004). "Soil Carbon Sequestration Impacts on Global Climate Change and Food Security". Science. 304 (5677): 1623–7. Bibcode:2004Sci...304.1623L. doi:10.1126/science.1097396. PMID 15192216. S2CID 8574723.
PIMENTEL, David; PAUL HEPPERLY, JAMES HANSON, DAVID DOUDS, and RITA SEIDEL (July 2005). "Environmental, Energetic, and Economic Comparisons of Organic and Conventional Farming Systems". BioScience. 55 (7): 573. doi:10.1641/0006-3568(2005)055[0573:EEAECO]2.0.CO;2. ISSN 0006-3568. S2CID 53967547.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Mäder, Paul; Andreas Fliebach,,1 David Dubois,2 Lucie Gunst,2 Padruot Fried,2 Urs Niggli1 (31 May 2002). "Soil Fertility and Biodiversity in Organic Farming". Science. 296 (5573): 1694–1697. Bibcode:2002Sci...296.1694M. doi:10.1126/science.1071148. PMID 12040197. S2CID 7635563. Retrieved 1 February 2010.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

tandfonline.com

Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.
Barker, Allen V. (2012). "Plant Growth in Response to Phosphorus Fertilizers in Acidic Soil Amended with Limestone or Organic Matter". Communications in Soil Science and Plant Analysis. 43 (13): 1800–1810. Bibcode:2012CSSPA..43.1800B. doi:10.1080/00103624.2012.684829. ISSN 0010-3624. S2CID 98196453.

theecologist.org

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