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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1980 1
1984 2
1988 1
1989 1
1991 1
2008 1
2012 2
2018 2
2019 1
2020 2
2021 1
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13 results
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Page 1
Biochar: a synthesis of its agronomic impact beyond carbon sequestration.
Spokas KA, Cantrell KB, Novak JM, Archer DW, Ippolito JA, Collins HP, Boateng AA, Lima IM, Lamb MC, McAloon AJ, Lentz RD, Nichols KA. Spokas KA, et al. Among authors: collins hp. J Environ Qual. 2012 Jul-Aug;41(4):973-89. doi: 10.2134/jeq2011.0069. J Environ Qual. 2012. PMID: 22751040 Review.
CO2 enrichment and soil type additively regulate grassland productivity.
Polley HW, Aspinwall MJ, Collins HP, Gibson AE, Gill RA, Jackson RB, Jin VL, Khasanova AR, Reichmann LG, Fay PA. Polley HW, et al. Among authors: collins hp. New Phytol. 2019 Apr;222(1):183-192. doi: 10.1111/nph.15562. Epub 2018 Nov 23. New Phytol. 2019. PMID: 30367488 Free article.
Anatomy of the superficial temporal artery.
Stock AL, Collins HP, Davidson TM. Stock AL, et al. Among authors: collins hp. Head Neck Surg. 1980 Jul-Aug;2(6):466-9. doi: 10.1002/hed.2890020604. Head Neck Surg. 1980. PMID: 7390853
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