Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

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

Year Number of Results
2012 2
2018 2
2019 1
2020 2
2021 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

6 results

Results by year

Filters applied: . Clear all
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.