Strategies for obtaining obsidian in pre-European contact era New Zealand.

by Mark D McCoy, Jonathan Carpenter
Published 2014-01-01

Biochar Application in Combination with Inorganic Nitrogen Improves Maize Grain Yield, Nitrogen Uptake, and Use Efficiency in Temperate Soils

by Peter Omara, Lawrence Aula, Fikayo B. Oyebiyi, Elizabeth M. Eickhoff, Jonathan Carpenter, William R. Raun
Published 2020-08-01

Improving winter wheat grain yield and nitrogen use efficiency using nitrogen application time and rate

by Lawrence Aula, Peter Omara, Fikayo B. Oyebiyi, Elizabeth Eickhoff, Jonathan Carpenter, Eva Nambi, Alimamy Fornah, William R. Raun
Published 2021-01-01