The sorption and desorption of phosphate-P, ammonium-N and nitrate-N in cacao shell and corn cob biochars SE Hale, V Alling, V Martinsen, J Mulder, GD Breedveld, G Cornelissen Chemosphere 91 (11), 1612-1619, 2013 | 539 | 2013 |
In situ effects of biochar on aggregation, water retention and porosity in light-textured tropical soils A Obia, J Mulder, V Martinsen, G Cornelissen, T Børresen Soil and Tillage Research 155, 35-44, 2016 | 494 | 2016 |
Biochar effect on maize yield and soil characteristics in five conservation farming sites in Zambia G Cornelissen, V Martinsen, V Shitumbanuma, V Alling, GD Breedveld, ... Agronomy 3 (2), 256-274, 2013 | 364 | 2013 |
Biochar improves maize growth by alleviation of nutrient stress in a moderately acidic low-input Nepalese soil NR Pandit, J Mulder, SE Hale, V Martinsen, HP Schmidt, G Cornelissen Science of the Total Environment 625, 1380-1389, 2018 | 225 | 2018 |
Fading positive effect of biochar on crop yield and soil acidity during five growth seasons in an Indonesian Ultisol G Cornelissen, NL Nurida, SE Hale, V Martinsen, L Silvani, J Mulder Science of the Total Environment 634, 561-568, 2018 | 222 | 2018 |
Biochar amendment increases maize root surface areas and branching: a shovelomics study in Zambia S Abiven, A Hund, V Martinsen, G Cornelissen Plant and soil 395, 45-55, 2015 | 207 | 2015 |
Fourfold increase in pumpkin yield in response to low-dosage root zone application of urine-enhanced biochar to a fertile tropical soil HP Schmidt, BH Pandit, V Martinsen, G Cornelissen, P Conte, ... Agriculture 5 (3), 723-741, 2015 | 196 | 2015 |
Cation exchange capacity of biochar: An urgent method modification JL Munera-Echeverri, V Martinsen, LT Strand, V Zivanovic, G Cornelissen, ... Science of the total environment 642, 190-197, 2018 | 182 | 2018 |
pH effects of the addition of three biochars to acidic Indonesian mineral soils V Martinsen, V Alling, NL Nurida, J Mulder, SE Hale, C Ritz, ... Soil Science and Plant Nutrition 61 (5), 821-834, 2015 | 158 | 2015 |
Farmer‐led maize biochar trials: Effect on crop yield and soil nutrients under conservation farming V Martinsen, J Mulder, V Shitumbanuma, M Sparrevik, T Børresen, ... Journal of Plant Nutrition and Soil Science 177 (5), 681-695, 2014 | 155 | 2014 |
Emissions of gases and particles from charcoal/biochar production in rural areas using medium-sized traditional and improved “retort” kilns M Sparrevik, C Adam, V Martinsen, G Cornelissen Biomass and bioenergy 72, 65-73, 2015 | 114 | 2015 |
Life cycle assessment to evaluate the environmental impact of biochar implementation in conservation agriculture in Zambia M Sparrevik, JL Field, V Martinsen, GD Breedveld, G Cornelissen Environmental science & technology 47 (3), 1206-1215, 2013 | 111 | 2013 |
Short-term effect of the soil amendments activated carbon, biochar, and ferric oxyhydroxide on bacteria and invertebrates SE Hale, J Jensen, L Jakob, P Oleszczuk, T Hartnik, T Henriksen, ... Environmental science & technology 47 (15), 8674-8683, 2013 | 104 | 2013 |
The role of biochar in retaining nutrients in amended tropical soils V Alling, SE Hale, V Martinsen, J Mulder, A Smebye, GD Breedveld, ... Journal of Plant Nutrition and Soil Science 177 (5), 671-680, 2014 | 97 | 2014 |
Carbon storage in low‐alpine grassland soils: effects of different grazing intensities of sheep V Martinsen, J Mulder, G Austrheim, A Mysterud European Journal of Soil Science 62 (6), 822-833, 2011 | 82 | 2011 |
Soil and water conservation management on hill slopes in Southwest Ethiopia. I. Effects of soil bunds on surface runoff, erosion and loss of nutrients K Wolka, B Biazin, V Martinsen, J Mulder Science of The Total Environment 757, 142877, 2021 | 68 | 2021 |
Plant quality, seasonality and sheep grazing in an alpine ecosystem A Mysterud, DO Hessen, R Mobæk, V Martinsen, J Mulder, G Austrheim Basic and Applied Ecology 12 (3), 195-206, 2011 | 54 | 2011 |
Conservation tillage and biochar improve soil water content and moderate soil temperature in a tropical Acrisol A Obia, G Cornelissen, V Martinsen, AB Smebye, J Mulder Soil and Tillage Research 197, 104521, 2020 | 52 | 2020 |
Long-term increase in aboveground carbon stocks following exclusion of grazers and forest establishment in an alpine ecosystem JDM Speed, V Martinsen, A Mysterud, J Mulder, Ø Holand, G Austrheim Ecosystems 17, 1138-1150, 2014 | 51 | 2014 |
Vertical and lateral transport of biochar in light-textured tropical soils A Obia, T Børresen, V Martinsen, G Cornelissen, J Mulder Soil and Tillage Research 165, 34-40, 2017 | 49 | 2017 |