Gregg A Johnson

Associate Professor, Southern Research and Outreach Center

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Projects 2006 2021

4 Active
15 Finished

Regional characterization of Alfalfa and Manure Legacy Impacts on Soil quality in Crop Rotations

Johnson, G. A. & Gamble, J. D.

USDA AGRICULTURAL RESEARCH SERVICE

7/1/19 → 2/29/20

Project: Research project

crop rotation

alfalfa

soil quality

manure

Addressing trade-offs between weed management for tall waterhemp and Palmer amaranth and integration of cover

Johnson, G. A., Becker, R., Martinson, K. L., Miller, R. P., Stahl, L. A. & Wells, M. S.

MN DEPARTMENT OF AGRICULTURE

6/1/19 → 5/31/21

Project: Research project

Amaranthus palmeri

weed control

Agronomic and breeding strategies for improved pennycres

Wells, M. S., Anderson, J. A., Gesch, R. W., Johnson, G. A., Marks, M. D. & Wyse, D. L.

MN DEPARTMENT OF AGRICULTURE

3/30/17 → 6/30/20

Project: Research project

Thlaspi

grain yield

lipid content

breeding

The Cover Crops, Water, and Nitrogen Nexus: How do They Impact Corn and Soybean Production and the Environment?

Garcia y Garcia, A., Johnson, G. A., Strock, J. S., Coulter, J. A., Nieber, J. L., Sadok, M. W., Mulla, D. J., Fernandez, F. G. & Vetsch, J. A.

Minnesota Department of Agriculture

6/27/16 → 6/30/20

Project: Research project

cover crops

soybeans

corn

nitrogen

crops

Nitrogen Mineralization from Cover Crops Residue in Soyb

Garcia y Garcia, A. & Johnson, G. A.

MN SOYBEAN RESEARCH & PROMOTION COUNCIL

5/1/18 → 6/16/19

Project: Research project

cover crops

crop residues

mineralization

soybeans

nitrogen

Research Output 1995 2019

47 Article
3 Review article
1 Conference contribution

Biophysical interactions in perennial biomass alley cropping systems

Gamble, J. D., Johnson, G. A., Current, D. A., Wyse, D. L., Zamora, D. S. & Sheaffer, C. C., Jun 15 2019, In : Agroforestry Systems. 93, 3, p. 901-914 14 p.

Research output: Contribution to journal › Article

alley cropping

Spartina pectinata

cropping systems

photosynthetically active radiation

crop yield

Management of pennycress as a winter annual cash cover crop. A review

Cubins, J. A., Wells, M. S., Frels, K. A., Ott, M. A., Forcella, F., Johnson, G. A., Walia, M. K., Becker, R. & Gesch, R. W., Oct 1 2019, In : Agronomy for Sustainable Development. 39, 5, 46.

Research output: Contribution to journal › Review article

Open Access

Thlaspi

cash crops

cover crops

Crops

Oilseeds

Comparison of woody species for use in living snow fences in the midwestern United States

Ogdahl, E., Zamora, D., Johnson, G. & Wyatt, G., May 1 2018, In : Journal of Soil and Water Conservation. 73, 3, p. 321-328 8 p.

Research output: Contribution to journal › Article

Midwestern United States

fences

snow

shrub

coppice

2 Citations (Scopus)

Competitive effects of cultivar and wild switchgrass on other native grasses

Eckberg, J. O., Johnson, G. A., Seefeldt, L. L., Felton, A. J., Casler, M. D. & Shaw, R. G., Sep 1 2018, In : Biological Invasions. 20, 9, p. 2439-2449 11 p.

Research output: Contribution to journal › Article

Panicum virgatum

cultivar

Bouteloua curtipendula

grass

grasses

45 Citations (Scopus)

Crop pests and predators exhibit inconsistent responses to surrounding landscape composition

Karp, D. S., Chaplin-Kramer, R. E., Meehan, T. D., Martin, E. A., DeClerck, F., Grab, H., Gratton, C., Hunt, L., Larsen, A. E., Martínez-Salinas, A., O’Rourke, M. E., Rusch, A., Poveda, K., Jonsson, M., Rosenheim, J. A., Schellhorn, N. A., Tscharntke, T., Wratten, S. D., Zhang, W., Iverson, A. L. & 137 others, Adler, L. S., Albrecht, M., Alignier, A., Angelella, G. M., Anjum, M. Z., Avelino, J., Batáry, P., Baveco, J. M., Bianchi, F. J. J. A., Birkhofer, K., Bohnenblust, E. W., Bommarco, R., Brewer, M. J., Caballero-López, B., Carrière, Y., Carvalheiro, L. G., Cayuela, L., Centrella, M., Ćetković, A., Henri, D. C., Chabert, A., Costamagna, A. C., De la Mora, A., de Kraker, J., Desneux, N., Diehl, E., Diekötter, T., Dormann, C. F., Eckberg, J. O., Entling, M. H., Fiedler, D., Franck, P., van Veen, F. J. F., Frank, T., Gagic, V., Garratt, M. P. D., Getachew, A., Gonthier, D. J., Goodell, P. B., Graziosi, I., Groves, R. L., Gurr, G. M., Hajian-Forooshani, Z., Heimpel, G. E., Herrmann, J. D., Huseth, A. S., Inclán, D. J., Ingrao, A. J., Iv, P., Jacot, K., Johnson, G. A., Jones, L., Kaiser, M., Kaser, J. M., Keasar, T., Kim, T. N., Kishinevsky, M., Landis, D. A., Lavandero, B., Lavigne, C., Le Ralec, A., Lemessa, D., Letourneau, D. K., Liere, H., Lu, Y., Lubin, Y., Luttermoser, T., Maas, B., Mace, K., Madeira, F., Mader, V., Cortesero, A. M., Marini, L., Martinez, E., Martinson, H. M., Menozzi, P., Mitchell, M. G. E., Miyashita, T., Molina, G. A. R., Molina-Montenegro, M. A., O’Neal, M. E., Opatovsky, I., Ortiz-Martinez, S., Nash, M., Östman, Ö., Ouin, A., Pak, D., Paredes, D., Parsa, S., Parry, H., Perez-Alvarez, R., Perović, D. J., Peterson, J. A., Petit, S., Philpott, S. M., Plantegenest, M., Plecas, M. D., Pluess, T., Pons, X., Potts, S. G., Pywell, R. F., Ragsdale, D. W., Rand, T. A., Raymond, L., Ricci, B., Sargent, C., Sarthou, J. P., Saulais, J., Schäckermann, J., Schmidt, N. P., Schneider, G., Schüepp, C., Sivakoff, F. S., Smith, H. G., Whitney, K. S., Stutz, S., Szendrei, Z., Takada, M. B., Taki, H., Tamburini, G., Thomson, L. J., Tricault, Y., Tsafack, N., Tschumi, M., Valantin-Morison, M., van Trinh, M., van der Werf, W., Vierling, K. T., Werling, B. P., Wickens, J. B., Wickens, V. J., Woodcock, B. A., Wyckhuys, K., Xiao, H., Yasuda, M., Yoshioka, A. & Zou, Y., Aug 14 2018, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 33, p. E7863-E7870

Research output: Contribution to journal › Article

Ecosystem

Pest Control

Biodiversity

Databases