His scientific interests lie mostly in Weed, Agronomy, Weed control, Crop and Crop yield. David E. Johnson has researched Weed in several fields, including Germination and Seedling. David E. Johnson interconnects Adaptation, Ecosystem and Water stress in the investigation of issues within Germination.
His Weed control research is multidisciplinary, incorporating perspectives in Agroforestry and Tillage, Minimum tillage. His work carried out in the field of Agroforestry brings together such families of science as Striga, Cyperus difformis and Cyperus rotundus. His study explores the link between Crop and topics such as Irrigation that cross with problems in Dry weight, Transplanting, Panicle, Competition and Seeding.
The scientist’s investigation covers issues in Agronomy, Weed, Weed control, Germination and Seedling. As part of his studies on Agronomy, David E. Johnson frequently links adjacent subjects like Upland rice. His study in Weed is interdisciplinary in nature, drawing from both Irrigation, Dry weight, Competition, Cyperus rotundus and Poaceae.
The various areas that he examines in his Weed control study include Transplanting and Agroforestry. His studies in Germination integrate themes in fields like Ecology and Dry matter. The Seedling study which covers Crop residue that intersects with Eleusine indica.
David E. Johnson mostly deals with Agronomy, Cropping, Crop, Productivity and Agroforestry. His study involves Weed and Weed control, a branch of Agronomy. The study incorporates disciplines such as Transplanting, Dry season and Wet season in addition to Weed.
His Crop study incorporates themes from Tillage and Sowing. His Productivity research includes elements of Poverty, Poverty reduction and Natural resource economics. His Agroforestry research includes themes of Seedbed, Food security, Irrigation and Natural resource management.
Poverty, Productivity, Ecosystem, Natural resource economics and Poverty reduction are his primary areas of study. His Poverty investigation overlaps with other areas such as Business and Flooding.
A.N. Rao;D.E. Johnson;B. Sivaprasad;J.K. Ladha
Bhagirath S. Chauhan;David E. Johnson
Michaël Dingkuhn;D.E. Johnson;A. Sow;Alain Audebert
Bhagirath S. Chauhan;David E. Johnson
J. Rodenburg;D. E. Johnson
D. E. Johnson;M. Dingkuhn;M. P. Jones;M. C. Mahamane
G. Mahajan;B. S. Chauhan;D. E. Johnson
M Dingkuhn;M.P Jones;D.E Johnson;A Sow
Abdelbagi M. Ismail;David E. Johnson;Evangelina S. Ella;Georgina V. Vergara
Bhagirath S. Chauhan;David E. Johnson
Bhagirath S. Chauhan;Virender P. Singh;Avnish Kumar;David E. Johnson
Lewis H. Ziska;David R. Gealy;Nilda Burgos;Ana L. Caicedo
Bhagirath Singh Chauhan;David E. Johnson
Bhagirath S. Chauhan;David E. Johnson
B.S. Chauhan;D.E. Johnson
Bhagirath S. Chauhan;David E. Johnson
M. Becker;D.E. Johnson
M. Becker;D.E. Johnson
Bhagirath S. Chauhan;David E. Johnson
M. Becker;David E. Johnson
Jonne Rodenburg;Holger Meinke;David E. Johnson
B.S. Chauhan;D.E. Johnson
Y. Singh;V.P. Singh;G. Singh;D.S. Yadav
O.S. Namuco;J.E. Cairns;D.E. Johnson
Marco Wopereis;David E. Johnson;Nourollah Ahmadi;Eric Tollens
Bhagirath S. Chauhan;David E. Johnson
Bhagirath S. Chauhan;David E. Johnson
Bhagirath S. Chauhan;David E. Johnson
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