Concepedia
Statistics
Publications
26
Citations
953
H-Index
19
Active since
1958
Affiliations
University of Manitoba(Current)
Toowoomba Hospital
R. J. Soper is an author at University of Manitoba specializing in agriculture, soil fertility, and plant nutrition.
Publications per year
1958–2002
A quantitative measurement of the nitrogen loss from the root system of field peas (Pisum avense L.) grown in the soil
N. Sawatsky, R. J. Soper · Soil Biology and Biochemistry · 1991 · 80 citations
Agriculture, Agronomy, Plant Sciences +17
Yield and symbiotic nitrogen fixation in a pea-mustard intercrop as influenced by N fertilizer addition
John G. Waterer, J. Kevin Vessey, E. H. Stobbe et al. · Soil Biology and Biochemistry · 1994 · 69 citations
Agriculture, Agronomy, Plant Sciences +16
Fate of Tagged Urea N in the Field with Different Methods of N and Organic Matter Placement
Jyoti Tomar, R. J. Soper · Agronomy Journal · 1981 · 65 citations
Agriculture, Crop Sciences, Soil Sciences +17
THE EFFECT OF NITRATE NITROGEN IN THE SOIL PROFILE ON THE RESPONSE OF BARLEY TO FERTILIZER NITROGEN
R. J. Soper, Ping-Rong Huang · Canadian Journal of Soil Science · 1963 · 65 citations
Agriculture, Agronomy, Soil Sciences +17
Effect of N Fertilizer on Yield, Protein Content, and Symbiotic N Fixation in Fababeans
John E. Richards, R. J. Soper · Agronomy Journal · 1979 · 60 citations
1–5 of 26