Effect of Tillage Systems on Runoff Losses of Nutrients, A Rainfall Simulation Study

1978 ◽  
Vol 21 (5) ◽  
pp. 0893-0897 ◽  
Author(s):  
S. G. Barisas ◽  
J. L. Baker ◽  
H. P. Johnson ◽  
J. M. Laflen
Keyword(s):  
Simulation Study ◽  
Rainfall Simulation ◽  
Tillage Systems ◽  
Runoff Losses

Effect of Tillage Systems on Runoff Losses of Pesticides, A Rainfall Simulation Study

1978 ◽  
Vol 21 (5) ◽  
pp. 0886-0892 ◽  
Author(s):  
J. L. Baker ◽  
J. M. Laflen ◽  
H. P. Johnson
Keyword(s):  
Simulation Study ◽  
Rainfall Simulation ◽  
Tillage Systems ◽  
Runoff Losses

Transport of herbicides and nutrients in surface runoff from corn cropland in southern Ontario

1994 ◽  
Vol 74 (1) ◽  
pp. 59-66 ◽  
Author(s):  
B. T. Bowman ◽  
G. J. Wall ◽  
D. J. King
Keyword(s):  
Water Quality ◽  
Surface Runoff ◽  
Soil Nutrient ◽  
Rainfall Simulation ◽  
Simulated Rainfall ◽  
Runoff Water ◽  
Surface Transport ◽  
Nitrate N ◽  
Runoff Losses ◽  
Water Quality Objectives

The risk of surface-water contamination by herbicides is greatest following application to cropland when the active ingredients are at the maximum concentration and the soil is the most vulnerable to erosion following cultivation. This study determined the magnitude of surface runoff losses of herbicide and nutrients at, and subsequent to, application. The first of three weekly 10-min, 2.6-cm rainfalls were simulated on triplicated 1-m plots (a set) on which corn had been planted and the herbicide (metolachlor/atrazine, 1.5:1.0) and fertilizer (28% N at 123 kg ha−1) had just been applied. Identical simulations were applied to two other adjacent plot sets (protected from rainfall) 1 and 2 wk following herbicide application. Runoff (natural, simulated) was monitored for soil, nutrient and herbicide losses. Concentrations of total phosphorus in surface runoff water and nitrate N in field-filtered samples were not significantly influenced by the time of the rainfall simulation but exceeded provincial water-quality objectives. Atrazine and metolachlor runoff losses were greatest from simulated rainfall (about 5% loss) immediately following application. Subsequent simulated rainfall usually resulted in < 1% herbicide runoff losses. Herbicide concentrations in all plot runoff samples exceeded provincial drinking-water quality objectives. Since herbicide surface transport is primarily in the solution phase (not via association with soil particles), water-management conservation technologies are the key to retaining these chemicals on cropland. Key words: Herbicide, runoff, rainfall simulation, partitioning, water quality

scholarly journals A Rainfall Simulation Study of Soil Erodibility and Available Nutrient Losses from Two Contrasting Soils in China

2015 ◽  
Vol 60 (1) ◽  
pp. 235-242
Author(s):  
Qingqing Fang ◽  
Lei Zhang ◽  
Haotian Sun ◽  
Guoqiang Wang ◽  
Zongxue Xu ◽  
...  
Keyword(s):  
Simulation Study ◽  
Rainfall Simulation ◽  
Soil Erodibility ◽  
Nutrient Losses

Polysaccharide and salt effects on infiltration and soil erosion. A rainfall simulation study

1991 ◽  
Vol 4 (1) ◽  
pp. 79-91 ◽  
Author(s):  
D. Warrington ◽  
I. Shainberg ◽  
G.J. Levy ◽  
Y. Bar-Or
Keyword(s):  
Soil Erosion ◽  
Simulation Study ◽  
Rainfall Simulation ◽  
Salt Effects

scholarly journals Runoff and nutrient losses from conventional and conservation tillage systems during fixed and variable rate rainfall simulation

2019 ◽  
Vol 74 (6) ◽  
pp. 594-612 ◽  
Author(s):  
D.M. Endale ◽  
H.H. Schomberg ◽  
C.C. Truman ◽  
D.H. Franklin ◽  
I.A. Tazisong ◽  
...  
Keyword(s):  
Conservation Tillage ◽  
Rainfall Simulation ◽  
Variable Rate ◽  
Nutrient Losses ◽  
Tillage Systems

Persistence and Surface Transport of Urea-Nitrogen: A Rainfall Simulation Study

2016 ◽  
Vol 45 (3) ◽  
pp. 1062-1070 ◽  
Author(s):  
Leonard C. Kibet ◽  
Ray B. Bryant ◽  
Anthony R. Buda ◽  
Peter J. A. Kleinman ◽  
Louis S. Saporito ◽  
...  
Keyword(s):  
Simulation Study ◽  
Rainfall Simulation ◽  
Urea Nitrogen ◽  
Surface Transport

scholarly journals Phosphorus Leaching from an Organic and a Mineral Arable Soil in a Rainfall Simulation Study

2018 ◽  
Vol 47 (3) ◽  
pp. 487-495 ◽  
Author(s):  
Matthew Riddle ◽  
Lars Bergström ◽  
Frank Schmieder ◽  
Holger Kirchmann ◽  
Leo Condron ◽  
...  
Keyword(s):  
Simulation Study ◽  
Arable Soil ◽  
Rainfall Simulation ◽  
Phosphorus Leaching
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