AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 4 pdf
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 4 pdf
... and Processes
4. 4.1.1 Adsorption/Desorption
4. 4.1.2 Precipitation/Dissolution
4. 4.1.3 Mineralization/Immobilization
4. 4.1 .4 Plant Uptake
4. 5 Phosphorus Loadings to Aquatic Systems
4. 5.1 Factors ... to “edge-of-field,” and there must be an agent capable of continuing the trans-
port of P from edge-of-field to the aquatic system. Except where P leaching is sig-
nificant, the e...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 2 pot
... flows and nonuniform sediment typical of upland agricul-
tural situations. A wide range of sediment transport relationships have been deve-
loped and tested.
40 44
2.2.5 ERODED SEDIMENT-SIZE ... Eng. 41 (7) :44 7 44 9, 45 5. 1960.
18. Park, S. W., Mitchell, J. K., and Bubenzer, G. D. Rainfall characteristics and their relation
to splash erosion.
Trans. Am. Soc. Agric. Eng. 26(3):...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 3 ppt
... loose, com-
pacted, and concrete floor types had average total kjeldahl nitrogen (TKN) concen-
trations of 1063, 1077, and 213 mg N/kg, NH
4
-N concentrations of 40 4, 46 0, and 24
mg N/kg and NO
3
concentrations ... 1976.
143 . McNeal, B. L. and Carlile, B. L., Nitrogen and irrigation management to reduce return-
flow pollution in the Columbia Basin. Report No. EPA-600/1...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 5 pot
... triflu-
ralin, dicamba, DCPA, and 2 -4 -D. The most frequently detected insecticides were
aldicarb and its degradates and carbofuran, whereas the most widely detected fumi-
gants were 1,2-dibromo-3-chloropropance ... pre-
emergent, disk and pre-emergent, plow and pre-emergent, disk and preplant incorpo-
rated, and plow and preplant incorporated. In total, 63.5 and 127 mm of...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 6 potx
... al.,
48
NC
Poultry manure
Fescue 220 76 1 event 3.1 2.6 Edwards and Daniel,
61
AR
879 3 04 1 event 3.3 3.2 Edwards and Daniel,
61
AR
Fescue 149 85 4 events 4. 2 2 .4 McLeod and Hegg,
56
SC
Fallow 42 8 ... years 10.7 — Dudinsky et al.,
59
GA
Fescue 218 54 1 event 4. 0 2.2 Edwards and Daniel,
49
AR
43 5 108 1 event 4. 2 2.3 Edwards and Daniel,
49
AR
Fescue 45 0 150 1...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 7 ppsx
... Cotton 1.582 1 .41 9 556 612 5 04 990
91 Cotton 1. 742 1.528 521 701 1,223 1,161
92, 93 Cotton 1.815 1.765 533 45 0 1, 341 1,662
94
1989 Cotton 1.7 14 1.2 14 5 84 749 1, 149 610
1990 Cotton 1 .44 9 1 .43 1 610 500 ... manage furrow ero-
sion and infiltration, Soil Science, 158 (4) :2 74, 19 94.
80. Carter, D. L., Controlling erosion and sediment loss on furrow-irrigated land, in S...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 8 potx
... 3.0 m, and only 15% at 4. 6
m. Average NO
3
-N concentrations under no-tillage and conventional tillage, respec-
tively, were 29 .4 and 35.6 mg/L at 1.2 m, 19.6, and 26.5 mg/L at 1.8, 18.5, and 13.9
mg/L ... were 11 .4 and 14. 7 mg/L, respectively.
Several researchers
41 , 42
also studied the effect of tillage on NO
3
-N in groundwa-
ter and tile outflow in eastern Ontario...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 9 pot
... by Knisel and Davis,
41
EPIC by Williams
et al.,
49
ADAPT by Chung et al.
50
and Gowda et al.,
51
PRZM-2 by Mullins et al.,
44
and
PRZM-3 by Carsel et al.
52
are unit -management models and are ... provides high-resolution and up-to-date data
(Lillesand and Kiefer
83
). Current commercial earth-orbiting satellites that can be
used for this purpose include IKONOS, IRS, SPOT -...
AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 10 potx
... Worth, TX,
NRCS, Grazing Lands Technology Institute, 1996.
115. USEPA, Monitoring guidance for determining the effectiveness of nonpoint source con-
trols, EPA 841 -B-9 6-0 04, Washington D.C., U.S. ... pests and management costs, Agricultural
Ecosystems and the Environment, 59, 1, 1996.
54. Ewing, R. P., M. G. Wagger, and H. P. Denton, Tillage and cover crop management
e...