Results 181 to 190 of about 9,236 (236)
Are We Adequately Testing Essential Oils as Insecticides in the Laboratory? Bridging the Gap Between Laboratory Bioassays and Field Applications. [PDF]
Plants (Basel)Lucia A, Guzmán E, Toloza AC.
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The Overlooked Impact of Botanical Pesticides on Non-Target Organisms. [PDF]
Plants (Basel)Soares AP, Zocolo GJ, Bueno AF.
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Soil Science Society of America Journal, 2002
Adverse effects of soil water repellency (hydrophobicity) are of concern during or following rainfall or irrigation, and are often preceded by conditions of high atmospheric relative humidity (RH). Assessments of repellency are, however, commonly conducted on air‐dried samples at ambient laboratory conditions.
S. H. Doerr +4 more
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Adverse effects of soil water repellency (hydrophobicity) are of concern during or following rainfall or irrigation, and are often preceded by conditions of high atmospheric relative humidity (RH). Assessments of repellency are, however, commonly conducted on air‐dried samples at ambient laboratory conditions.
S. H. Doerr +4 more
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1992
Water repellent soils exhibit hydrophobic properties when dry, resisting or retarding water infiltration into the soil matrix (Brandt, 1969a). Infiltration rates may be reduced by an order of magnitude, even in soils which visually appear to wet “normally” (Wallis et al., 1991).
M. G. Wallis, D. J. Horne
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Water repellent soils exhibit hydrophobic properties when dry, resisting or retarding water infiltration into the soil matrix (Brandt, 1969a). Infiltration rates may be reduced by an order of magnitude, even in soils which visually appear to wet “normally” (Wallis et al., 1991).
M. G. Wallis, D. J. Horne
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2018
Capillary forces in unsaturated soils depend on the surface tension of water, the dimensions of soil pores and on the contact angle of the interfaces of the solid phase of soil (soil matrix) and liquid water. The contact angle (angle of wetting) is assumed to be zero, but in real soils is higher, depending on the properties of the thin surface layer ...
Viliam Novák, Hana Hlaváčiková
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Capillary forces in unsaturated soils depend on the surface tension of water, the dimensions of soil pores and on the contact angle of the interfaces of the solid phase of soil (soil matrix) and liquid water. The contact angle (angle of wetting) is assumed to be zero, but in real soils is higher, depending on the properties of the thin surface layer ...
Viliam Novák, Hana Hlaváčiková
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USEFUL SOIL-WATER REPELLENCY INDICES
Soil Science, 2008Water repellency (WR) has been classically characterized at fixed (usually oven-dry) soil water content (θ g ) in terms of the soil water contact angle (CA), a. However, a has been previously reported to depend upon θ g in a nonlinear fashion, such that WR increases from a wettable state close to saturation (θ g-min ) up to a maximum, α max ...
Regalado, C M +5 more
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Manure-Induced Soil-Water Repellency
Soil Science, 2011AbstractThis laboratory study was conducted to evaluate the potential of nine manure samples from dairy (n = 7), beef (n = 1), and swine (n = 1) to cause water repellency (WR) in six soils; in addition, the duration of WR in two soils was assessed in an incubation study.
Paulo H. Pagliari +4 more
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Post‐fire Soil Water Repellency
Soil Science Society of America Journal, 2004Fire‐induced soil water repellency is a key control on post‐fire runoff and erosion rates, but there are few data on the persistence of soil water repellency and the soil moisture threshold at which water repellent soils become hydrophilic. This study used repeated sampling to quantify changes in soil water repellency over time and
Lee H. MacDonald, Edward L. Huffman
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Modeling infiltration into water repellent soil
2023Infiltration is an important hydrological process impacting ecology, forestry, agronomy, civil- and environmental engineering. Most infiltration models assume soils to be “wettable”, i.e., water in the soil forming an effective contact angle with the soil matrix that is close to zero.
Markus Berli, Rose Shillito
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