scholarly journals Carboxylated nanocellulose superabsorbent: Biodegradation and soil water retention properties

2021 ◽  
pp. 51495
Author(s):  
Ruth M. Barajas‐Ledesma ◽  
Vanessa N. L. Wong ◽  
Karen Little ◽  
Antonio F. Patti ◽  
Gil Garnier
Keyword(s):  
Soil Water ◽  
Water Retention ◽  
Soil Water Retention ◽  
Water Retention Properties

scholarly journals Prediction of soil water retention properties using pore-size distribution and porosity

2013 ◽  
Vol 50 (4) ◽  
pp. 435-450 ◽  
Author(s):  
Christopher T.S. Beckett ◽  
Charles E. Augarde
Keyword(s):  
Pore Size Distribution ◽  
Pore Size ◽  
Size Distribution ◽  
Soil Water ◽  
Water Retention ◽  
Adsorbed Water ◽  
Retention Data ◽  
Soil Water Retention ◽  
Pore Size Distributions ◽  
Water Retention Properties

Several models have been suggested to link a soil's pore-size distribution to its retention properties. This paper presents a method that builds on previous techniques by incorporating porosity and particles of different sizes, shapes, and separation distances to predict soil water retention properties. Mechanisms are suggested for the determination of both the main drying and wetting paths, which incorporate an adsorbed water phase and retention hysteresis. Predicted results are then compared with measured retention data to validate the model and to provide a foundation for discussing the validity and limitations of using pore-size distributions to predict retention properties.

Estimation of the van Genuchten Soil Water Retention Properties from Soil Textural Data

Pedosphere ◽  
2010 ◽  
Vol 20 (4) ◽  
pp. 456-465 ◽  
Author(s):  
B. GHANBARIAN-ALAVIJEH ◽  
A. LIAGHAT ◽  
Guan-Hua HUANG ◽  
M. Th. VAN GENUCHTEN
Keyword(s):  
Soil Water ◽  
Water Retention ◽  
Soil Water Retention ◽  
Textural Data ◽  
Water Retention Properties

scholarly journals THE EFFECT OF COMPACTION ON WATER RETENTION IN THE VINEYARD’S ROOT ZONE

AGROFOR ◽  
2019 ◽  
Vol 3 (3) ◽  
Author(s):  
Markela KOZAITI ◽  
Sofia KOSTOPOULOU
Keyword(s):  
Soil Water ◽  
Water Retention ◽  
Root Zone ◽  
Characteristic Curve ◽  
Distance Sampling ◽  
Soil Bulk Density ◽  
Soil Water Retention ◽  
Traffic Impact ◽  
In The Beginning ◽  
Water Retention Properties

In vineyards, frequent machinery traffic between the vine rows results in spatialand temporal changes in soil structure that affect the water retention properties inthe root zone. Compaction effects on the soil water characteristic curve in the rootzone were evaluated in three vineyards of different soil types (a Cl, a ClL, and aSiL with increased sand percentage). Soil cores were collected from a) the tilledsoil on the vine-row and b) the compacted soil of ruts produced by machinerytraffic within the inter-row distance. Sampling was carried out at two depths (0-15cm and 15-30cm) and at two time intervals, the first in spring when agriculturalvehicles had accomplished 6-8 passes and the second in autumn, after ca 20 passes.The results of the first sampling in the beginning of the cultivation period revealedthat compaction increased soil bulk density of the three vineyards in both depths.Drainage pores collapsed to smaller ones while plant available water and texturalporosity increased. The effect of compaction was more pronounced on the surface(0-15 cm) of the more fine textured soils. In autumn, at the end of the cultivationperiod, it was found that the soil water retention characteristics in the vineyardsroot zone were not substantially further affected by machinery traffic. Weconcluded that machinery traffic impact on the studied properties was intense inspring when the soil in vineyards was loose from tillage before the cultivationperiod and had temporally increased moisture content which results in decreasedstrength.

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