Evaluation of Pedotransfer Functions for Predicting the Soil Moisture Retention Curve

2001 ◽  
Vol 65 (3) ◽  
pp. 638-648 ◽  
Author(s):  
Wim M. Cornelis ◽  
Jan Ronsyn ◽  
Marc Van Meirvenne ◽  
Roger Hartmann
Keyword(s):  
Soil Moisture ◽  
Pedotransfer Functions ◽  
Moisture Retention ◽  
Retention Curve ◽  
Soil Moisture Retention Curve ◽  
Soil Moisture Retention

scholarly journals Using Two Pedotransfer Functions to Estimate Soil Moisture Retention Curves From One Experimental Site of ​​South Moravia

2014 ◽  
Vol 62 (3) ◽  
pp. 501-506
Author(s):  
Ivana Kameníčková ◽  
Lucie Larišová
Keyword(s):  
Soil Moisture ◽  
Mean Squared Error ◽  
Pedotransfer Functions ◽  
Moisture Retention ◽  
Undisturbed Soil ◽  
Data Points ◽  
The Individual ◽  
South Moravia ◽  
Soil Moisture Retention

The soil moisture retention curves (SMRCs) were measured in laboratory conditions. The sand table and pressure extractor method were used to obtain a 9-point SMRCs for undisturbed soil samples taken from 20 cm depth. The data points of the individual retention curves were parameterized using the RETC computer program. For the same soil, the SMRCs were estimated by two models of pedotransfer functions (PTFs). In the first part of the study the Rosetta program with the model of artificial neural network (Schaap et al., 1998) was used. The PTFs derived by Wösten et al. (1998) were used in the second part of the study. The reliability of selected PTFs models were tested on local soils from one site of the South Moravia. The quality of estimated retention curves was evaluated using the coefficient for correlation R between the measured and the estimated soil water content at several pF values and the root mean squared error RMSE. Of the two models of PTFs, which have been tested in the study, Wösten’s model showed better agreement with the measured retention curves (RMSESch = 0.0383 (cm3.cm−3), RMSEW = 0.0264 (cm3.cm−3)).

scholarly journals Soil moisture retention and rainfed wheat yield variations by the addition of gypsum and green manure

2020 ◽  
Vol 11 (1) ◽  
pp. 6-16
Author(s):  
Kausar Rahina ◽  
Imran Akram Muhammad ◽  
Iqbal Choudhary Muhammad ◽  
Malik Ayesha ◽  
Rashid Zahid Abdur ◽  
...  
Keyword(s):  
Soil Moisture ◽  
Green Manure ◽  
Wheat Yield ◽  
Moisture Retention ◽  
Rainfed Wheat ◽  
Soil Moisture Retention

Digital mapping of soil moisture retention properties using solely satellite-based data and data mining techniques

2020 ◽  
Vol 585 ◽  
pp. 124786
Author(s):  
Mehrdad Jeihouni ◽  
Seyed Kazem Alavipanah ◽  
Ara Toomanian ◽  
Ali Asghar Jafarzadeh
Keyword(s):  
Data Mining ◽  
Soil Moisture ◽  
Moisture Retention ◽  
Data Mining Techniques ◽  
Digital Mapping ◽  
Soil Moisture Retention

scholarly journals Investigations on effectiveness of wheat and rice straw mulches on moisture retention in potato crop (Solanum tuberosum L.)

2019 ◽  
Vol 8 (S1) ◽  
pp. 345-356 ◽  
Author(s):  
Lalit Goel ◽  
Vijay Shankar ◽  
R. K. Sharma
Keyword(s):  
Soil Moisture ◽  
Wheat Straw ◽  
Rice Straw ◽  
Moisture Absorption ◽  
Potato Crop ◽  
Moisture Retention ◽  
Straw Mulch ◽  
Wheat Straw Mulch ◽  
Soil Moisture Retention ◽  
Scanning Electron

Abstract Purpose Mulching is a practice recommended for soil moisture conservation in potato. The wheat straw and rice straw obtained as major crop residues were used as mulching materials to compare their effectiveness for soil moisture retention in potato crop. Methods The field experiments were conducted in a randomized complete block design replicated thrice with three treatments viz. plots incorporated with wheat straw mulch, rice straw mulch at the rate of 10 tonnes per hectare each and no mulch serving as control. The soil moisture was determined using a soil moisture probe and data were recorded daily at 10 cm, 20 cm and 30 cm soil depths. The Field Emission Scanning Electron Microscopy was used to investigate moisture retention characteristics of the mulch materials. Results Soil moisture retention varied as wheat straw mulch > rice straw mulch > no mulch at 10 cm, 20 cm and 30 cm soil depths, respectively. Highest moisture retention in wheat straw mulch at 10 cm depth is attributed to better moisture absorption ability of wheat straw in comparison to rice straw. Field Emission Scanning Electron Microscope images indicated the presence of smaller sized micro tubes in wheat straw than rice straw, which resulted in more water retention, thereby substantiating the findings of the study. Conclusion Wheat straw mulch is more effective than rice straw mulch for shallow rooted crops like potato, due to better moisture absorption and retention in upper soil layer.

Sign in / Sign up

Export Citation Format

Share Document