Error associated with measurement of soil moisture change by neutron probe

Parkes, M. E.; Siam, Nordahlia Abdullah

doi:10.1016/0021-8634(79)90063-5

Cited by 23 publications

(10 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When neutron counts are taken at depths shallower than 15 cm, neutron escapement out of the soil column artificially lowers the estimation of soil water content (Grant, 1975) and correction equations must be employed. Using the equations developed by Parkes and Siam (1979), a correction factor for neutron escapement was iteratively applied to count ratios from the 5 cm depth. Due to the error encountered with surface (0 cm depth) measurements, soil water content at the soil surface was estimated by linear interpolation back to 0 cm from the 5 and 15 cm depth readings.…”

Section: Methodsmentioning

confidence: 99%

Postharvest water requirements of peppermint

Smesrud

Selker

1999

Communications in Soil Science and Plant Analysis

View full text Add to dashboard Cite

Peppermint (Mentha piperita var.) is a perennial field crop that is commonly irrigated following harvest to promote fall regrowth. A field study was conducted to measure the consumptive use of peppermint in the postharvest period and to develop crop coefficients used to predict evapotranspiration rates. The soil water balance was measured on two fields with a neutron probe during an 80 day period from

show abstract

Section: Methodsmentioning

confidence: 99%

Postharvest water requirements of peppermint

Smesrud

Selker

1999

Communications in Soil Science and Plant Analysis

View full text Add to dashboard Cite

show abstract

“…The measurement is weighted toward the center of the sphere closest to the source/detector and the soil moisture content affects the actual sphere of influence. Readings made near the soil surface less than 30 cm deep need to be corrected for loss of neutrons from the soil surface (Parkes and Siam, 1979).…”

Section: Sensor/instrumentmentioning

confidence: 99%