Effect of Air- and Water-Filled Voids on Neutron Moisture Meter Measurements of Clay Soil

Wilson and Ritchie (Aust. J. Soil Res., 1986, 24, 11-23) derived the response of a moisture meter to the soil parameters matrix density, mass absorption coefficient and mass scattering coefficient. The empirical equations describing these dependences were partially differentiated and used to determine the error introduced by the inaccuracy in each soil parameter. The present paper quantifies the error introduced by a 1% error in each of the soil parameters; the accuracy to which the soil parameters can be measured is discussed and the overall accuracy in the final water density is determined for a typical soil.

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Screening potato clones for resistance to common scab (Streptomyces scabies) in the field

The Journal of Agricultural Science ◽

10.1017/s0021859600025387 ◽

1972 ◽

Vol 79 (1) ◽

pp. 75-81 ◽

Cited By ~ 6

Author(s):

F. A. Langton

Keyword(s):

Water Content ◽

Soil Water ◽

Soil Water Content ◽

Common Scab ◽

Severe Infection ◽

Field Capacity ◽

Streptomyces Scabies ◽

Screening Tests ◽

Moisture Meter ◽

Neutron Moisture

SUMMARYPotato varieties were grown in the field in soil uniformly infected with Streptomyces scabies. In 1969 tubers were severely and evenly infected but in 1971 infection was slight and not uniform. Agreement of varietal ranking with agricultural experience was good in 1969 but poor in 1971.In 1971, plots protected from rainfall after planting were dry enough at the start of tubering for severe infection; covering the plots for a further 6 weeks followed by irrigation to field capacity resulted in good yields of evenly and severely scabbed tubers. Irrigation during this period suppressed scabbing. The results were easily interpreted in relation to fluctuations in soil-water content measured by a neutron moisture-meter.The efficiency of using only one site and the need to reduce variability in scab screening tests are discussed.

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Peer review report 2 On “In-situ measuring soil ice content with a combined use of dielectric tube sensor and neutron moisture meter in a common access tube”

Agricultural and Forest Meteorology ◽

10.1016/j.agrformet.2015.07.174 ◽

2015 ◽

Vol 201 ◽

pp. 631

Author(s):

Anonymous

Keyword(s):

Peer Review ◽

Dielectric Tube ◽

Combined Use ◽

Moisture Meter ◽

Neutron Moisture ◽

Ice Content ◽

Soil Ice Content

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