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Water Resources Research
Feinerman, E.
Yaron, D.
Bielorai, H.
The response function of a crop yield to soil salinity level is essential in decision‐making in regard to irrigation with saline water. A switching regression approach to estimate the piecewise linear response function with critical threshold level is presented, and the asymptotical stochastic properties of the estimates are described. The empirical estimates, based on grapefruit yield data, are compared with those of a recent published study by Maas and Hoffman (1977) and the statistical significance of the differences is discussed. Finally, the threshold hypothesis is tested empirically against some alternative formulations. It turns out that the ‘threshold hypothesis’ is confirmed. Copyright 1982 by the American Geophysical Union.
פותח על ידי קלירמאש פתרונות בע"מ -
הספר "אוצר וולקני"
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תנאי שימוש
Linear crop response functions to soil salinity with a threshold salinity level
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Feinerman, E.
Yaron, D.
Bielorai, H.
Linear crop response functions to soil salinity with a threshold salinity level
The response function of a crop yield to soil salinity level is essential in decision‐making in regard to irrigation with saline water. A switching regression approach to estimate the piecewise linear response function with critical threshold level is presented, and the asymptotical stochastic properties of the estimates are described. The empirical estimates, based on grapefruit yield data, are compared with those of a recent published study by Maas and Hoffman (1977) and the statistical significance of the differences is discussed. Finally, the threshold hypothesis is tested empirically against some alternative formulations. It turns out that the ‘threshold hypothesis’ is confirmed. Copyright 1982 by the American Geophysical Union.
Scientific Publication
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