Table 2: Sensitivity of radiometer channel to 0–6 cm layer gravimetric soil moisture evaluated over corn and soy fields, respectively. The LH channel has the maximum sensitivity with the sensitivity being much greater over soy fields than corn fields [41].

PeriodLHLVSHSV
Corn

176–178−0.386−0.242−0.131−0.076
186-187−0.831−0.284−0.644−0.070
187-188−0.316−0.165−0.164−0.124
188-189−0.357−0.132−0.132−0.084

Soy

176–178−1.182−0.3330.183−0.054
186-187−1.013−0.4260.787−0.425
187-188−1.117−0.409−0.379−0.133
188-189−1.050−0.848−1.047−0.665