Development and evaluation of a microwave soil moisturesensor for incorporation in a narrow cultivator tine

Journal of Agricultural Engineering Research - Tập 50 - Trang 25-33 - 1991
W.R. Whalley1
1Information Engineering Division, Silsoe Research Institute, Wrest Park, Silsoe, Bedford MK45 4HS, UK

Tài liệu tham khảo

Bowers, 1975, Drying front sensing and signal evaluation for planters, Transactions of the ASAE, 18, 1051, 10.13031/2013.36736 Moore, 1989, Spot irrigation for transplanted crops: Soil water and plant interactions Whalley, 1990 Richards, P. A.; Whalley, W. R.; Bowman, G. E. A low cost instrument for microwave attenuation measurement in relation to moisture sensing. (In preparation for the Journal of Agricultural Engineering Research) Hecht, 1979 Kent, 1972, The use of strip line configuration in microwave moisture measurement, Journal of Microwave Power, 7, 185, 10.1080/00222739.1972.11688843 Whalley, 1989 Stafford, 1979, A versatile high-speed soil tank for studying soil and implement interaction, Journal of Agricultural Engineering Research, 24, 57, 10.1016/0021-8634(79)90060-X Ross, 1987 Zegelin, 1989, Improved field probes for soil water content and electrical conductivity measurements using time domain reflectance, Water Resources Research, 25, 2367, 10.1029/WR025i011p02367 Lorrain, 1970