Method and device for measuring soil bulk density in real time
A technology of soil bulk density and real-time measurement, which is applied in the field of farmland soil physical property measurement, can solve the problems of time-consuming and labor-intensive measurement process, soil original state damage, inevitable soil sampling and other problems, and achieve the effect of facilitating the distribution of time and space
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[0035] A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
[0036] figure 1 Shows a schematic structural diagram of a real-time soil bulk density measurement device of the present invention. The measurement device includes a hollow cone rod 1 with a length H 1 It can be determined according to the maximum profile depth that needs to be measured. The tapered rod is provided with a coaxial cable 2 and an optical fiber 3 for transmitting electrical signals and optical signals, respectively. The optical fibers include a light source fiber 31 and a detection fiber 32. The lower end of the cone rod 1 is connected with a soil volumetric water content probe 4, which consists of a cone head 41, a metal ring 42 and an insulating ring 43. The cone head thread is connected to the lower end of the cone rod, and the insulating ring is located above the cone head and Nested on the cone rod, the metal ring is directly nes...
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