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Publication Type:
| Report |
Author(s): | Sato, Kenzi;
Tanada, Yone;
Nishimura, Fumihiko;
Nomoto, Tatsuro;
Harashima, Norikazu;
Nashiki, Mamoru;
Inoue, Keiichi |
Author Affiliation: | Dept. of Grazing Animal Production and Dept. of Forage Production and Utilization, National Grassland Research Institute, Nishinasuno, Tochigi, Japan. |
Title: | [ ] |
Translated Title: | Utilization of the Reflection and Penetration Type Systems; Using the Microwave as the Method of Measurement in Grasslands |
Source: | Bulletin of the National Grassland Research Institute. Vol. 41, March 1989, p. 45-52. |
Publishing Information: | Nishinasuno, Tochigi, Japan |
Keywords: | TIC Keywords: Measurement; Biomass; Morphology; Reflectance; Methodology; Techniques; Computer applications
|
Geographic Terms: | Japan |
Abstract/Contents: | "The utilization of two types of instruments using microwave (L, S, C and X bands), for the development of nondestructive methods for the determination of the biomass and morphological status of grassland was evaluated. 1) The reflection type instrument enables to measure the reflectance from the grassland. This type which is controlled by a desktop computer, has flat multiband (L,S,C and X bands) antennas that move from the start of the measurements to the end. The collected data represented by periodical waves can be analyzed by a computer and stored on a digital cassette tape. This system supplied information on biomass and morphological status of the grassland. 2) The penetration type instrument controlled by a computer, has a transmitter and a receiver so arranged as to enable to measure the transmission of the C-band microwave through grass. The transmission and reception were performed both using flat antennas. This system which enables to analyze the quantitative factors which decrease the effect of the ground on the grassland may be used as a micro-remote sensing." |
Language: | Japanese |
References: | Unknown |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Sato, K., Y. Tanada, F. Nishimura, T. Nomoto, N. Harashima, M. Nashiki, et al. 1989. [ ]. (In Japanese) Bull. Natl. Grassl. Res. Inst. 41:p. 45-52. |
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