Vol. 82, No. 2 (Published on 1st, March. 2020)

CONTENTS

ESSAY

M. OKAMOTO…89

SPECIAL EDITION

Overview of the JSAM Products and Technology Awards in 2019

Editor : R. OTANI

　Y. HANADA : Development of Self-driving Agricultural Machinery SMART PILOT Series…92

　T. TAKAHASHI : Cooperation between ISEKI AGRISUPPORT and Agricultural Support Services…97

　K. NAKAHASHI : 「NEC GAP assurance support service」 and Its Development…102

　T. NAKAJIMA : Development of Autonomous Driving Assist Combine WRH1200A…108

　Y. AOSHIMA : Development of Automatic Rice Quality Inspection System…112

TECHNO-TOPICS

J. PITOYO : Development of Wide-narrow Inter-row Spacing Walking-type Rice Transplanter in Indonesia…117

PAPERS (Articles)

RESEARCH PAPERS

Development of High Speed Ridge Forming Seeder for Soybeans Adapted to Moist Soil Conditions
　　─Investigations of Seeding Mechanism for Soybean Seeds Coated with Insecticide and Fungicide─…129 　abstracts

K. SHIGEMATSU, S. TAKAYAMA, K. NAMBA

Precise Fish Volume Estimation Using Underwater Double Cavity Helmholtz Resonator…138 　abstracts

S. N. NJANE, K. OGATA, Y. OGAWA, T. KAWAMURA, T. NISHIZU, T. SHIIGI, T. SUZUKI, N. KONDO

Estimate of Rice Lodging Based on Image Processing (Part 1)
　　─Effect Verification of Histogram of Oriented Gradient─…150 　abstracts

E. MORIMOTO, N. INAGAKI, D. UETA, K. TAKAHASHI, K. NONAMI

Estimate of Rice Lodging Based on Image Processing (Part 2)
　　─Effect Verification of Convolutional Neural Network and Learning to Rank─…156 　abstracts

E. MORIMOTO, N. INAGAKI, D. UETA, K. TAKAHASHI, K. NONAMI

Development of a Distance Sensor System for Robotic Mower Using Machine Vision…162 　abstracts

K. INOUE, Y. KAIZU, K. IMO

TECHNICAL PAPERS

Reduction of Spray Drift by Close Spraying of Trellis-Trained Orchard Crops…169 　abstracts

T. OTA, Y. YAMADA, M. KANAMITSU, T. YOSHIDA, T. MIZUKAMI, S. MIYAHARA, K. YUASA, K. AZUMA, T. SHIMADA

Development of Seeding Machine with Surface Fine Earth Rotary and Mulchfilm Stretching for Early Green Soybean Cultivation in Northern Cold Region…180 　abstracts

M. SAITO, H. SHINDO, M. HONJO, S. TAKEDA, M. KATAHIRA, J. TAKEDA

Planting Accuracy of a Rice Transplanter Designed for High-Density Seedlings
　　─Comparison of High-Density, Nursling, and Young Seedlings─…188 　abstracts

K. SAWAMOTO, T. INAMURA

SHORT REPORT

Development of a Performance-Testing Method for a Power Assist Suit Designed for Agricultural Work…196 　abstracts

M. TANAKA, S. UMENO, Y. KIKUCHI