Vol. 82, No. 6 (Published on 1st, November. 2020)

CONTENTS

ESSAY

M. MATSUI…509

SUMMARY OF AWARD PAPERS

F. TANAKA : Summary of Paper Received 56th JSAM Academic Award…511

H. YAMASAKI, H. SHITOH, M. HORIO, E. SEKI, S. OKADA, M. TOMITA, Y. KIKUCHI, ISEKI & CO., LTD, KUBOTA CO., MITSUBISHI MAHINDRA AGRICULTURAL MACHINERY CO., LTD., YANMAR AGRICULTURAL MACHINERY MANUFACTURING CO., LTD. : Summary of Paper Received 45th JSAM Mori Technical Award…512

T. ITOH : Summary of Paper Received 19th JSAM Junior Academic Award…514

S. HAN : Summary of Paper Received 19th JSAM Junior Academic Award…515

R. YOSHIDA, Y. OGAWA, Y. KODAMA, A. NAKAJIMA, T. SUZUKI, N. KONDO : Summary of Paper Received 11th JSAM Paper Award（Research Paper）…517

M. OHNISHI, T. FUKAI, T. OHTA, H. YOSHII : Summary of Paper Received 11th JSAM Paper Award（Technical Paper）…519

SPECIAL EDITION

Agricultural and Food Machinery in Japan 2020

Editor : N. UMEDA

　N. OGAWA : Trend of Agricultural Mechanization…522

　F. ISHIBASHI : Tractor and Implement…527

　T. KATO : Rice Transplanter and Direct Seeder…534

　T. SAITO : Plant Protecting and Weed Control Machinery…540

　T. NAKAJIMA : Combine Harvester…544

　M. MURANAMI : Machinery for Vegetable Cultivation…550

　H. OKAJIMA : Machinery for Animal Husbandry…555

　K. GOTO, M. TANABE : Machinery for Grain Post Harvest and Circulation…559

　Y. NAGASAKA : IT and Mechatronics for the Agricultural Machinery…564

TECHNO-TOPICS

K. SOGO : Development of Leaf Onion Harvester for Food Processing Industry…568

PAPERS (Articles)

RESEARCH PAPERS

Biosensing Method of Growth Diagnosis in Forcing Culture of Strawberry　
─Biological Indicators for Evaluating Growth Inhibition under Low Temperatures─…593 　abstracts

S. TSUBOTA, K. NAMBA, Y. IWASAKI, T. FUKATSU, H. NAITO, T. OTA

Performance Evaluation of Current Models for Development of Advanced Potato Harvester…601 　abstracts

K. FUNABIKI, T. SATOW, A. FUJIMOTO

Development of an Autonomous Driving Control System for a Robotic Mower Using a Low-Cost Single-Frequency GNSS Compass…609 　abstracts

S. IGARASHI, Y. KAIZU, T. TSUTSUMI, K. IMOU

Development of High-Speed Ridge Forming Seeder for Soybeans, Adapted to Moist Soil Conditions　
─Seeding Performance of Prototype Seeder─…617 　abstracts

K. SHIGEMATSU, S. ONO, S. TAKAYAMA, J. ENDO, K. NAMBA

Prediction of Potato Yield Using Unmanned Aerial Vehicle and Convolutional Neural Network…624 　abstracts

D. TANABE, S. ICHIURA, A. NAKATSUBO, T. KOBAYASHI, M. KATAHIRA

Exploring Freshness Markers of Postharvest Spinach by Volatile Emission Profiling…636 　abstracts

A. SOGA, M. YOSHIDA, S. KUROKI, M. TSUTA, N. NAKAMURA, T. IMAIZUMI, M. THAMMAWONG, K. NAKANO

Optimization of the Lighting Environment in Sawdust-Based Shiitake Cultivation　
─Effect of Light Timing on Fruit Body Development During the Culture Stage─…642 　abstracts

K. OKADA, K. NAMBA, M. MONTA, Y. KASHINO

TECHNICAL PAPER

Learning System for Estimating the Area Ratio of Flowers-fruit and Leaves-stems from Tomato Plant Images Using Semi-supervised Learning…650 　abstracts

S. MATSUO, H. UMEDA, Y. IWASAKI