Vol. 86, No. 4 (Published on 1st, July. 2024)

CONTENTS

ESSAY

　S. ARIMA…189

SPECIAL EDITION

Fertilization Technology Contributing to Strategy for Sustainable Food Systems MIDORI

Editor：J. NISHIKAWA

　T. OHYAMA : Full Utilization of Paddy Fields by Deep Placement Techniques of Nitrogen Fertilizers…192

　T. ASANO : Expanding the Use of Domestic Resources such as Compost through Granular Processing…198

　T. NISHIKAWA : Field Demonstration of “Paddy Rice Growth Diagnosis and Topdressing Calculation System” in Okayama Prefecture…204

TECHNO-TOPICS

J. AOKI : Remote Control Small Hammer-knife Mower for Steep Slope…207

PAPERS (Article)

RESEARCH PAPERS

S. UMENO, M. TOMITA, M. TANAKA, Y. KIKUCHI, M. MATSUI : Measurement of the Mechanical Actions by a Walking Tractor in the Case of an Operator Crushed
　　─Elucidating the Crushing Mechanism when a Loop-Shaped Handle Restrained an Operator─…221 　abstracts

Y. SASHIHARA, Y. UEKA, S. OHATA, Y. DOI, S. ARIMA, E. TAKEYAMA, E. FUJII : Development of a Traveling Unit for Steep Slopes and Its Adaptability to Harvesting and Transporting Operations…231 　abstracts

TECHNICAL PAPER

T. KODAMA, Y. NAGASAKA, A. OIDE, S. TANAKA : Effects of Using GNSS Guidance for the Non-skilled Operator to Improve the Accuracy and Efficiency of the Tedding Operations…240 　abstracts

SHORT PAPER

M. CHIBA : Application Characteristics of Organic Fertilizer by Fluted Roll Type Fertilizer Applicator…245 　abstracts