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Dive into the research topics where Yasuji Yoshida is active.

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Featured researches published by Yasuji Yoshida.


Japanese Journal of Farm Work Research | 1969

Studies on the Fruits Farm Conditions for Mechanization

Yasuji Yoshida; Takao Obata; Koharu Nakanishi

60m2の 斜面上で供試機にてプラウ, ロータリ耕 を上, 下勾配別, プラウ耕で10回, ロータリ耕で 5回 実施し, 1回 ごとに作業速度, 精度などの各項 日について, 本誌第5号 で述べたと同様の方法で計 測を行なって, それぞれの計測値を求め良, 不良を 判定した。また操縦性についてはオペ レータから の聞き取りによってその良, 不良をきめた。なお, この実験では機械進行方向に直交する斜面について は行なわなかった。. ii 実験-2 (均平度について) 実験の材料と方法 実験の材料は実験-1で 用いた供試機と同様の機 械と均平度不良な園地面である。供試園地は近大付 属農場柑橘園内の比較的均平度の不良な箇所を長さ 20m巾3mに 選びそのままの状態で供試した。実 験の方法は供試園地の均平度を知るためにレベル測 量を行なって, その均平度を第2図 の縦断面に表わ し, また作業後の精度を知るため第2図1, 2, 3 ...の 地点にあらかじめ耕深の測定地点を定めて おき計測値を求めた。また操縦性については実験1と 同様の方法できめた。 なお別に第3, 4図 に示す様な不整地をつくりトラ クタ作業との関係を求めた。 第1図 造成斜面図


Agricultural and biological chemistry | 1991

Structures of New Cyclic Peptides in Young Unshiu (Citrus unshiu MARCOV.), Orange (Citrus sinensis OSBECK.) and Amanatsu (Citrus natsudaidai) Peelings

Yoshiharu Matsubara; Takehiko Yusa; Akiyoshi Sawabe; Yoshitomi Iizuka; Shin-ichi Takekuma; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1997

Changes in respiration rate, saccharide and organic acid content during the development and ripening of mango fruit (Mangifera indica L. 'Irwin') cultured in a plastic house

Takuji Ito; Katsuaki Sasaki; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1990

Sugar and ascorbic acid contents of satsuma mandarin fruits harvested from exterior and interior canopy of trees during fruit development.

Hidemi Izumi; Takuji Ito; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1988

Relationship between Ascorbic Acid and Sugar Content in Citrus Fruit Peel during Growth and Development

Hidemi Izumi; Takuji Ito; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1990

Changes in Fruit Quality of Satsuma Mandarin during Storage, after Harvest from Exterior and Interior Canopy of Trees

Hidemi Izumi; Takuji Ito; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1984

Citrus Juice Waste as a Potential Source of Dietary Fiber

Yasuji Yoshida; Motoko Ueda


Journal of The Japanese Society for Horticultural Science | 1992

Effect of Light Intensity during the Growing Period on Ascorbic Acid Content and Its Histochemical Distribution in the Leaves and Peel, and Fruit Quality of Satsuma Mandarin

Hidemi Izumi; Takuji Ito; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1990

Seasonal Changes in Ascorbic Acid, Sugar and Chlorophyll Contents in Sun and Shade Leaves of Satsuma Mandarin and Their Interrelationships

Hidemi Izumi; Takuji Ito; Yasuji Yoshida


Journal of The Japanese Society for Horticultural Science | 1977

Fundamental Study on Citrus Fruit Juice

Yasuji Yoshida

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