Changes in the cycling of nitrogen, phosphorus, and potassium in a dairy farming system von Kobayashi, Ryoji, Yamada, Akihisa, Hirooka, Hiroyuki, Tabata, Yusuke, Zhang, Jianguo, Nonaka, Kazuhisa, Kamo, Mikio, Hayasaka, Kiyoshi, Aoki, Yasuhiro, Kawamoto, Hidenori, Shimonasako, Hiroshi, Kida, Tamaki, Ogawa, Masuhiro, Miyaji, Makoto

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Study on Accurate Fertilizing and Seeding: II. Activity of Furrow Openers von SHIMONASAKO, Hiroshi, NAKA, Seiichi

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II. Activity of furrow openers. Study on accurate fertilizing and seeding von SHIMONASAKO, Hiroshi, NAKA, Seiichi

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Improvement of the Slurry Injection into the Soil Layers von SHIMONASAKO, Hiroshi, NAKA, Seiichi, IMAZONO, Sasakazu

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Study on Accurate Fertilizing and Seeding: I. Adaptability of the Developed Seeding Machine with Large Diameter Cell von SHIMONASAKO, Hiroshi, YAJI, Yukio, NAKA, Seiichi, IMAZONO, Sasakazu

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I. Adaptability of the developed seeding machine with large diameter cell. Study on accurate fertilizing and seeding von SHIMONASAKO, Hiroshi, YAJI, Yukio, NAKA, Seiichi, IMAZONO, Sasakazu

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Weeding Performance of the Intra-row Weeders: (I) Weeding Effects of Soil Covering von ISHIDA, Shigeki, SHIMONASAKO, Hiroshi, MIYAMOTO, Keiji, MATSUDA, Kiyoaki, YAMASHIMA, Yoshimitsu, SHIRAHATA, Masaki

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Weeding Performance of the Intra-row Weeders: (II) Operating frequency and Weeding Effects von MATSUDA, Kiyoaki, MIYAMOTO, Keiji, SHIMONASAKO, Hiroshi, ISHIDA, Shigeki, YAMASHIMA, Yoshimitsu, SHIRAHATA, Masaki

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Changing of Wheat protein content and composition by fertilizer application von MASUDA, Kinya, NIRA, Rikiya, NISHIMUNE, Akira, SHIMONASAKO, Hiroshi

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施肥によるコムギタンパク含有率および組成の変化 von 増田, 欣也, 新良, 力也, 西宗, 昭, 下名迫, 寛

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