Studies on the home seed production of the broad bean [Vicia faba] von Kubota, M. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Kasai, Y, Koibuchi, K

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Control of mixed spontaneous buckwheat [Fagopyrum esculentum] in wheat at farming system on buckwheat and wheat [Triticum aestivum] cropping von Yumino, I. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Kinouti, K, Aitani, T

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Studies on direct seeding by helicopter with coated rice [Oryza sativa] in submerged paddy field von Onuki, K. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Aitani, T, Hirasawa, N, Tomobe, H, Kano, M, Kubota, M, Kinouti, K, Yumino, I, Namekawa, H

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Studies on development of weed control methods for paddy rice field through the application of flowable formulations von Onuki, K. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Aitani, T, Hirasawa, N, Kinouti, K, Yumino, I

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On the new semi recommended cultivar "Sayaka" [Arachis hypogaea] in Ibaraki prefecture [Japan] von Izumisawa, T. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Nakagawa, E, Ishihara, M

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Improvement of farming system on wheat [Triticum aestivum], barley [Hordeum vulgare] and soybean [Glycine max] cropping in rotational upland field von Kinouti, K. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Aitani, T, Hirasawa, N, Kirihara, M

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The effect of paddy fields on water quality, 3: Outflow of N.P.COD from the block of paddy fields von Oyamada, T. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Hirayama, C

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The utilization of sewage sludge in the agricultural field, 4: Influence on concentrations of heavy metals in soil with applications of sewage sludges von Matsumoto, E. (Ibaraki-ken. Agricultural Experiment Inst., Mito (Japan)), Hirayama, C

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The utilization of sewage sludge in the agricultural field, 3: Influence on chemical properties in soil with applications of sewage sludges von Matsumoto, E. (Ibaraki-ken. Agricultural Experiment Institute, Mito (Japan)), Hirayama, C

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