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Mechanical and chemical weed control in perennial forage plant stands Yuri Kanygin, All-Union Williams Forage Research Institute |
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On the occurrence in grassland of heterodera longicaudata Seidel, 1972 and H. punctata Thorne, 1928 Mechthild Seidel, Pflanzenschutzamt des Bezirkes Rostock, GDR |
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Klaus Sieberhein, VEB Synthesewerk Schwarzheide, GDR |
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Nikolae Simtea, LZIS Megurele |
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Klaus Sieberhein, VEB |
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Experimental results with various herbicides in established alfalfa Taib Saric, University of Sarajevo |
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Resistance of tropical pasture species to herbicides Punjabrao Amritrao Chadhokar, Department of Primary Industry, Bubia, Papua New Guinea |
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Results of herbicide application in an integrated system of alfalfa/field grass production Klaus Sieberhein, VEB |
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Rene Bournoville, INRA |
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Helmut Bochow, Humboldt-University Berlin |
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Soil nematodes and forage production of some cool season grasses C S. Hoveland, Auburn University |
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Some consequences of a prolonged absence of invertebrates from a perennial rye grass sward R O. Clements, The Grassland Research Institute |
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Etiology and control of total white ears in grass stands for seed production Theo Wetzel, Martin-Luther-Universitat Halle |
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Manfred Ahnert, Pflanzenschutzamt des Bezirkes Karl-Marx-Stadt |
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Virus diseases on leguminous forage crops in the German Democratic Republic H E. Schimdt, Akademie der Landwirtschaftswissenschaften |
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Kate Frauenstein, Martin Luther Universitat Halle-Wittenberg |
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