Soil Organic Matter, Impacts on Productivity 1979-April 1988: 335 Citations |
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Agricultural Engineers Agricultural Experiment Station Agronomy American Nurseryman Publishing American Society Ankeny Beltsville Biological control Cal1 Chemical conservation tillage systems crop DNAL DNAL 80 earthworms editor Effect Eisenia Elsevier Scientific Publishers Entomological Society entomology environmental fertilizers Gustav Fischer Hibiscus cannabinus Horticultural humus Includes references International Plant Propagators invertebrate pathology Iowa israelensis J. F. Power J.F. Power Jena JETHDA Journal of ethno-pharmacology kenaf kenaf Hibiscus cannabinus legumes in conservation Limerick Literature review Lumbricidae Lumbricus terrestris Madison medicinal plants microbiology Moskva Mosquito control NAL Call National Agricultural Library National Conference nitrogen no-till no-tillage Nov/Dec nursery Order Dept ornamental plants Oxford Paper presented Pedobiologia Pergamon Press pesticides Plant Propagators production role of legumes Sept Society of Agricultural Society of Agronomy Society of America Soil biology Soil Conservation Society soil science Spruce Budworms Symposium University of Georgia Weed Science Weed Science Society yield