blacksoil相关论文
The effect of fertilization management on the quantity and population structure of Fusarium spp.in s
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Bacterial community and diversity in black soil after planting soybean-corn-wheat for 27 years and a
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Regressive models were obtained by employing 311-B and 3414 optimal regressive desingns throughrn5-year (1993～1997) field......
通过对我省黑土肥力、以料施用及作物产量情况的监测，得出结论：⑴有机肥实物施入量基本上大于化肥施入量，折纯施入量比例相反；⑵作物养......
