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-term crop rotation systems. Wang et al. (p. 68) evaluated effects of four brassica and sorghum-sudangrass cover crops on nutrient cycling, weed suppression, and onion yield on a muck soil with high organic matter in Michigan. All cover crops recycled

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Melissa Bonham, Gerald M. Ghidiu, Erin Hitchner and Elwood L. Rossell

, azinphos-methyl, and phosmet, until the early 1990s. Additionally, the increase in carrot weevil damage may also be attributed to limited acreage for crop rotation, an important pest management tactic for carrot weevil ( Grafius, 1984 ). Seed treatment

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Joseph N. Wolukau, Xiaohui Zhou and JinFeng Chen

several cucurbit production areas ( Keinath and Zitter, 1998 ). Crop rotations are only partially effective, because airborne inoculum coming in from other areas can help to initiate new infections ( Tullu et al., 2002 ). Therefore, use of resistant

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Adam Montri and J.A. Biernbaum

deeply after readily available nutrients have been used. Future research needs in the area of SOM management include compost application rates and types of compost based on the cropping system (perennial or annual) and crop rotation. SOM cycling under

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Anthony M. Ortiz, Brent S. Sipes, Susan C. Miyasaka and Alton S. Arakaki

. javanica has been found within the taro germplasm ( Ortiz et al., 2008 ). To reduce populations of M. javanica before the planting of taro, crop rotations with green manure crops that are non-hosts or poor hosts provide alternative means of controlling

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Paola Crinò, Chiara Lo Bianco, Youssef Rouphael, Giuseppe Colla, Francesco Saccardo and Antonino Paratore

sodium, formalin, chloropicrin, and so on), crop rotation, solarization, and use of resistant cultivars. Crop rotation appears to be ineffective because the chlamydospores of FOM are able to survive for many years in the soil ( Armstrong and Armstrong

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Byron L. Candole, Patrick J. Conner and Pingsheng Ji

rot, crown rot, and leaf blight. Recommended management strategies for P. capsici include cultural practices that ensure well-drained soils in the field, crop rotation, soil solarization, use of mulches to prevent splash/soil dispersal, and

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Rachel E. Rudolph, Thomas W. Walters, Lisa W. DeVetter and Inga A. Zasada

used, with application restricted to nonbearing acreage ( Zasada and Walters, 2016 ). Crop rotation has been suggested as a cultural management practice to reduce the severity of RLN and other soilborne diseases in the red raspberry system. Although

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Aaron Heinrich, Shinji Kawai and Jim Myers

necessary to reduce clubroot severity. Nor do they have rotational crops as profitable as brassicas. Clubroot has had less economic impact on larger farms in Oregon that grow brassicas for processing. Larger farms often have more crop rotation options, and

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Jin-wei Zhang, Yi-xue Liu, Jin-ping Yu, Wei Zhang, Ya-qiong Xie and Ning-ning Ge

composition and the relative importance of crop, crop rotation, and nitrogen. In addition, Hume (1982) and Hume et al. (1991) determined the impacts of agronomic practices on weed community composition in wheat. There have been few studies of the factors