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008200131s2019 ||||||||||||||||| ||eng d
020 ▼a 9781088309551
035 ▼a (MiAaPQ)AAI13810644
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 633
1001 ▼a Araldi Da Silva, Grazieli.
24510 ▼a Studies on the Impact of Cover Crops on Soybean Productivity and Root Diseases.
260 ▼a [S.l.]: ▼b Iowa State University., ▼c 2019.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2019.
300 ▼a 135 p.
500 ▼a Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
500 ▼a Advisor: Leandro, Leonor
5021 ▼a Thesis (Ph.D.)--Iowa State University, 2019.
506 ▼a This item must not be sold to any third party vendors.
520 ▼a Soybean (Glycine max L.) and corn (Zea mays L.) are the two main field crops grown in the Midwest, and they are usually used in a rotation system (FAOSTAT, 2018). This cropping system contributes to the elevated nitrate levels found in the surface waters in the Midwest (David et al., 1997
590 ▼a School code: 0097.
650 4 ▼a Plant pathology.
650 4 ▼a Agriculture.
650 4 ▼a Agricultural production.
650 4 ▼a Plant diseases.
650 4 ▼a Corn.
690 ▼a 0480
690 ▼a 0473
71020 ▼a Iowa State University. ▼b Plant Pathology.
7730 ▼t Dissertations Abstracts International ▼g 81-04B.
773 ▼t Dissertation Abstract International
790 ▼a 0097
791 ▼a Ph.D.
792 ▼a 2019
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15490653 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 202002 ▼f 2020
990 ▼a ***1008102
991 ▼a E-BOOK