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008210127s2018 |||||||||||||||||c||eng d
020 ▼a 9798684696367
040 ▼a 247004 ▼c 247004 ▼d 247004
0820 ▼a 631.4
1001 ▼a Davies, Benjamin.
24510 ▼a Time and Rate of Nitrogen Fertilization Influence Maize Nitrogen Use Efficiency and Soil Enzyme Activity.
260 ▼a [S.l.]: ▼b University of Minnesota., ▼c 2018.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2018.
300 ▼a 175 p.
500 ▼a Source: Dissertations Abstracts International, Volume: 82-05, Section: B.
500 ▼a Advisor: Pagliari, Paulo H.;Coulter, Jeffrey A.
5021 ▼a Thesis (Ph.D.)--University of Minnesota, 2018.
506 ▼a This item must not be sold to any third party vendors.
650 4 ▼a Soil sciences.
650 4 ▼a Agronomy.
650 4 ▼a Agriculture.
71020 ▼a University of Minnesota. ▼b Land and Atmospheric Science.
7730 ▼t Dissertations Abstracts International ▼g 82-05B.
773 ▼t Dissertation Abstract International
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15758078 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 202102 ▼f 2021
990 ▼a ***1012033
991 ▼a E-BOOK