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You searched for: Author/Creator Zhang, Qingfen- Zhang, Qingfen [remove] 5
- 630.5 3
- Horticulture -- Periodicals 3
- Soils -- Periodicals 3
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- Biodegradable film -- polyethylene film -- soil nutrition content -- soil enzyme activity -- grain yield 1
- Chlorophyll content index -- leaf area index -- grain yield -- tillage method -- rainfed agriculture 1
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