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Keyword [protected vegetable fields]
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1. Suburbs Of Beijing To Protect The Soil Nitrogen Mineralization Process
2. Effects Of Chemical Fertilizer Reduction And Slurry Substituted On Nitrogen And Phosphorus Balance In Protected Vegetable Fields
3. Investigation Of Soil Obstacle Factors And Analysis Of Influencing Factors In Protected Vegetable Fields
4. Evaluation Of Catched Vegetables Suitable For Protected Vegetable Fields In Guangdong And Their Effects On Nitrogen And Phosphorus Leaching
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