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Keyword [Nitrogen and phosphorus reduction]
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1. Research On The Greenhouse Vegetables-paddy Field Coupled Mode For Nitrogen And Phosphorus Reduction
2. Environmental Friendly Fertilization And Runoff N/P Emission Reduction Technology In Vegetable Fields
3. Effect Of Cattle Manure Fouling Replace With Nitrogen Phosphorus Reduced Without Topdressing On Nutrient Accumulation And Yield Of Maize
4. Chang Of Soil Fertility In Rice-rice-vegetable Cropping System And Its Improvement Technology
5. Effects And Mechanism Of Nitrogen And Phosphorus Reduction Combined With Selenium On Growth Of Guanxi Pomelo And Soil Nitrogen Utilization
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