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Keyword [Critical value]
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1. Long-term Change Of Phosphorus In Soils Under Wheat-Maize Crop Rotation In China
2. Calcium Content Of Sichuan Basic And Crop Reponse To Calcium Fertilizer
3. Effects Of Continously Applying Nitrogen On Soil Nitrate Accumulation In Rain-fed Agriculture Region Of Mid Loess Plateau
4. Discussion On Methodology To Determine Soil Moisture Critical Value With That Loess Soil Is Presented As Non Lambert
5. Responses Of Six Iris Species To Drought Stress
6. Study On Characteristics Of Erosive Rainfall And Erosion Of Hilly Region Of Purple Soil In Central Sichuan Province
7. Validity Of The Accumulated Phosphorus Of Soil In Protective Farmland
8. Phosphorus Fractions In Animal Manure And Soil Phosphorus Management In China
9. Study On The Characteristics Of Potassium Absorbtion, Distribution And Diagnosis In Winter Wheat
10. Tongliao City Spatial Distribution Of Soil Effective Zinc Content And Soil Effective Zinc Critical Value Research
11. Drought Risk Assessment For Wheat In Liaocheng
12. The Critical Value Of Soil P Leave For Corp And Environmental Safety In Different Soil Types
13. The Nutrient Diagnosis Of Toona Sinensis Plantation In Xingwen County
14. The Spatial Distribution Of The Greater Hinggan Mountains North District Of B And The Determination Of The Critical Value Of Major Crops
15. Analysis Of Runoff Change And Contribution Rates Of Its Impacting Factors In Dakeng Small Watershed
16. Research On Soil Available Phosphorus Content And Leaching Loss In Subtropical Cultivated Land
17. Comparing soil testing methods for soil organic matter, lime requirements, and developing a phosphorus soil test correlation
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