Phosphorus Mobility Through Soil Increased with Organic Acid-Bonded Phosphorus Fertilizer (Carbond® P)
作者： Micheal W. Hill , Bryan G. Hopkins , Von D. Jolley , Bruce L. Webb
DOI: 10.1080/01904167.2014.973041
关键词:
摘要: Phosphorus fertilizer is critical to crop production but inefficiently absorbed and consequently linked surface water pollution. mobility was measured on three soils using 0.18 m soil columns treated with Carbond® P (CBP, 7-24-0), ammonium polyphosphate (APP, 10-34-0) monoammonium phosphate (MAP, 11-52-0) applied either by mixing thoroughly or in concentrated bands at rates of 20 30 kg ha−1. Mobility leachate collected 24, 48, 110 365 d after fertilization (daf). produced the highest total values over study period compared MAP APP for both mixed band applications. On individual days, CBP generally allowed more soluble than up until daf (one exception) not daf. Higher solubility explains higher uptake plants from could reduce applications crops.
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