SCREENING METHOD FOR COMPOSITE PHYSICAL MATERIALS CAPABLE OF INHIBITING AND CONTROLLING NITROGEN LEACHING IN PROTECTED HORTICULTURAL VEGETABLE FIELDS

The invention discloses a screening method for composite physical materials capable of inhibiting and controlling nitrogen leaching in protected horticultural vegetable fields, comprising: adding exogenous NO3 N , plotting NO3 N isothermal adsorption curves for the NO3 N adsorption amounts of six ma...

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Bibliographische Detailangaben
Hauptverfasser:	KOU Changlin, LUO Xiaosheng, ZHANG Yunhong
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MANUFACTURE THEREOF MEASURING METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention discloses a screening method for composite physical materials capable of inhibiting and controlling nitrogen leaching in protected horticultural vegetable fields, comprising: adding exogenous NO3 N , plotting NO3 N isothermal adsorption curves for the NO3 N adsorption amounts of six materials; selecting the optimal Langmuir adsorption isotherm to depict the NO3 N adsorption parameters of six materials; adding exogenous NO3 N , plotting NO3 N isothermal desorption curves for the NO3 N desorption amounts of the six materials; obtaining NO3 N desorption parameters; adding exogenous NH 4 N , plotting NH 4 N isothermal adsorption curves for the NH 4 N adsorption amounts of the six materials; selecting the optimal Langmuir adsorption isotherm to depict the NH 4 N adsorption parameters of the six materials; adding exogenous NH 4 N , plotting NH 4 N isothermal desorption curves for the NH 4 N desorption amounts of the six materials; obtaining NH 4 N desorption parameters.