SOIL IMPROVING MATERIAL AND CULTURE SOIL CONTAINING SAME

To solve problems of perlite, zeolite and vermiculite which have been conventionally used as soil improving materials, and to provide a soil improving material which has excellent water retaining properties and is well-drained to retain air in a soil to thus make a soil suitable for plant growth, an...

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Bibliographische Detailangaben
Hauptverfasser:	TOGASHI, KOHSUKE, KANEDA, AKIHISA, OKUYA, TERUHIRO, OHTA, TAKESHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AGRICULTURE ANIMAL HUSBANDRY CHEMISTRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED DYES FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING MANUFACTURE THEREOF MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS 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 NATURAL RESINS PAINTS POLISHES TRAPPING WATERING
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Beschreibung
Zusammenfassung:	To solve problems of perlite, zeolite and vermiculite which have been conventionally used as soil improving materials, and to provide a soil improving material which has excellent water retaining properties and is well-drained to retain air in a soil to thus make a soil suitable for plant growth, and a culture soil containing the soil improving material. The soil improving material of the invention includes porous ceramic particles having a moisture content of 5 vol% or greater at a pF value of not more than 2.7. The particles preferably have a water retaining ratio of 15% or greater. The particles preferably have a saturated hydraulic conductivity of 0.1 cm/s or greater.