Plant husbandry – Water culture – apparatus or method – Nutrient recirculation system
Patent
1997-10-20
1999-07-13
Carone, Michael J.
Plant husbandry
Water culture, apparatus or method
Nutrient recirculation system
47 59, 47 58, 47 485, A01G 3100, A01G 2900, A01B 7900
Patent
active
059210249
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a method of nursery tree hydroponics and a fertilizer for nursery tree hydroponics, and more particularly to a method of nursery tree hydroponics and a fertilizer for nursery tree hydroponics for use in forestation.
BACKGROUND ART
Hydroponics is a technique for growing vegetables and the like using a culture solution rather than using soil. It is widely used in the production of salad greens, trefoil, and other green vegetables, as well as of melons, tomatoes, and other fruits and vegetables.
As disclosed in Japanese TOKKYO-KOKAI-KOHO (18-month Publication of Unexamined Patent Application) Heisei 3(1992)-151814, forestation techniques which employ seedlings grown using liquid fertilizers have also been developed.
Culture media, culture solutions, and other conditions are being studied with regard to various types of plants targeted for hydroponic culture.
However, it cannot be said that there has been adequate research conducted with regard to conditions especially adapted for hydroponic cultivation of nursery trees for use in forestation with cryptomeria (sugi), cypress (hinoki), and the like.
Accordingly, it is an object of the present invention to provide a method of nursery tree hydroponics and a fertilizer for nursery tree hydroponics which are especially adapted for growing seedlings for use in forestation with cryptomeria, cypress, and the like.
SUMMARY OF THE INVENTION
The means employed in the present invention for achieving this object are as follows.
Firstly, a method of nursery tree hydroponics comprising the steps of: filling a raising seedling pot which is provided with passing parts on the side face and the bottom and capable of undergoing fracture with a culture medium comprising a mixture of smoked charcoal or rice hulls with a water holding material; immersing the raising seedling pot in a culture solution containing 1,000 to 1,800 ppm of a nitrogen component, 600 to 1,000 ppm of a phosphoric acid component, 1,500 to 3,500 ppm of a potassium component, 300 to 500 ppm of a magnesia component, and 900 to 1,400 ppm of a lime component; and raising the nursery tree using this culture solution.
Secondly, a method of nursery tree hydroponics comprising the steps of: filling a raising seedling pot which is provided with passing parts on the side face and the bottom and capable of undergoing fracture with a culture medium comprising a mixture of smoked charcoal or rice hulls with a water holding material; immersing the raising seedling pot in a culture solution containing 1,000 to 1,800 ppm of a nitrogen component, 600 to 1,000 ppm of a phosphoric acid component, 1,500 to 3,500 ppm of a potassium component, 300 to 500 ppm of a magnesia component, 9 to 11 ppm of a manganese component, 9 to 11 ppm of a boron component, 28 to 32 ppm of a iron component, 4 to 6 ppm of a copper component, 4 to 6 ppm of a zinc component, 4 to 6 ppm of a molybdenum component, and 900 to 1,400 ppm of a lime component; And raising the nursery tree using this culture solution.
Thirdly, a fertilizer for nursery tree hydroponics, containing 1,000 to 1,800 ppm of a nitrogen component, 600 to 1,000 ppm of a phosphoric acid component, 1,500 to 3,500 ppm of a potassium component, 300 to 500 ppm of a magnesia component, and 900 to 1,400 ppm of a lime component.
Fourthly, a fertilizer for nursery tree hydroponics, containing 1,000 to 1,800 ppm of a nitrogen component, 600 to 1,000 ppm of a phosphoric acid component, 1,500 to 3,500 ppm of a potassium component, 300 to 500 ppm of a magnesia component, 9 to 11 ppm of a manganese component, 9 to 11 ppm of a boron component, 28 to 32 ppm of a iron component, 4 to 6 ppm of a copper component, 4 to 6 ppm of a zinc component, 4 to 6 ppm of a molybdenum component, and 900 to 1,400 ppm of a lime component.
Fifthly, a method of nursery tree hydroponics comprising the steps of filling a raising seedling pot which is provided with passing parts on the side face and the bottom and capable of undergoing fracture with a culture medium compri
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Carone Michael J.
French III Fredrick T.
Yugengaisya Syoryokuringyokenkyusyo
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