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Method for growing hydroponic grass from cereal grain seeds.
专利权人:
TOMBRA, S.A.
发明人:
BRADY, JOHN RICHARD
申请号:
EP19790301532
公开号:
EP0010836(A1)
申请日:
1979.07.31
申请国别(地区):
欧洲专利局
年份:
1980
代理人:
摘要:
This invention relates to hydroponic grass growth. Hydroponic grass is grown by forming a seed-bed, forming a supply of hydroponic nutrient solution including water and water-soluble phosphate plant nutrient, periodically withdrawing from the nutrient supply a quantity of solution in excess of that required to saturate the seed-bed and applying this excess quantity to the seed-bed, and draining the excess nutrient. The water used to form the hydroponic nutrient solution is pre-treated to separate impurity metal ions which form water-insoluble metal phosphates. The water-soluble phosphate plant nutrient is then dissolved in the pre-treated water to form the nutrient solution without the precipitation of impurity metal phosphates. Apparatus for growing the grass is also disclosed.
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