发明名称 Method and hot frame (bell jar) for protecting plantlets and accelerating their growth
摘要 The present invention relates to a method and hot frame 1, for protecting plantlets, especially of tree species, against the action of animals and the wind and in order to accelerate and orientate their development, guaranteeing a success rate of practically 100% on large- scale plantations, characterized in that the hot frame 1 comprises an elongate structure, which is open at the top and underneath, to be installed vertically around each plant to be protected 7. On its vertical lateral surface, the hot frame may have openings 3 made in order to allow ventilation of the inside thereof. For fixing of the hot frame around the plantlet, the hot frame 1 is equipped with at least two horizontal tongues 4 each of which passes via a horizontal slot open in its lateral surface and has a protected opening 5 in order to allow the passage of an auxiliary stake 6 and/or at least two openings for the passage of a string, for example made from raffia, which provides secure the fixing to the stake. Each hot frame 1 is optionally supplemented by a disc 2 of suitable dimensions for preventing the development of invasive weeds next to the protected plant.
申请公布号 PT91443(A) 申请公布日期 1991.04.18
申请号 PT19890091443 申请日期 1989.08.11
申请人 NORFIN, ASSESSORES FINANCEIROS LDA. 发明人
分类号 A01G13/00;(IPC1-7):A01G13/00 主分类号 A01G13/00
代理机构 代理人
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