…An experimental flowerpot invented by the German agricultural chemist Paul Wagner (1843-1930). It is a cylindrical container made of white porcelain, and there are two types designed so that the soil surface area when filled with soil is 1/2000a (inner diameter about 25 cm) and 1/5000a (inner diameter about 16 cm). The 1/2000a type has two holes on the side of the bottom, one of which is used to adjust the drainage by opening and closing a plug, and the other is used as a water supply hole to adjust the water level by attaching a glass tube, etc. … *Some of the terminology that mentions "Wagner, P." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ドイツの農芸化学者ワーグナーPaul Wagner(1843‐1930)の創案になる実験用の植木鉢。白色磁製の円筒容器で,土壌を充てんした場合の土壌表面積が1/2000a(内径約25cm)および1/5000a(内径約16cm)になるように設計された2種類のものがある。1/2000aのものは底部側方に二つの孔があり,一方は栓の開閉により排水を調節し,他方はガラス管を装着するなどして,水位を調節する給水孔として利用する。… ※「Wagner,P.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
...In particular, in the case of edible oils and ...
There are several newspapers with the same name. ...
… On May 29, 1453, after more than 40 days of fie...
This is a ceremony in which criminals who commit c...
A general term for the genus Nerine, part of the ...
A marine fish of the family Ophiopogonidae in the ...
...There are many species in the genus S. cinerar...
… [Munemin Yanagi]. … *Some of the terminology th...
...A general term for arthropods belonging to the...
〘 noun 〙 A long, thin piece of wood that is attach...
Characters that use pictures or figures as symbol...
…Licorice is distributed from Siberia to northern...
...Militarianism, or the opposition to standing a...
Educator. Born in Aomori Prefecture on September ...
...It does not produce fruit easily, but when cro...