Title:
土壌への潅水方法
Document Type and Number:
Japanese Patent JP5286205
Kind Code:
B2
Abstract:
In a apparatus for irrigating soil for cultivating plants, a water supply pipe is buried in soil, plural porous pipes being connected to in a conduit while disposed at proper positions of the conduit in the water supply pipe, fine pores being provided in a wall surface of the porous pipe, the fine pores being not provided in a wall surface of the conduit that is able to pass water; both ends of the water supply pipe are connected to a water tank at positions lower than the porous pipe; a water surface of the water tank is usually maintained at a level horizontally equal to or lower than the porous pipe; the water supply pipe is saturated with water from the water tank; water is intermittently supplied to the water tank; and a position of the water surface in the water tank is set slightly higher than positions of the porous pipes buried in the soil, and a water partial pressure of the water tank is set to a slightly positive pressure.
Inventors:
Nobuhiko Furukawa
Application Number:
JP2009205811A
Publication Date:
September 11, 2013
Filing Date:
September 07, 2009
Export Citation:
Assignee:
G&F Corporation
International Classes:
A01G25/06; A01G27/00
Domestic Patent References:
| JP4173228B2 | ||||
| JP9009802A | ||||
| JP2000106770A | ||||
| JP8023800A | ||||
| JP2007222149A | ||||
| JP5015267A |
Attorney, Agent or Firm:
Tomijio Sasashima
Shigemitsu Sasaki
Moriaki Ogawa
Kunio Araki
Shigemitsu Sasaki
Moriaki Ogawa
Kunio Araki