Method for pointed prop type high effectively preserving moisture and nutrient for woodland |
Title： |
| Method for pointed prop type high effectively preserving moisture and nutrient for woodland |
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Application Number： |
200310115185 |
Application Date： |
2003/11/26 |
Announcement Date： |
2004/11/10 |
Pub. Date： |
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Publication Number： |
1543759 |
Announcement Number： |
1209003 |
Grant Date： |
2005-7-6 |
Granted Pub. Date： |
2005-7-6 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
A01B 79/02 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Liu Zhaomin, Zha Jianzhong, Liao Huiming |
Key Words： |
pointed prop type, preserve, moisture, nutrient, woodland |
Abstract： |
The invention relates to a dot-column mode method for highly effective storage of moisture and nutrient for forest land comprising, selecting one or more position dots in spaced distribution for water and fertilizer leading-in columns on the ground corresponding the tree crowns, breaking soil from the surface of the dos downward, carrying out deep loosing tillage for the soil of this position, taking out part of the soil from the tillage range so as to form the water and fertilizer leading-in column. |
Claim： |
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Priority： |
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PCT： |
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 Relevancy information |
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| Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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