Acid-proof, moisture-holding and superactive special fertilizer technology for forestry and additive
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
- Publication Date
- 2014-11-05
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The present invention relates to a kind of special fertilizer technology and auxiliary agent suitable for acidic soil, water retention and powerful forestry, especially relates to a special chemical fertilizer and auxiliary agent for acid resistance and water retention forestry. Background technique
[0002] The results of the seventh national forest resources inventory (2004-2008) show that the national forest area is 195.4522 million hectares, the total stock of living trees is 14.913 billion cubic meters, the forest stock is 13.721 billion cubic meters, and the forest coverage rate is 20.36%, compared with 8.6 in 1949. % net increase of 11.76 percentage points. my country's forest area ranks fifth in the world after Russia, Brazil, Canada, and the United States; its forest stock ranks sixth in the world after Brazil, Russia, the United States, Canada, and the Democratic Republic of the Congo. my country's planted forest area is 61.6884 million hect...