| 摘要 |
PURPOSE:To provide subject non-injurious soil-improving agent not polluting the natural environment by adding agricultural chemical-resistant Trichoderma bacteria to a base material such as an organic or inorganic fertilizer heightening the activity of lawn grass. CONSTITUTION:A soil-improving agent comprises 100 pts.wt. of a base material and 0.1-0.5 pt.wt. of agricultural chemical-resistant Trichoderma bacteria. The base material includes an organic fertilizer, inorganic fertilizer, other materials and a combination thereof which heighten the activity of lawn grass. The organic fertilizer or inorganic fertilizer is preferably a combination of a nitrogen fertilizer, a phosphate salt fertilizer and a potassium fertilizer, and the nitrogen fertilizer is preferably a mixture of 6 pts. of CDU, 5 pts. of dried blood and 4 pts. of urea become of improving the growth of the lawn grass. The agricultural chemical-resistant Trichoderma bacteria exhibit high antagonism against Rhizoctonia bacteria, the main disease bacteria of the lawn glass, and are not extirpated even when excessive amounts of agricultural chemicals are sprayed in golf links, etc. The soil-improving agent serves the saving of the fertilizers and the saving of work. |
