| 摘要 |
<p>The substance results from the combination of an old cooled manure of which the fermentation is terminated, seeded with fresh animal dejections, particularly from sheep. This mixture is slightly wetted and held in an air-tight chamber, for example in thick plastic envelope, perfectly sealed, and at a mean temperature. Said substance, which is like a compost, is of a dark color without any particular smell, slightly pasty, releasing a blackish juice when it is sprinkled with water, after having deposited said substance on the soil at the foot of the vegetable to be treated.</p> |
