![](http://assets.echocommunity.org/book/4ccfefe7-b97d-4ab5-b9b6-0b156e8febd0/soils-men-the-classic-1938-usda-yearbook-of-agriculture_thumbnail.jpg?w=400)
This publication includes chapters on loss of soil organic matter and its restoration, crop rotation, strip cropping and the use of cover and green-manure crops.
รายละเอียดสิ่งพิมพ์
- ผู้ตีพิมพ์: New Farm
- Dewey Decimal: 631.4
- ห้องสมุด ECHO: 631.4 ALB