According to the practices of natural conservation, a concept of minimum landscape is added to the concept of biological minimum area.
根据自然保护实践，提出最小景观，扩充了生物最小面积概念。
Your landscape designer, local farm agent and USDA soil conservation service are great sources of information on what kinds of grasses do well in your area.
您的景观设计师，当地农场代理人和美国农业部土壤保护服务是十分丰富的信息来源，什么样的牧草种做好在您的地区。
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