新型果园绿肥─黑麦草黑麦草是我所从新西兰引进的优良绿肥，经过５年的试栽观察，该草能在烟台地区安全过冬，属于多年生宿根草本植物，是果园的理想草种。目前，世界上水果生产发达的国家，几乎所有的果园部采用生草（种草）。黑麦草属于世界上生草优良品种之一。果园栽... New orchard green manure - ryegrass Ryegrass is an excellent green manure that I introduced from New Zealand. After five years of trial planting, the grass can survive winter in Yantai region and belongs to the perennial perennial herb, which is the ideal grasses for the orchard. At present, almost all the orchards in the developed countries in the world use raw grass (grass). Lolium belongs to one of the fine varieties of raw grass in the world. Orchard planting ...