A fu kozotti moha a fold savanyusagat indikalja nalunk...

Kis vizben fold, varni vele es bele a papir csik - es tudni fogod.

Aztan vannak ma moha elleni szerek is.

Itt a tobbi lehetseges oka:

"Mosses, like most lawn weeds, primarily take advantage of bare areas but do not kill out existing grass as some people believe. Bare areas in lawn can be result from several causes. Unsuitable grass varieties, poor drainage, drought, soil compaction, excessive shade, thatch accumulation, poor fertility, diseases, improper mowing and other cultural practices are common reasons for turf failure leading to moss or other weed problems. Improving these factors to encourage thick, healthy grass is the key to long term prevention."

Fu nelkuli reszen, nem megfelelo fu fajta, rossz vizlevezetes, szarazsag, tomor talaj, tul sok arnyek, filcesedes, rossz tapanyagellatas, betegseg, rossz vagasi szokas (nem irja, mi)...