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                                                                                                                                                                                                                      乾景教您高羊茅草坪養護重點及病蟲防治

                                                                                                                                                                                                                      文章來源??%=rsd("com")%>           添加時間??%=rsd("Ntime")%>

                                                                                                                                                                                                                      一、修剪

                                                                                                                                                                                                                       
                                                                                                                                                                                                                          1、目的是防除雜草、延長綠期、滿足景觀需要; 2、修剪次數:根據草坪生長勢,20-30次/年; 3、修剪注意事項: (1)嚴禁雨天或有露水時修剪; (2)草坪修剪后一定使用集草袋,避免病害傳播; (3)修剪工具的刀口經常保持鋒利,不允許草有撕裂現象; (4)修剪后一定噴灑殺菌劑(保護劑),一般用常規殺菌劑即可。 
                                                                                                                                                                                                                       
                                                                                                                                                                                                                          二、防病蟲害高羊茅上主要有
                                                                                                                                                                                                                          1、病害:褐斑病、腐霉病、枯萎病、紋枯病等。6-8月主要發生腐霉??; 2、蟲害:斜紋夜蛾、禾灰翅夜蛾、草地螟、蠐螬等。夜蛾類害蟲具有暴食性、毀滅性,并且齡狀為害不整齊。6-8月殺蟲劑、殺菌劑可交替使用,也可同時使用。物理防治辦法:采用黑光燈效果較佳,且省經費。 
                                                                                                                                                                                                                       
                                                                                                                                                                                                                          三、澆水高羊茅為深根、直立型品種
                                                                                                                                                                                                                       
                                                                                                                                                                                                                          根深可達1.7米,土層淺的草坪往往會出現黃色。每隔3-5天澆水一次,每次澆水一定要澆透,土壤應保持5-10cm的濕潤。澆水宜清晨或上午,嚴禁下午和傍晚澆水,以避免病害的發生。如傍晚有雷暴雨,第二天應噴殺菌劑。 
                                                                                                                                                                                                                       
                                                                                                                                                                                                                          四、施肥施肥量每年約每1000平方米7.5公斤,高羊茅草喜磷、鉀肥,少施氮肥。施肥應放在冬季,夏季嚴禁使用氮肥。
                                                                                                                                                                                                                       
                                                                                                                                                                                                                          高羊茅是一種冷季型草坪,養護的關鍵期是6月下旬-8月下旬的二個月,其它時間,特別是冬天均為常規管護。 
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