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2001～2004年在内蒙古正蓝旗育草站进行了4年良繁播种期试验。从2001年7月至2002年8月每隔半月播种一次,观测不同时期播种对农牧老芒麦当年种子萌发出苗、幼苗生长及对每年种子产量和品质的影响,以期探索最佳播种期。一个完整年度播种期的试验结果表明,3月底至10月底为可播种期;农牧老芒麦的3个适播期为早春(土壤解冻至4月中)、夏秋(6月底至8月底)和冬初(10月底至土壤冻结)。在灌溉条件下,早春4月中旬前播种,当年可以正常结实;夏秋雨季播种,易于抓苗保苗,翌年返青生长良好,种子产量高;冬初为最佳播种期,既有利于翌年早春种子萌发和幼苗生长、正常结实,又可合理调配播种机具和人力,特别是可以避开当地春季风沙,保证播种安全。
In 2001 ~ 2004 Zhenglan Banner Yurong Station in Inner Mongolia conducted a 4-year trial of high-frequency sowing and sowing. From July 2001 to August 2002 every half a month sowing to observe the different periods of sowing the age of the old man of wheat seed germination, seedling growth and annual seed yield and quality, in order to explore the best sowing time. The test results of a complete annual sowing date indicated that the sowing date was from the end of March to the end of October; the three sowing dates of Agropyron sibiricus were early spring (soil was thawed to mid April), summer and fall (end of June to the end of August) And early winter (end of October to soil freezing). In the irrigation condition, sowing in early spring before mid-April, then can be normal and strong; sowing in summer and autumn rainy season, easy to seedlings saplings, the next year rejuvenation good growth, high seed yield; early winter is the best sowing date, And seedling growth, normal and strong, but also a reasonable deployment of sowing equipment and manpower, in particular, can avoid the local spring sand, to ensure sowing security.