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试验应用二次回归正文旋转组合设计方法，通过建立数学模型，定量分析研究了氮磷及播量三因素时旱地胡麻产量的效应，计算出旱地胡麻在不同气候年份的丰产优化栽培方案。即旱地胡麻的最佳施肥时和播量为：平水年──Ｎ肥为９６．４ｋｇ／ｈｍ￣２，Ｐ＿２Ｏ＿５为９２．７ｋｇ／ｈｍ￣２，播量为５５．２ｋｇ／ｈｍ￣２，此时获得的胡麻产量为１９２１．３ｋｇ／ｈｍ￣２；旱年──Ｎ肥为１０１．２ｋｇ／ｈｍ￣２，Ｐ＿２Ｏ＿５为１０２．６ｋｇ／ｈｍ￣２，播量为５６．４ｋｇ／ｈｍ￣２，此时获得的胡麻产量为１５６８．２ｋｇ／ｈｍ￣２，此方案将为旱地胡麻生产持续稳定发展提供科学依据。
In the experiment, the method of quadratic regression body rotating combination design was used to study the effects of nitrogen and phosphorus and the three factors of sowing on dryland flax yield through mathematical model, and the optimal cultivation plan of dryland flax in different climate years was calculated. That is best when dry land flax fertilization and sowing: flat water years ─ ─ N fertilizer 96.4kg / hm ~ 2, P_2O_5 92.7kg / hm ~ 2, sowing rate of 55.2kg / hm ~ 2, this When the yield of flax was 1921.3kg / hm ~ 2; dry years ─ ─ N fertilizer was 101.2kg / hm ~ 2, P_2O_5 102.6kg / hm ~ 2, sowing rate of 56.4kg / hm ~ The yield of flax obtained at this time is 1568.2kg / hm ~ 2, which will provide a scientific basis for the sustainable and stable development of flax flax.