=305.88+28.85X_1-50.32X_1X_3+43.21X_3~2Under the optimum conditions the highest root tuber yield is 540.06 Kg/667m~2. The values of density,phosphate fertilizer,potash fertilizer,potash are 3157.5 plant s/667m~2,11.63Kg/667m~2, 3.34 Kg/667m~2 respectively.
主要结果如下:1密度,磷肥、钾肥施肥量对何首乌块根产量及其产量构成的影响何首乌块根产量与各因素间的数学模型表达式:Y=305.88+28.85X_1-50.32X_1X_3+43.21X_3~2块根产量最高时的密度,磷肥、钾肥施肥量的具体值分别为3157.5株/667m~2,11.63kg/667m~2,3.34 kg/667m~2,该条件下得到的块根最高产量为540.06 kg/667m~2。
参考来源 - 磷肥、钾肥施肥量和种植密度对何首乌产量影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
All these contribute to increase the root tuber yield significantly.
极显著地提高了块根的产量。
The quantity of branches and toots are not easily modified coordinately with the quantity of root tubers, the quantity of multi-tuber root and the yield per plant.
分支数、根数与单株块根数、多块根根数、单株鲜产量是不易协同改良的性状。
On the condition of dryland, bleeding SAP of different potato strains was determined to reflect the absorption vitality of root system, and the biological yield and tuber yield were also measured.
在旱地田间条件下，通过测定不同品系马铃薯伤流液的多少以反映根系吸收活力的大小，同时测定相应的生物产量和块茎产量。
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