【摘要】 研究结果表明：旱地糜子对氮、磷、钾的吸收生长前期速度缓慢，吸肥量较少，生长中期速度逐渐加快并达高峰，吸肥量最多，其中氮与钾的吸收高峰在拔节至抽穗期，磷的吸收高峰在抽穗至灌浆期，生长后期速度逐渐减弱，吸肥量明显减少。吸肥量以氮最多、钾次之、磷最少，对氮、磷、钾的吸肥比例为１∶０．２９∶０．５６。吸肥量与生育日数呈明显的指数相关（ｒ≥０．９５４）。更多还原

【Abstract】 The experiment results indicated that at different growing stages, the nitrogen, phosphorus and K uptakes of Panicum Miliaceum L. varied. The peaks of N and K absorption were found from jointing to heading periods, while the phosphorus’ from heading to filling periods. On the other hand, the total N absorbed was the highest and K and P followed, and the significant correlation was found between absorption capacity of fertilizer and growing time (r≥0.954).更多还原