开发利用自然界生物钾是目前解决钾肥不足、促进农业生产后劲的最好途径。1、据有关部门测定,油菜根、落叶、落花含有较高的氮、磷、钾。尤其是果壳中含有钾量高达2.15%;结合施肥开沟 Development and utilization of biological potassium is the best way to solve the shortage of potash and promote the stamina of agricultural production. 1, according to the determination of relevant departments, rape roots, deciduous, falling flowers contain high nitrogen, phosphorus and potassium. In particular, the amount of potassium contained in the shell is as high as 2.15%; combined with fertilizer ditching