The dry matter yield of Sirsa 9 lucerne was increased by P application. It also increased significantly the uptake of N. P. K and Ca while K application had no effect or some times had significant depressing effect. The ratio of N: P: K uptake was not affected by treatments and the ratio was found to be around 30:1:7. A significant) positive correlation was observed between N and P, and K and P and K uptake values.
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