Studies on the Nutritional Requirements of Hyoscyyamus Muticus L

The present investigation represents an attempt to study the requirements for the main nutrient elements, nitrogen, phosphorus and potassium. also, the percent investigation contained a study of the abaasence for the microelements zinc, cupper.boron iron, manganese molybdenum,and addition of magnesium as apray. The aim of this work was study the moro euitable nutrition conditions for the largest production of the herb yield and of active imgrediants of the drug.