Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
Use the small grain box (seed is. similar in size to alfalfa) on a conventional or no-till drill. Typical seeding rates for a pure stand of oilseed radish are. 6-10 lb/acre of pure live seed (PLS) (Weil et al., 2006).