Show lacking humus humus la Is the one factor that Is lacking in fit practically all of our old tilled lands under the methods ot of farming generally practiced in the northwest the drain on the humus content his been steady and persistent 14 in many cases even the straw from the fields has been burned year after year such methods have greatly reduced the productiveness of the land aided sol soil blowing and the waste of rain min w waters it to Is time to be putting some humus in ili our older lands and stop wasting it in our newer lands |