Show DRAINAGE INCREASES YIELDS lands uncertain in production aris an made productive and aids in I 1 tillage of crops drainage usually increases the th yields and profits of crops it makes lands that are talu in production produce crops every year it brings into cultivation lands land s otherwise berwise worthless and improves the physical condition of soil by making mak in 1 it more granular porous and f friable drainage warms the soil and by bj warming it causes the seed to germinate more readily producing a bettel bertei stand and a prompter growth drainage aids in the preparation ol of land find and the til lilge of crops permitting ting earlier plowing or cultivation after a rain it improves health conditions by b removing the lie sources of malaria |