What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
adjustment air spaces capillary center of draft CHAPTER chilled plows clay loam clay soils clevis clevis pin cloddy combined rolling coulter compact condition corn coulter and jointer crop CRUCIBLE steel cultivated cutworm deep plowing depth desires to plow disk plow draft line earth edge fall plowing farmer fertility field furrow slice furrow wall green manure grow hard heat Hessian fly hitch humus illustration inches insect landside line of draft loamy sand manure mouldboard plow mulch naturally necessary nitrates oats Observe operator plant food elements plaster of Paris plow bottom plowed ground proper properly reason roots sandy loam sandy soils scour seed bed shape shows soft center steel soil particles soil texture spring plowing steel plow straight stubble surface temperature tractor trash trend of moisture tube turned type of plow type of soil unplowed upward trend walking plow weeds winter's freezing
Page 6 - And some fell upon a rock; and as soon as it was sprung up, it withered away, because it lacked moisture. 7 And some fell among thorns; and the thorns sprang up with it, and choked it.
Page 5 - Industry pays debts, but despair increaseth them,' says poor Richard. What though you have found no treasure, nor has any rich relation left you a legacy? ' Diligence is the mother of good luck,' as poor Richard says ; and, ' God gives all things to industry ; then plough deep while sluggards sleep, and you will have corn to sell and to keep,
Page 13 - ... the ability to supply the loss through a more efficient root system. One of the harmful effects of weeds is the taking from the soil of the water which economic plants need. According to careful estimates a sunflower (Helianthus annuus) six feet high transpires on the average about 1 quart per day.
Page 187 - When a walking plow is properly adjusted it can be operated without the operator holding to the handles. The test of a man's ability to adjust a walking plow and sharpen the share is to make that plow operate correctly without holding the handles.
Page 16 - that which adheres to the surfaces ff soil grains and to the roots of plants in films thick enough to allow surface tension to move it from place to place.
Page 97 - THE bottom is the business end of the plow. Upon its performance depends the quality of the seed bed the farmer can prepare. Since the quality of the seed bed...
Page 97 - Plow designers have been obliged to make bottoms that will approach the best work in all conditions under which farmers plow. This accounts for the vast number of different designs of plow bottoms. If farmers could be educated to the point where they would plow the ground when it is in the right condition to be plowed, a great man}' of the perplexities and trials of the plow bottom designer would pass away.
Page 26 - If the sub-soil is of such a nature that it will not take the water down readily, the top soil can't do much.
Page 206 - RETURN TO DESK FROM WHICH BORROWED LOAN DEPT. LOAN DEPT. This book is due on the last date stamped below, or on the date to which renewed. Renewed books are subject to immediate recall.