Category: Science - Earth/Agricultural/Farming
There is much in the action of lime in the soil that is not known, but all that we really need to know is simple and easily comprehended. The purpose of this little book is to set down the things that we need to know in order that we may make and keep our land friendly to plan...
_Relative Values._ The relative strengths of the various materials containing lime may be known and yet doubt continue respecting the choice to be made. The conflicting claims o...
13. Chapter 13_Air-Slaked Lime._ A pure limestone is a carbonate, and the chemical formula is CaCO_3. When it is burned, the carbon dioxide (CO_2) is driven off, leaving CaO, which is calcium...
9. Chapter 9_Liberal Use of Limestone._ Land never does its best when skimped in any way. As we raise the percentage of carbonate of lime in land that naturally is deficient, we give increa...
18. Chapter 18_Lime-Loving Crops._ There are plants which are acid-resistant, giving a good return for fertilization and care when the soil is sour. There are a few kinds of cultivated plants...
2. Chapter 2_Limestone Land._ Soil analyses are serviceable only within certain limits, and in the case of the normal soils that comprise the very great part of the entire humid region of t...
10. Chapter 10_An Old Practice._ The beneficial effect of caustic lime on land is mentioned in some ancient writings. Burning and slaking afforded the only known method of reducing stone for...
4. Chapter 4_Character of Vegetation._ The character of the original forests is determined much by the lime-content, and the practical man, when buying a farm, rates its productive power by...
8. Chapter 8_Variation in Quality._ Limestones vary widely in purity. They were formed under water, and clay and sand were laid down with the lime in such quantity in some cases that the re...
3. Chapter 3_Loss of Lime._ Nature made the value of land as a producer of food utterly dependent upon the activity of lime, and at the same time gave it some power to shirk its work. In a...
12. Chapter 12_Slaking Lime._ The usual means of reducing fresh burned stone lime to a condition that makes even distribution upon land possible is by slaking. A few years ago considerable ef...
16. Chapter 16_A Controlling Principle._ The chief purpose of liming land is to provide a base with which acid may combine, so that the soil may be friendly to plant life. Lime has little pow...
17. Chapter 17_Soils Vary in Requirement._ There is always the insistent question respecting the amount of lime that should be used on a particular field. Usually _no_ definite reply can be s...
14. Chapter 14_Magnesium._ As an element of plant food, magnesium is as essential as calcium. It leaches out of the soil less readily, and there may be even less need of its application as a...
6. Chapter 6_Nature's Provision._ Soils are composed of pulverized stone and organic matter. Much of the original stone contained little lime, and the human race would become nearly helples...
7. Chapter 7_Technical Terms._ The practical man uses a great number of technical terms in his own field of labor, and often fails to recognize the fact that they are technical, and may be...
11. Chapter 11_Methods of Burning._ Limestone contains the calcium and magnesium that must be the chief source of supply of American soils, though marls, ashes, etc., have their place. The bu...
5. Chapter 5_The Litmus Paper Test._ A method of testing soils for acidity, which has been in use for many years, is the simple litmus paper method. Because of its simplicity and fair degre...
1. Chapter 1There is much in the action of lime in the soil that is not known, but all that we really need to know is simple and easily comprehended. The purpose of this little book is to s...