Soil Types and Varieties, Genesis of Soil

The soil has mainly been the beginning of rock and falling animal and plant, if you can imagine long bouts rights or periods where large masses of rock were s'émiettantes and breaking up. The heat, the action of water, and friction were largely responsible for this. By friction here is meant that the rubbing and grinding of the mass of rock against rock Massachusetts believe the huge rocks, a perfect chaos of them, bumping, scratch, arranging against one another. What would be the result? Well, I'm sure you all can work it out. That is what happened: the little rock was carried away, much heat was produced, pieces of rock has been pressed together to form the new masses of rock, some parts become dissolved in water. Why, I, meaning myself almost all the effort and the constraint of it. Can you?

So, too, there were major changes in temperature. First everything has been heated to a high temperature and then gradually became costs. Just remember to cracking, crumbing, the upheavals that such changes must have caused! You know some of the effects winter freezing and sudden thaw. But the small examples of burst water pipes and broken pitchers are as nothing to what was happening in the world during those days. The water and gases in the atmosphere helped along this work crumbing.

From all this action of rubbing, that the action that we call mechanical, it is quite easy to understand how the sand was formed. This represents a major divisions of the sandy soil of soil. The sea shores are large masses of pure sand. If the soil were nothing but broken rock masses then indeed it would be very poor and unproductive. But the earliest forms of decomposition of animal and plant life have become a part of the mass of rock and soil had a better result. Thus soils that we are talking about because arénacés soil mixed with sand another subject, sometimes clay, material or humus some plant and animal waste often.

Clay brings us rights to another class of clay soil. It happens that some parts of the masses of rock have become dissolved when the water has passed drip over them and the heat was plentiful and abundant. This dissolution has occurred largely because there are in heaven some gas called gas carbon dioxide or carbon dioxide. Substances of attacks and changes of this gas in some rocks. Sometimes you see large rocks with parts sticking up look as if they had been eroded. The carbonic acid did this. He changed this part eaten into something else that we call clay. A change like this is not mechanical but chemical. The difference in the two types of change is just this: in one case of sand, where a mechanical change has continued, you always just by what you started, except that the size of the mass is smaller. You started by a large rock, and finished with small particles of sand. But you have been no different kind of rock at the end. The mechanical action could be illustrated with a piece of sugar piece. Let sugar represent a large mass of rock. Break up the sugar, and even the smallest little is sugar. It is just as well with the mass of rock, but in the case of a chemical change you start with one thing and finish with another. You started by a large mass of rock that took part in it which has become changed by acid acting on it. She finished being an entirely different thing that we call clay. Thus in the case of a certain chemical change something is started and the end we have something entirely different. The soil clay soils often called mud because of the quantity of water used in their training.

The third kind of ground that we cultivate people must deal with is soil with lime. Remember that we believe the soil from a farm. This soil naturally habit was formed by the limestone. Rather while mentions something which we know nothing, another rises which we are just as ignorant. And so an entire chain of questions follows. Now you among yourselves, how limestone first show they probably been formed?

At the same time there are forms below age animal and plant selected particles of water from the lime. With lime they formed skeletons or houses about themselves as protection against larger animals. The coral is representative of this class of animal skeleton-training.

While the animal died the skeleton remained. The broad masses of this living matter have pressed together after ages, limestone formed. Some limestone are always in such a form that training shellfish is still evident. Marbrez, another limestone, are somewhat the crystalline character. Another limestone chalk is well known. Maybe you 'd like to know a way always been able to tell the limestone. Drop by this acid on some lime. See how it bubbles and sparkles. By then drop on the chalk and marble, too. The same bubbles that takes place. Thus, the lime must be in these three structures. It should not buy a special acid for this work, because even the household acids like vinegar cause the same result.

So what are the three types of soil where the farmer must be addressed and which we want to understand. For one can learn about its soil in the garden student, just as we learn a lesson by study.

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