11 Sep Maintenance of soil fertility and role of organic matter.
मिट्टी की उर्वरता का संरक्षण और जैविक पदार्थों की भूमिका Maintenance of soil fertility is a great problem to our farmers. Cultivation of particular crop year after year in the same field decreases the soil fertility. To increase the soil fertility, it is necessary to check the loss of nutrient and to increase the nutrient content of soil. The following things must be properly followed for increasing the fertility of soil. Proper use of land improve soil fertility Good yield of crop is not possible if we cultivate any crop in any land. So it is necessary to select the crop which is suitable for a particular land. Practical experience will be helpful in this regard. The crop should be cultivated on the basis of the nature soil. As for example, cultivation of paddy is best suited in low land clay soil. Good tillage increase soil fertility Good tillage is necessary to bring the soil in suitable condition for the production of crops. Tillage makes the soil loose and friable. Weeds and stubbles of previous crops ploughed under by tillage are turned into organic matter. As a result, the physical, chemical and biological change of soil takes place which is necessary for the maintenance of soil fertility. Crop rotation improves soil fertility If we cultivate the particular...