76. One of the following is not the cause for grazing lands are degraded and unproductive? A. Expansion of crop land B. Due to mainly overstocking of animals in grazing land C. That is due to controlled grazing D. Poor management and utilization of grazing land

The correct answer is C. That is due to controlled grazing.<br /><br />Controlled grazing is a management practice that involves regulating the number of animals in a grazing area and ensuring that grazing is done in a sustainable manner. This practice is designed to prevent overgrazing and promote the health of the grazing land. Therefore, controlled grazing is not a cause of degradation and unproductivity in grazing lands.