Although clay soil is rich in nutrients, they are not good for most agricultural crop production because they do not release their nutrients are too compact and poorly aerated contain too much iron, aluminum, and boron lose their nutrient too readily after rain

 

The following are characteristics of quartz except


 

Financial assistance from the government to the farmers is usually in the following forms except
 

The replacement of traditional farming methods with modern methods is a step in agricultural



 

In the nitrogen cycle , nitrite is oxidized to nitrate by