The soil pH of cropland is 5. What kind of fertilizers should be used on that land?
Organic fertilizer like compost can be used to maintain the pH of soil at 6.5, that is ideal for soil and to moderate the acidity.
After a harvest, certain types of plants are preferably grown on the land to replenish the soil of depleted nutrients. This helps in reducing the dependence on artificial nitrogenous fertilizers.
Which of the following plants should be grown?