Fertilizing a Garden - How much fertilizer should .
Application to growing plants, or side dressing. This is especially helpful on sandy soils or when there has been a lot of rain that may have leached nutrients from the soil. Fertilizer is sprinkled along the sides of rows and watered into the soil (Fig. 5). About ½ cup of garden fertilizer for every 10 feet of row usually is enough. The amount and timing of fertilizer needed varies according ...