The sets increase in size and each forms one full-sized bulb when ready ... reduce soil moisture. Onions and garlic both like fertile soil, but neither require much nitrogen and so shouldn't ...

Tony wanted to know how to grow big bulb onions. Growing big bulbs starts ... This should be followed by a biweekly application of nitrogen fertilizer to keep the foliage growing.

While bulb onions can be grown from seeds or sets ... For fertilizing onions, an application of a high-nitrogen fertilizer about three weeks after planting can promote the growth of strong ...