if you have the urge to fertilize often, use fish emulsion, it won't stress the plants. dilute to a quarter strength and use weekly on containers GW guy got this from 80 year old man who grew many potted plants
Organic Fish Fertilizer. This 100% organic and natural fish fertilizer will provide you with long-term improvements in plant growth and soil health. Brown's Fish Fertilizer is an outstanding stand-alone fertilizer and an excellent fungal food source for use in compost teas. - Garden Tea Co. 10.00$ quart www.gardenteacompany.com
Video of nine-time Guiness World Record holder growing ENORMOUS vegetables. Use with children's books such as the "Gigantic Carrot", "The Enormous Turnip" and others.... Video, "The Secret is in the Soil."