Insect has many benefits mentioned in this post How Does Insect Frass Benefit Your Soil and Your Crops. Below is the recommend application rate of insect frass.
ROW CROPS / RAISED BEDS – Add 1lb per 20 sq. ft. Work frass into the soil
TRANSPLANTING – Add a small amount of Frass to your transplant to root development.
HYDRO – Add 2 Cups per 30 Gallons water
SOIL / COCO – Pre-Mix 1 Cup per Cubic Foot of loose soil/coco prior to planting (less than 1% by volume)
ROOT DRENCH / TOP DRESS – Add ½ Cup Frass per Gallon water and Root Drench, or Sprinkle around plant and water in thoroughly.
FOLIAR SPRAY – Add 1 TBSP per Gallon water, shake and let frass settle for 30 minutes, then apply.
COMPOST TEA – Add 1 Cup Frass per 15 Gallons of Tea to achieve Fungal Dominance.
KILL FUNGUS GNATS – Add ½ Cup per Gallon water, shake and let frass settle for 30 minutes, then Root Drench
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