Figure 1
From: Nutrient quality and maturity status of frass fertilizer from nine edible insects

Total concentrations of nitrogen (a), phosphorus (b), potassium (c), calcium (d), magnesium (e) and sulphur (f) in frass fertilizer generated by different edible insects. Per panel, means (± standard error) followed by the same letters are not significantly different at p ≤ 0.05, n = 3.