Dec 14, 2022 · Agriculture 2022, 12, 2156 4 of 17 2.2.2. Experiment Design In a previous experiment, the optimal proportion of rabbit manure compound growing media was determined as the rabbit manure compost:vermiculite:perlite:peat = 40:25:25:10 (v/v/v/v), according to the physiochemical properties of the growing media and plant growth performance [14].