Study the effect of two organic fertilizers, methods of fertilization on productivity, pests and predatory insects associated with eggplant under modified climatic condition

This study investigated the effects of two organic fertilizer (compost tea and humic acid) compared to chemical on plant growth, productivity, pests predatory insects associated with eggplant Solanum melongena var. Black beauty under net house in 1st April at 2019 2020 seasons. Application fertilizers through fertigation enhanced significantly number leaves, stem fresh weight, average fruit weight total yield. Moreover, diameter, nitrogen content leaves (%), phosphorus potassium fruits yield were due using compost tea. However, acid cause a significant enhancement shoots, diameter weight. In addition, application superiority fruits, The highest values dry mainly foliar application. Three main pest species seven different predators' recorded eggplant. increased populations control. But also, increase population.