This scientific article provides a comprehensive analysis of the biometric indicators of growth and development for the Euodia and Melia tree species. The study investigates the optimal field capacity limit for these species, which is determined to be 70–80% moisture content. This limit is assessed under the conditions of irrigated typical sierozem soils of the Tashkent region. The analysis also encompasses the positive effects observed, offering valuable insights into the growth and development of these species in their natural habitat.