The Interaction of Zeolite and Pitting on the Concentration of Nutrition, Root Length and Stem Height of Agropyron elongatum L. under Various Drought Levels

One of the ways in Iran to deal with drought stress is the use of new techniques for water storage in the soil. The aim of this study was to study the effect of pitting and zeolite application on growth and physiological triates of Agropyron elongatum in drought stress conditions.

An experiment conducted based a randomized complete block design. Initially, the seeds were cultivated in a greenhouse in a pot and after 3 months the seedlings were transferred to a field outside the greenhouse and treatments were applied to them, for 6 months. The applied treatments included: pitting consisting of two levels with pitting and no pitting, zeolite in two levels with zeolite (50 g per seedlings) and no zeolite and 4 levels of irrigation including FC irrigation, 1/2 FC, 1/4 FC and without irrigation (as control treatment).

The results showed that by applying pitting and zeolite, the concentrations of calcium, copper, potassium, manganese, sodium, zinc, phosphorus, stem weight, root weight, stem height and root length increased significantly. The concentration of iron in the case of without pitting increased more and increased from 2.3 to 17.2 mg / kg in the without pitting treatments.

The results showed that simultaneous application of the three treatments (pitting, zeolite, and drought) had a significant interaction effect and further increase the measured parameters. It can be concluded that the use of pitting and zeolite has a positive effect on growth and physiological characteristics of Agropyron elongatum.