Effects Of Drought on Plant Growth and Some Macro and Micro Element Contents in Spinach Produced in Soil Supplemented with Vermicompost and Algae

One of the ways to protect plants in adverse environmental conditions such as drought is to help plant nutrition by using organic and biological environments. In the present study, in order to determine the effects of drought stress on spinach, plants were produced in 2-liter pots filled with garden soil (as the control group), 1:1 ratio of garden soil + vermicompost, or 1:1 ratio of garden soil + algae, and 4 seeds were planted in each pot. The spinach seedlings in each pot was thinned to two at the true leaf stage. Two spinach cultivars (cv. Matador and cv. Catrina) were used in the study. The spinach plants were irrigated every 2 or 3 days depending on the water condition in the pots until field capcity for a month. Then, the irrigation was terminated for 15 days to create drought stress. The study was designed with 3 replications and 3 pots in each replicate, according to the randomized plots factorial design. In the study in which plant fresh weights, number of leaves, K, Ca, Mg, Cu, Fe and Zn contents were examined, plant weights and leaf numbers of Matador and Catrina spinach cultivars in the soil environment were more affected by drought stress than vermicompost + soil and algae + soil media. It has been observed that vermicompost and algae media reduce the effect of drought, increase plant weight and leaf number, increase K, Ca, Mg, Cu, Fe and Zn contents and have a positive effect on plant growth.

Anahtar Kelimeler:

Algae, Drought, Spinach, Vermicompost

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