Özet:

This study aimed to determine the productivity status of greenhouses in Kırşehir where various plants (tomato, cucumber, pepper, eggplant and bean) are grown. For this reason, some physical and chemical analysis were made on soil and leaf samples taken from 16 greenhouses. According to the results, it was determined that the greenhouse soils were composed of sandy loam and loamy sand, slightly alkaline reaction (pH 7.51-8.32), medium level of lime (13.28-135.03 g kg-1), and poor in organic matter (8.60-29.61 g kg-1), and it was determined that there was no problem in terms of EC (0.17-1.98 dS m-1). It has been determined that the total N value of soils is insufficient, useful P, exchangeable K, Ca, Mg, favourable Cu, Mn, Fe and Zn contents are mostly sufficient and high. N, P, K, Fe and Cu values are deficient in tomato leaves, N, P, K, Zn and Cu deficient in cucumber, N, Fe, Zn and Cu deficient in pepper, N and Cu deficient in eggplant, N, P, K, Zn in beans and Cu was found to be deficient, while Ca was found in excess in all plants. As a result of the study, it was determined that some plant nutrients in the soil did not become useful to the plant, the most important reason for this is that if the nutrients in the soil are too much, they may become unusable for the plant by creating antagonistic effects and cause yield losses. For this reason, it has been concluded that it is very important to make regular soil and plant analysis in the greenhouses and to make a nutrition program according to the analysis results.

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