The Effects of Nitrogen Fertilization and Deficit Irrigation Practices on Tomato Growth and Chlorophyll Concentration
( Vol-5,Issue-3,March 2018 )

Meryem Kuzucu


Nitrogen Fertilization, Deficit Irrigation, Tomato, Chlorophyll Concentration.


Irrigation and fertilization are absolutely necessary in order to increase productivity in agricultural production. Water is the most important source of life on the earth. All living things need absolute water so that they can continue plants life. The fact that the nutrients present in the soil can complete the natural cycle is completely dependent on the water cycle. Irrigation is the amount and time required for the root zone of the plant in soil, which is needed by the plant and cannot enough by precipitation in agriculture. This study was carried out in the farmer’s greenhouse conditions between 2004-2005 years. Three different doses of nitrogen (N1:75 ppm N, N2:150 ppm N, N3:225 ppm N) were applied to the tomato plant grown in the greenhouse. S1:100% full irrigation, S2:50% irrigation according to pot capacity. The study was based on a trial randomized block design with 3 replications. At the end of 2 years, the results gave us; the best plant growth was measured with N3S1 an average height by128 cm. The worst plant height was obtained from N1S2 an average height by 88 cm. Plant body diameter has been found between 0,82cm and 0,54cm. Irrigation practices were more effective to total chlorophyll content than the fertilization practices. As a result, the deficit irrigation has also developed as well as full irrigation. Deficit irrigation and nitrogen fertilizer increased crop yield in arid regions.It is suggested that irrigation water can be reduced and adequate fertilization can be increased crop production in arid regions.

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