Research article

EFFECT OF IRRIGATION WATER QUALITY, ORGANIC MATTER AND SPRAYING WITH ZINC NANO-FERTILIZERS ON SOME SOIL PROPERTIES AND SUNFLOWER GROWTH

Khaled Obaid Ali, Mohammad Tarkhan Abo Al-Meekh and Hamid Kazem Abdul-Amir

Online First: March 24, 2023


A field experiment was conducted in Al-Mahaweel district, Al-Imam hand, Al-Birawi region, in a soil with a texture of Silty Clay Loam classified into the major typic torrifluvent group according to the randomized complete block design (RCBD), Split plot experiment with three replications, to study the effect of irrigation water quality, organic matter, and the level of zinc nano-fertilizer applied as a spray on plants, and the effect of their interaction on some soil properties, which include EC, PH, SAR, and soil organic matter, and growth traits such as plant height and percentage of chlorophyll in sunflower leaves, the experiment included three variables: irrigation with four types of different electrical conductivity 2, 4, 6, and 8 dSiemens, three levels of organic fertilizer (zero) without addition, 20 tons.ha-1 of cow manure and sheep manure, and three levels of zinc nanofertilizer 0, 1.5, and 3 g.L-1, the organic matter showed a significant increase in the chlorophyll content of the leaves of the sunflower plant, while spraying nanoparticles of zinc did not affect the SAR, pH and OM, The effect of the interaction between the three factors was significant on soil properties. The seeds were sown on 5/3/2022 by the method of midwives and in cork dishes, and the seed variety was luleo from a French originator. The midwives were transferred after thirty days to the permanent site, and the results showed an increase in the salinity of the irrigation water. It led to a significant increase in the values of electrical conductivity, the percentage of adsorbed sodium, and soil content of organic matter, and to a significant decrease in the pH of soil and plant height, with the addition of organic residues to the soil. It led to a significant decrease in the values of electrical conductivity, the percentage of adsorbed sodium, and the pH of the soil, and increased the soil content of organic matter, and mitigated the harmful effect of salinity of irrigation water, in addition to that, nano fertilizer and zinc did not have a significant effect on the chemical properties of the studied soil, and the interaction between The three factors influence the chemical properties of the soil. Plant height and chlorophyll percentage in sunflower plants.

Keywords

Irrigation water quality, organic fertilizer, zinc nano-fertilizer, sunflower