EFFECT OF TILE DRAIN SPACING AND ZINC FERTILIZATION ON WHEAT CROP RODUCTIVITY IN SALT-AFFECTED SOILS

Document Type : Agricultural research is a specialized scientific

Authors

Drainage Field Res. Department, Soils, Water and Envir. Res. Inst., Agric. Res. Center Egypt.

Abstract

A field experiment was performed to study the application of a three spaces tile drainage system and fertilizing with zinc on wheat crop productivity grown on salt-affected soil at EL-Serw Agricultural Research Station in Damietta Governorate, Egypt, during two successive winter seasons of 2018/2019 and 2019/2020. The experiment was designed in a split-plot design with three replicates. The results showed that reducing drainage distances to 15 m led to a significant increase of the yield component and NPK and Zn content of wheat plants. likewise, raising zinc fertilization rate to 40 kg ha-1 induced a significant enhancement in all studied traits. However, the phosphorus content of grains reduced with increasing zinc fertilization rates, this may be due to the antagonistic effect of Zn on P uptake. The obtained results, appeared that the best treatment applied in this experiment is to utilize a distance of 15 m for the subsurface drainage system with the addition of zinc at a rate of 40 kg ha-1 to promoting the productivity of the wheat crop.

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