Maximizing crop water productivity from the water unit: Effect of spraying antitranspirat compounds at different rates on peanut plant growth and yield characters under different water stress

Abd M. El-Hady; Ebtisam I. Eldardiry; M. M. Wahba; M. A. Amal

doi:10.53730/ijhs.v6nS3.8097

Authors

Abd El-Hady M. Water Relations and Field Irrigation Dept., National Research Centre, El-Behoos St., Dokki, Cairo, Egypt
Ebtisam I. Eldardiry Water Relations and Field Irrigation Dept., National Research Centre, El-Behoos St., Dokki, Cairo, Egypt
Wahba M. M. Soils and Water Use Department,, National Research Centre, El-Behoos St., Dokki, Cairo, Egypt
Amal M. A. Soils and Water Use Department,, National Research Centre, El-Behoos St., Dokki, Cairo, Egypt

Keywords:

water stress, antitranspirant, water crop productivity, peanut, yield

Abstract

Egypt is currently suffering from the vast increase in population that is increasing water consumption whether for domestic use or by other sectors especially, the agricultural one. Therefore, the main objective is study the effect of the spraying antitranspirat compounds (Na₂CO₃ MgCO₃and K₂SO₃) at different rates (0, 2, 4; 6%) under water stress conditions (60; 80% from ETo) on peanut yield crop and yield quality. The experiment was conducted under drip irrigation system in the sandy soils of the experimental Farm of the National Research Centre, El-Nubaria, El-Behera governorate. Resulted data indicated that the highest values were observed after spraying K₂SiO₃ at 6 % and values increased with increasing rates from 0 to 6%. While the lowest values were recorded at control (Na₂CO₃). MgCO₃ and K₂SiO₃ have a positive effect on oil %, Na₂CO₃ for protein and K₂SiO₃ for NPK content. Water crop productivity(CWP) increased in the current experiments in the following order of 60>80 % ETo despite the reduction in crop yield. CWP values under 80 % water stress were lower than 60 %. Treatment 60 % water stress was superior and scored 17 % more than 80 % water stress.

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