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EFFECT OF SOURCE AND RATES OF POTASSIUM FERTILIZERS ON GROWTH AND YIELD OF MAIZE GROWN UNDER SPRINKLER AND BASIN IRRIGATION SYSTEMS | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 5, Issue 16, 2011, Pages 0-0 | ||
| Authors | ||
| I. S. Salman; A. H. Al-Zubaidi | ||
| Abstract | ||
| Field experiment was conducted at Al Ishaqi region in loamy soil planted with maize (zea mays) using sprinkler and basin (control) irrigation systems. Two source of potassium fertilizer (Sulfate and chloride) were used with three levels 0,100, and 150Kg K.ha-1. Potassium fertilizer was splited into 12 segments for added by means of foliar application for sprinkler irrigation, and broadcasted for basin irrigation system. Plant samples were taken during plant growth (initial growth, flower and harvest stages) for dry matter K, N, P uptake and grain yield determination. Results indicated that Dry matter weight, and plant uptake for major nutrients were higher at sprinkler irrigation. Kcl fertilizer showed superiority upon K2SO4 under two irrigation systems. Positive effect of fertilization on, plant height, stem diameter, ear length and weight of 500 seed were found. | ||
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