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EFFECT OF SOURCE AND RATE OF POTASSIUM FERTILIZERS ON GROWTH AND YIELD OF MAIZE GROWN UNDER DRIP AND FURROW IRRIGATION SYSTEMS | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 2014, Issue 2, 2009, Pages 0-0 | ||
| Authors | ||
| I. S. Salman; A. H. Al-Zubaidi | ||
| Abstract | ||
| Field experiment was conducted at Al Yousfia region in Silt clay loam soil planted with maize (zea mays) using drip and furrow (control) irrigation systems. Two sources of potassium fertilizer (sulfate and chloride) were used with three levels 0, 100, and 200 Kg K.ha-1. Potassium fertilizer was splited into 12 segments for added by means of fertigation for drip irrigation, and broadcasted for furrow 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 drip irrigation. KCl fertilizer showed superiority upon K2SO4 under drip irrigation, while their effects were similar under Furrow irrigating with relatively higher values for K2SO4. Higher yield with a value of 349.53 and 297.60 gm.plant-1 (21.816 and 18.600 ton.ha-1) for maize were found for drip irrigation and furrow irrigation respectively. Positive effect of fertilization on yield component, ear length, weight of 500 seeds, plant height, and stem diameter were found. | ||
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