Corn Yield Response to some Irrigation Methods and Fertilization with Macro and Micronutrients

Document Type : Original Article

Abstract

A FIELD experiment was conducted to evaluate the response of corn yield to different irrigation methods and combination of macro and micro fertilizers. Treatments were comprised of three methods of irrigation: alternate furrow irrigation (AFI), fixed furrow irrigation (FFI) and conventional furrow irrigation (CFI)} as main plots and four different fertilizer combinations: NPK, NPK + Zn , NPK + Zn + B and NPK + Zn + B + Fe as sub-plots, in a split plot design. The results revealed that methods of irrigation significantly influence corn yield. Higher grain yield was recorded under (CFI) compared to (AFI) and (FFI). In both seasons, there was no significant difference between (CFI) and (AFI) while, a significant difference between each of (CFI) and (AFI) with (FFI) was found. The grain yield under (AFI) and (FFI) decreased by 4% and 15 %, respectively comparing with (CFI). The performance of (AFI) and (FFI) decreased irrigation water amount at the rates of 15 and 26%, respectively comparing with (CFI). Application of complete fertilizers, treatments (F4), recorded the highest grain yield compared with the other fertilizer treatments. The result also revealed that (CFI) increased the 100 grain weight, no. of grains and ear length followed by (AFI) and (FFI), respectively. Under (F4) treatment, no significant difference between (CFI) and (AFI) was found. These results indicated that (AFI) and (FFI) are ways to save water. The interaction between irrigation method (AFI) and (F4) treatment was the best combination for yield and yield contributing characters of corn in both seasons. The fertilization treatment (F4) is recommended to be usedin order to increase the performance of corn and help in maximizing yield production.

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History

  • Receive Date: 10 April 2013
  • Revise Date: 29 December 2013
  • Accept Date: 30 December 2013

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