Influence of Foliar Application of some Micronutrients on Maize Kernel Yield and Nutrient content
Razhan Bakr Mustafa1*& Ghafoor Ahmed Mam Rasul1*
1Natural Resources Department, College of Agricultural Engineering Sciences- University of Sulaimani, Sulaimani, Kurdistan Region- Iraq
*Corresponding author’s e-mail: [email protected], [email protected]
Original: 16 April 2020 Revised: 25 May 2020 Accepted: 23 August 2020 Published online: 20 December 2020
Doi Link:
Abstract
The present study was conducted to evaluate the
effect of various levels of some micronutrients Zn, Fe and Cu individually and
in combination on maize (Zea mays L.) kernel yield and kernel content of
micronutrients using foliar application. The field experiment was behaved at
Qlyasan Agricultural Research Farm in the Sulaimani Governorate of the
Kurdistan Region of Iraq from April to August 2019. The experimental treatments
laid out in a complete randomized block design (RCBD) with three replicates.
The treatments were included three levels of Zn (2, 4 and 6 kg ha-1),
three levels of Fe (3, 5 and 7 kg ha-1) and three levels of Cu (2, 3
and 4 kg ha-1) as individual and three levels of combined Zn + Fe +
Cu (2 +3 + 2 kg ha-1), Zn + Fe + Cu (4 + 5 + 3 kg ha-1)
and Zn + Fe + Cu (6 + 7 + 4 kg ha-1) with control. The results revealed
that the foliar application of some micronutrients significantly affected in
kernel yield of maize and the uptake of applied micronutrients by maize kernel
at (P≤0.05). The maximum kernel yield of maize was 12.63 Mg ha-1
obtained with the application of Zn (2 kg ha-1) (T2) along with
recommended NPK. Also, the results showed that the foliar feeding affected
significantly of micronutrient uptake by the kernel of maize plant, the maximum
values of micronutrient uptake by maize kernel for Zn, Fe and Cu were 2.95 kg
ha-1, 9.25 kg ha-1 and 4.94 kg ha-1 from the treatments T12, T12 and T6
respectively.
Key Words: Foliar
application, Maize, Zinc, Iron, Copper
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