Kirkuk University Journal for Agricultural Sciences (KUJAS)

Efficiency of Corn (Zea mays L.) Varieties Grown in Zinc_Deficient Calcareous Soil

https://doi.org/10.58928/ku14.05207
Volume 5, Issue 2
Autumn 2014
Page 33-42
Kirkuk University Journal for Agricultural Sciences (KUJAS)

Document Type : Research Paper

Authors

Sadullah N. AL-Niemi
F.A.Sied Hassan
K.E. AL-Hadidi
A.M. Ali

IRAQ

Abstract
Greenhouse experiment was carried out to screen ten corn varieties for zinc efficient and inefficient grown in Zn deficient silty clay loam soil which characterized by high pH, high level of calcium carbonate and low organic matter. In general zinc deficiency produced plants with low leaf area, plant height , root depth and low shoot and root dry matter production. Corn varieties were different in their Zn efficiency. Under Zn deficiency Bakistani/1 variety showed better Zn efficiency based on root dry weight, plant height and root depth efficiencies (ranking first), and also had better leaf area (ranking second) and shoot dry matter production (ranking third) among the ten varieties. Zinc supply increased Zn, P and K content in roots and shoots of corn plants.

Keywords

calcareous soils
Zn deficient
efficient
Screening

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