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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   SPRING 2008 , Volume 21 , Number 1 (78 IN AGRONOMY AND HORTICULTURE); Page(s) 96 To 100.
 
Paper: 

REACTION OF MORPHOLOGICALLY AND YIELD OF COM TO FE AND CU

 
 
Author(s):  RAHIMI MOHAMMAD MAHDI*, MAZAHERI D.
 
* YASOUJ AZAD UNIVERSITY, YOUNG RESEARCHERS CLUB
 
Abstract: 

This experiment was conducted in research station of Yasouj Azad University in a factorial experiment based on randomized complete block design with four replications. Each replication consisted of 12 treatments in four fertilizer levels including 2.5 per thousand of Fe-sulfate solution, 2.5 per thousand of Cu-sulfate solution in three stages of growth (4, 8 & 12 leaves). During the experiment, the height of plant, leaf area index, time of tassel appearance, number of rows in cob, number of grains in row, weight of thousand grains, yields in area unit, harvest index and the rate of grain protein were assessed. This study showed that using spraying had significant differences in different growth stages except in the factors like plant height, time of tassel appearance and weight of thousands grain. Also using all microelement treatments had significant effects to the level of 1%. The most grain yield was in eight- leaf-stage with 11.05 ton/ha and after that four- and twelve-leaf- stages were in the second level. In case of using spraying treatments, the best results were related to 2.5 per thousand of Fe-sulfate solution and the least were related to control and 2.5 per thousand of Cu-sulfate solution.
In evaluating the interaction between treatments, the best yield was related to 2.5 per thousand of Fe-sulfate solution in eight-leaf- stage and the least related to 2.5 per thousand of Cu-sulfate solution and control. In the end, spraying of 2.5 per thousand of Fe-sulfate solution in eight- leaf- stage without using Cu-sulfate, in many cases dedicated the best results to itself. This formulation can be used for increasing yield, enhancing the products and removing food deficiencies.

 
Keyword(s): CORN, FE- SULFATE, CU- SULFATE, YIELD, GROWTH STAGE, SPRAYING
 
References: 
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