تأثير الرش الورقي بحامض الأسكوربيك و إضافة حامض الهيوميك للتربة في النمو الخضري لشتلات النارنج البذرية (Citrus aurantium L.)‎

الملخص EN

This study was carried out in private nursery in Iraq-Najaf, in growing season 2014 local sour orange seedling (Citrus aurantium L.)were treated with two concentration of ascorbic acid (200, 400 mg\L) as foliar spray, and with two concentration of humic acid (6, 8 ml\L), each alone or in combinations.

Sapling were treated two times between first and second treatments two month in 15/2/2014 and 15/4/2014 respectively .Results showed significant increased vegetative growth characteristic when treated with ascorbic acid and humic acid and there interaction.

The best treatments was humic acid (8 ml/L) , (ascorbic acid 200mg /L+ humic 8ml/L) were superior in most studied vegetative growth characteristic.