Impact of Fulvic Organic Fertilizer and Planting Distance on Growth Attributes of Maize
Impact of Fulvic Organic Fertilizer and Planting Distance on Growth Attributes of Maize
Ghassan Adnan Abdul Ameer
ABSTRACT
The experiment was conducted as a field trial during the spring of 2024 in the Mashroo sub-district area, within the fields of Technical College Al-Mussaib in Babylon Governorate. The study aimed to examine the response of different concentrations of organic fulvic fertilizer foliar application on maize variety Euphrates growth and yield characteristics. Three foliar spray treatments with a fulvic fertilizer (70% fulvic acid, 3ml/L) were included in the experiment. The first treatment was controlled with no spray, the second treatment involved one spray 18 days after planting and the third treatment applied two sprays, 18 and 36 days after planting. The experiment utilized a complete randomized block design with three replications. The results indicated that the number of foliar sprays had a significant positive effect on various growth parameters, including the number of leaves, plant height, ear length, number of corn cobs, and grain per cob. Increasing the planting distance also resulted in taller plants and more leaves, which positively affected the cob characteristics and number of grains. The highest productivity was achieved with the treatment of two sprays combined with a planting distance of 25 cm, resulting in a higher number of grains per cob.
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