A field experiment was carried out in the wooden canopy of the Department of Horticulture and Garden Engineering, College of Agriculture, University of Anbar. Mycorrhiza and licorice were added to the seedlings of lemongrass plant in order to increase some of the physiological and chemical characteristics in the plant, three levels of Mycorrhiza fungus 10 and 20 grams were added to the media, as for licorice, it was added at a rate of 0, 50 and 100 grams per pot. The highest rate of studied parameters (plant height, number of branches and chlorophyll rate in leaves) was obtained for the high combination of Mycorrhiza and licorice (4 grams of Mycorrhiza and 100 grams of licorice per pot) with a significant difference from the rest of the other combinations.
A field experiment was carried out in the wooden canopy - Department of Horticulture and Gardening Engineering - College of Agriculture - University of Anbar to testing the response of Stevia rebaudiana bertoni to spraying Organic fertilizer and Proline, three levels of Organic fertilizer (0mg, 50mg and 100mg) used, as well as three levels of Proline used (0mg, 100mg and 200mg). The results showed that the treatments sprayed with the Organic fertilizer (100mg) were significantly superior with the highest ratios of plant height, number of leaves per plant and leaf thickness, recorded (55.20cm) (729 leaf) (07370mm), respectively Whereas, the best ratios of the above characteristics were recorded when spraying with Proline, (87.04cm) (737 leaf) (07620mm) respectively. The highest rate of plant height, the number of leaves per plant, and the thickness of the leaf were recorded when the interaction between the experiment factors, where the highest rate was recorded at the interaction (100 mg Organic fertilizer and 200 mg Proline) the highest ratios were recorded (97.50cm) (789 leaf) (07740mm), respectively.
The experiment was conducted in the fields affiliated to the College of Agriculture - University of Anbar from 1/2/2018 until 30/1/2020 with the aim of studying the response of green landscap to the effect of spraying the benzyl adenine and algae extract through a mixture of herbs for hot and cold areas. The factorial experiment was conducted according to the random Complete block design (RCBD) with three replicates, including Benzyl adenine (BA) at a concentration of (0, 5, 10 and 15) mg−1 liter and algae extract (0, 0.5, 1 and 2) ml liter−1. The results showed a significant increase in the concentration of 15 mg−1 liter−1 in (BA) in increasing the plant density and the number of branches, also reducing the number of shear times reached 44.58 dcm plants2, 9.94 branches. Plant−1 and 6.58 shear), as well as an increase in the susceptibility of run over for the three seasons, summer, autumn and winter with a degree of 3.39, 2.97 and 3.09, in respectively. The same concentration recorded a significantly increased in the color and quality (homogeneity) for the green area for the three seasons, grades were (7.75 and 7.66) for the summer season, (6.95 and 6.89) autumn, 7.29 and 7. 37 in the winter, respectively. The spraying of algae extract with the concentration of 2 ml −1 resulted a significant increase in the plant density was 45.16 dcm plants2, the number of cuts was 9.50 shear. The same concentration increased the degree and the quality of color (homogeneity) for the flat green to the three seasons (7.70, 7.75) degree of summer (7.00, 6.93) degree of autumn (7.39, 7.41) degree of winter respectively.
This study was conducted using plastic pots of 15 kg pot capacity for the 2019 agricultural season in a private nursery in Ramadi city / Al-Anbar governorate, with the aim of studying the effect of nano-organic fertilizer and proline acid on some vegetative growth characteristics of Neem trees (Azadirachta indica). Field experiment included three proline concentrations were (0, 50 and 100) mg.L−1 and three concentrations levels of Mycorrhizae were 0, 2 and 4 g per pot contains 15 kg of soil. Data averages were compared by using the Lowest Significant Difference (L.S.D) at a probability level of 0.05. The overlap between the study factors led to a clear increase in all the studied traits and the trees that were treated with the study factors outperformed them.
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