تأثير السماد العضوي السائل (Humizone) والرش بالنحاس النانوي في نمو وحاصل الماش

Effect of liquid organic fertilizer (Humizone) and spraying with nano copper on the growth and yield of mung beans

A field experiment was carried out in a field at Ibn Al-Baytar Vocational Secondary School in Al-Hussainiya District, Karbala during the spring season of 2023 AD. The coordinates of the field are longitude 32.67 and latitude 44.16. The purpose of the experiment was to investigate the impact of using liquid organic fertilizer (Humizone) and spraying nano copper on the growth, yield, and quality of mung beans. The experiment followed a randomized complete block design (RCBD) and consisted of treatments arranged in split plots with three replicates. Two factors were studied: levels of liquid organic fertilizer (0, 10, and 20 L ha-1) in the main plots, and concentrations of nano copper (0, 15, 30, and 45 mg L-1) in the subplots. The results of the study are as follows:
• The application of liquid organic fertilizer to the soil resulted in a significant increase in growth traits, yield, and Chemical and qualitative traits of mung beans. The application rate of 20 L ha-1, yielded superior results in plant height, number of branches, number of leaves per plant, leaf area, chlorophyll index in leaves, pod length, green dry weight, number of pods per plant, number of seeds per pod, total seed yield, biological yield, harvest index, nitrogen, phosphorus, potassium, copper, and protein concentration in seeds, as well as protein yield. These parameters increased by 52.29%, 46.51%, 32.75%, 137.61%, 21.20%, 75.86%, 39.16%, 32.69%, 55.38%, 90.19%, 67.32%, 18.78%, 63.75%, 96.70%, 62.77%, 61.47%, 63.90%, and 223.43% respectively, compared to the control treatment without fertilizer application.
• Applying nano copper through foliar feeding significantly increased various growth traits and yield in plants. At a concentration of 45 mg L-1, there were notable improvements in plant height, number of branches, leaf count, leaf area, chlorophyll index, pod length, green dry weight, pods per plant, seeds per pod, total seed yield, biological yield, harvest index, nitrogen, phosphorus, potassium, copper, and protein concentrations in seeds. Protein yield also increased. Compared to the control treatment without nano copper, the increase rates were as follows: 8.30% for plant height, 16.00% for number of branches, 15.11% for leaf count, 37.01% for leaf area, 12.66% for chlorophyll index, 24.60% for pod length, 15.97% for green dry weight, 12.83% for pods per plant, 21.00% for seeds per pod, 33.86% for total seed yield, and 21.41% for biological yield. Additionally, the concentrations of nitrogen, phosphorus, potassium, copper, and protein in the seeds increased by 9.38%, 19.13%, 37.61%, 18.43%, and 20.26% respectively, while the protein yield showed a significant increase of 56.03%.
• The combination of adding liquid organic fertilizer to the soil and using nano copper for foliar feeding resulted in a significant increase in growth traits, yield, and Chemical and qualitative traits of mung beans. The treatment that involved adding 20 L h-1 of liquid organic fertilizer and using 45 mg L-1 of nano copper for foliar feeding showed significantly better results in various plant characteristics, including plant height, number of branches, number of leaves, leaf area, chlorophyll index, pod length, vegetative dry weight, number of pods, number of seeds per pod, total seed yield, biological yield, harvest index, and the concentration of nitrogen, phosphorus, potassium, copper, and protein in seeds. The increase rates were 66.02%, 68.70%, 62.85%, 253.78%, 39.44%, 121.30%, 65.65%, 53.64%, 103.90%, 168.02%, 93.28%, 38.51%, 107.22%, 217.18%, 93.71%, 100.00%, 107.42%, and 454.78% respectively, compared to the treatment without these additions.