“…Although, salt doses negatively affected root length, this effect was not statistically significant. Growth and development are generally negatively affecting plants under salt stress, and in some cases the plant dies as an effect of the salt effect (Erdal et al, 2000). In many similar studies (Turkmen et al, 2008;Tunçtürk et al, 2011a;Kalyoncu, 2013), it was reported that increased salt concentrations had a negative effect on the root length values of the plant.…”
In the study, humic acid was applied to soybean (Glycine max L.), which has high economic value and importance, to determine the tolerance level of the plant against salt stress, and physical and chemical changes in the plant were observed. The study was carried out in the climate room of Van Yuzuncu Yil University Faculty of Agriculture, Department of Field Crops in 2019. In the research, İlksoy soybean variety was used. The experiment was carried out in 4 factorial orders according to the factorial experiment was designed based on Completely Randomized Design. In the research, four different Humic acid doses (0, 500, 1000 and 2000 ppm) and 3 different NaCl salt doses (0, 125 and 250 mM) were used. In the study, root length, stem length, root fresh weight, stem fresh weight, root dry weight, stem dry weight, leaf area, chlorophyll content, ion leakage in leaf tissues, lipid peroxidation level (MDA), relative water content and membrane resistance index in leaf tissues were determined. Properties such as index were also examined. As a result of the study, the longest root was 38 cm for the control plots that salt and humic acid didn’t apply to the plants. The highest root fresh weight was 2.08 g and the stem fresh weight was 1.87 g of the plots where 500 ppm humic acid dose applied. In addition, the plants with the highest chlorophyll ratio was 51.05 under 250 mM salt applied without humic acid application.
“…Although, salt doses negatively affected root length, this effect was not statistically significant. Growth and development are generally negatively affecting plants under salt stress, and in some cases the plant dies as an effect of the salt effect (Erdal et al, 2000). In many similar studies (Turkmen et al, 2008;Tunçtürk et al, 2011a;Kalyoncu, 2013), it was reported that increased salt concentrations had a negative effect on the root length values of the plant.…”
In the study, humic acid was applied to soybean (Glycine max L.), which has high economic value and importance, to determine the tolerance level of the plant against salt stress, and physical and chemical changes in the plant were observed. The study was carried out in the climate room of Van Yuzuncu Yil University Faculty of Agriculture, Department of Field Crops in 2019. In the research, İlksoy soybean variety was used. The experiment was carried out in 4 factorial orders according to the factorial experiment was designed based on Completely Randomized Design. In the research, four different Humic acid doses (0, 500, 1000 and 2000 ppm) and 3 different NaCl salt doses (0, 125 and 250 mM) were used. In the study, root length, stem length, root fresh weight, stem fresh weight, root dry weight, stem dry weight, leaf area, chlorophyll content, ion leakage in leaf tissues, lipid peroxidation level (MDA), relative water content and membrane resistance index in leaf tissues were determined. Properties such as index were also examined. As a result of the study, the longest root was 38 cm for the control plots that salt and humic acid didn’t apply to the plants. The highest root fresh weight was 2.08 g and the stem fresh weight was 1.87 g of the plots where 500 ppm humic acid dose applied. In addition, the plants with the highest chlorophyll ratio was 51.05 under 250 mM salt applied without humic acid application.
Humik asit dozları ekim öncesi toprak yüzeyine pülverize edilerek toprağa karıştırılmıştır. Araştırma sonucunda; toprağa uygulanan farklı dozlardaki humik asidin bitki boyu ve sap kalınlığı dışında incelenen özelliklerde istatistiki farklılık oluşturduğu görülmüştür. Bitkideki yaprak sayısında artış olduğu; koçan kalınlığı, koçanda tane ağırlığı, bintane ağırlığı ve tane verimi değerlerinin kontrol uygulamasından itibaren arttığı, 700 ml HA da-1 uygulamasında en yüksek değere ulaşıldığı belirlenmiştir. Anahtar kelimeler: mısır, humik asit, topraktan uygulama, Harran Ovası Effect of Humic Acid Soil Application to Yield and Yield Characteristic of Corn Plant (Zea mays L. indentata) ABSTRACT: This study was aimed to determination of soil treated humic acid effects to yield and yield characteristics of corn plant (Zea mays L. indendata) as grown second crop conditions. Study was set up according to randomized complete experimental design with 3 replicates under Harran Plain conditions in 2012, Şanliurfa. Motril hybrid corn variety was used as a plant material. Humic acid dosages were 0 (control),
Soil structure, chemistry, and fauna are very important in terms of sustainable agricultural production, and it is inevitable to plan productionbased on these factors. In this context, the use of alternative ecosystem-friendly practices should be expanded in agricultural production instead of chemical fertilizers, which have harmful effects if used excessively. In this study, the effects of different fertilization (chemical, organic, and vermicompost) on the physicochemical properties of the "Heritage" cultivar of raspberry, which is loved for its aroma and biochemical content, were investigated. Based on our results, chemical fertilization came to the fore in terms of fruit width (15.83 mm) and length (16.42 mm), while the highest values in terms of fruit weight (1.80 g) were obtained as a result of organic fertilization. In addition to citric acid (20749 mg L-1), which has been identified as the dominant acid of the "Heritage" cultivar, chemical fertilization gave the best results in terms of tartaric acid (2615.54 mg L-1), malic acid (477.71 mg L-1) and titratable acidity (2.47 %) contents. For acetic acid (643.11 mg L-1), ascorbic acid (201.08 mg L-1) and oxalic acid (30.02 mg L-1) contents high results were obtained from vermicompost application. At the same time, the highest total flavonoid content (11.78 mg quercetin L-1) was determined in vermicompost application. The highest values in terms of total anthocyanin (1.54 µg cyan-3-glk g-1) and total phenol (590.11 mg GAE L-1) content were measured from chemical fertilizer application. Organic fertilization came to the fore in terms of antioxidant activity (95.24%), which is affected by many of the aforementioned metabolites. As a result of the study, it was determined that the application most affecting yield was organic fertilizer.
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