Effects on Biological Fertilizer on Growth and Yield of Millet (Panicum miliaceum) under saline condition

Document Type : Research Paper

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Abstract

Introduction: Millet is one of the traditional cereal in arid and semi-arid tropics That it had high tolerance to drought and salinity stress. Salinity is one of the most important abiotic stresses. Reducing the limiting effects of salinity, has a positive impact on agricultural production. Humic acid substances play a major role as the most stable part of organic matter directly on the release nutrients, cation exchange capacity, inhibiting the release of phosphorus and heavy metals and toxic. Vermicompost is a kind of compost produced by worms as a result of the transformation and digestion of organic remains, occurs while passing through the digestive tract of the animals. The aim of this study was include Comprising of the granular humic and vermicompost fertilizer at increasing grain yield in salinity condition and Effect of humic acid granular fertilizer and vermicompost at reducing the effects of soil salin.
Materials and method: In order to evaluation the effect of organic fertilizers such as vermicompost and humic fertilizer on amendment of salty soils to improve soil conditions as well as reduce or eliminate the use of chemical fertilizer. This factorial experiment took place in a randomized complete block design with 4 replications. The First factor include salinity levels (1 and 10 ds/m), the second factor consists of three levels (0, 2 and 4%) humic Fertilizer and the third factor consists of three levels (0, 5 and 10 %) vermi compost fertilizer that applied in growth of millet Proso.
Results and discussion:The results indicated that plant dry weight influenced by humic acid and vermi compost by weight percentage. According to the results, chlorophyll was only affected by humic acid treatment. In this study was significant interaction between plant height, grain yield, with vermicompost, salt and humic acid. The results indicated that the use of vermicompost increased plant dry weight. The highest plant dry weight were obtained with the use of 2% humic acid. thus seam with application of organic fertilizer can be adjusted adverse effects of salt stress and planted Relatively tolerant plants without a significant reduction in yield and yield components
Conclusion: According to the results of this study Vermicompost humic acid and the increased growth in some of the properties of millet Interaction of humic acid and vermicompost had a significant effect on chlorophyll content index, plant dry weight and grain yield Also with the applying salinity stress was obtained least amount of grain yield that This was indicated the negative impact of salinity stress on plant. Simultaneously with application of salinity in the soil Na + occupying exchangeable phase Some of the cations And increased concentration in the soil solution. Leading to easier access and more absorbed by the plant. Therefore, it can be used. Biofertilizers in order to reduce the effects of salinity stress

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Journal of Crop Production
Volume 11, Issue 3
December 2019
Pages 1-14

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