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Register a new userRole of Organic and chemical Conditions and Type of Irrigation Water In Chemical Properties for Irrigated Soils by Saline Water
تأثير الري بمياه مالحة ودور المحسنات العضوية والكيميائية على بعض الخواص الكيميائية للترب الطينية
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Added by
University of Aleppo ورقة بحثية
Publication date
2018
fields
Agricultural Engineering
and research's language is
العربية
Authors
يوسف وليد الخلف( باحث )
Created by
د. يوسف الخلف
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نفذت تجربة أصص ضمن ظروف البيت الزجاجي في كلية الزراعة بجامعة حلب، بهدف معرفة الأثر الذي يسببه كل من الجيبس وحمض الهيوميك في الخواص الكيميائية للترب المروية بمياه مالحة. تم تصميم التجربة بطريقة القطع المنشقة من الدرجة الثانية، بحيث تضمنت القطع الرئيسة ثلاثة مستويات من ملوحة مياه الري عن طريق استخدام ملح كلوريد الصوديوم (W1:0 ، W2:3 ،W3 :g𝓁-1 6). وتم خلط ثلاثة مستويات من الجيبس: (G3:50, G2:25, G1:0 g). كما تم إضافة ثلاث مستويات من الأحماض مع مياه الري بمعدل (48 ,24 ,0 كغ/هـ). وتم تطبيق معامل الغسيل مع مياه الري للمعاملتين (W3,W2) بمعدل %10 و%20 من السعة الحقلية، على الترتيب. أشارت النتائج إلى تراكم الأملاح في الترب المروية بمياه مالحة، وكان تراكم الأملاح أعظمياً عند تطبيق معامل الغسيل %10 (W2)، بينما انخفض تراكم الأملاح عند تطبيق معامل الغسيل %20 (W3). وساهمت إضافة مستويات من الجيبس في زيادة قيم الـ EC، وخاصةً في الطبقة السطحية. وبرز دور حمض الهيوميك بشكل فعال في الترب المروية بالمياه المالحة (W3,W2)، حيث انخفض تركيز أيونات الصوديوم وقيم SAR وESP بشكل واضح عند تطبيق مستوى عالي من حمض الهيوميك مع مياه الري. كما تأثرت قيم معدل الصوديوم المدمص SAR ونسبة الصوديوم المتبادل ESP بتراكم الأملاح في الطبقة السطحية.
The pot experiments were carried out under the conditions of the glass house at the Faculty of Agriculture, University of Aleppo. The aim of the present study is to determine the role of gypsum and humic acid on some chemical properties of irrigated soil by saline water. The experiment was designed in a split second-order manner, with the main sections containing three levels of salinity irrigation water using sodium chloride salt as (W1:0, W2:3, W3:6 g𝓁-1). Three levels of gypsum were mixed: as (G1:0 , G2:25, G3:50 g). Three levels of acids were added with irrigation water as (H1:0,H2:24, H3:48 kg/he). The experiments for application leaching factor with irrigation water were carried out for treatment (W2,W3) at two levels as (%10 and %20) of field capacity, respectively. The results showed that the salt accumulation was higher when applied the leaching factor (W2), while the salt accumulation was decreased when the wash factor (W3) was applied. The addition of gypsum levels contributed for increasing in EC values, especially in the surface layer. The role of humic acid was effectively demonstrated in saline soils (W3, W2), where the concentration of sodium ions, SAR and ESP were significantly reduced when applying a high level of humic acid with irrigation water. The SAR values and the sodium-sodium ratio (ESP) were affected by the accumulation of salts in the surface layer.
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Research summary
نفذت تجربة أصص في كلية الزراعة بجامعة حلب لدراسة تأثير الجبس وحمض الهيوميك على الخواص الكيميائية للترب المروية بمياه مالحة. تم تصميم التجربة بطريقة القطع المنشقة من الدرجة الثانية، واشتملت على ثلاثة مستويات من ملوحة مياه الري وثلاثة مستويات من الجبس وثلاثة مستويات من الأحماض الهيومية. أظهرت النتائج تراكم الأملاح في الترب المروية بمياه مالحة، وكان تراكم الأملاح أعظمياً عند تطبيق معامل الغسيل بنسبة 10%، بينما انخفض تراكم الأملاح عند تطبيق معامل الغسيل بنسبة 20%. ساهمت إضافة الجبس في زيادة قيم التوصيل الكهربائي (EC)، وخاصة في الطبقة السطحية. كما برز دور حمض الهيوميك بشكل فعال في الترب المروية بالمياه المالحة، حيث انخفض تركيز أيونات الصوديوم وقيم معدل الصوديوم المدمص (SAR) والنسبة المئوية للصوديوم المتبادل (ESP) بشكل واضح عند تطبيق مستوى عالي من حمض الهيوميك مع مياه الري. تأثرت قيم SAR و ESP بتراكم الأملاح في الطبقة السطحية.
Questions related to the research
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ما هو الهدف الرئيسي من الدراسة؟
الهدف الرئيسي من الدراسة هو معرفة الأثر الذي يسببه كل من الجبس وحمض الهيوميك في الخواص الكيميائية للترب المروية بمياه مالحة.
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ما هي النتائج التي توصلت إليها الدراسة بشأن تراكم الأملاح؟
أشارت النتائج إلى تراكم الأملاح في الترب المروية بمياه مالحة، وكان تراكم الأملاح أعظمياً عند تطبيق معامل الغسيل بنسبة 10%، بينما انخفض تراكم الأملاح عند تطبيق معامل الغسيل بنسبة 20%.
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كيف أثر حمض الهيوميك على الترب المروية بالمياه المالحة؟
ساهم حمض الهيوميك بشكل فعال في الترب المروية بالمياه المالحة، حيث انخفض تركيز أيونات الصوديوم وقيم معدل الصوديوم المدمص (SAR) والنسبة المئوية للصوديوم المتبادل (ESP) بشكل واضح عند تطبيق مستوى عالي من حمض الهيوميك مع مياه الري.
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ما هي التوصيات التي يمكن استخلاصها من هذه الدراسة؟
توصي الدراسة باستخدام حمض الهيوميك والجبس كمحسنات للترب المروية بمياه مالحة لتحسين خواص التربة وتقليل تراكم الأملاح، مع ضرورة تطبيق معامل غسيل مناسب لتحقيق أفضل النتائج.
References used
6- Shaaban, M. Abid, M. Abou-Shanab, R.A.I. 2013- Amelioration of salt affected soils in rice paddy systemby application of organic and inorganic amendments. Journal Plant Soil Environ. Vol. 59, 2013, No. 5: 227–233.
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An experiment was carried out under the conditions of the green house at the Faculty of Agriculture, University of Aleppo, in order to determine the effect of both gypsum and humic acid on the total porosity and pH of irrigated soils by saline water
and wheat yield. The experiment was designed in a split-spilt dissection method, with the main sections comprising three levels of irrigation water salinity (W1:0, W2:3, W3:6 g-1 NaCl). Three levels of gypsum were mixed with soil: (G1:0, G2:25, G3:50 g). Three levels of humic acid were added with irrigation water (H3:48, H2:24, H1:0 kg/h). The coefficient Leaching with irrigation water for W3 and W2 was applied at %10 and %20 of the field capacity, respectively.
The results confirmed the effective role of gypsum in mitigating the effect of sodcity in Structure soil damage, and this was reflected by the increase in total porosity values in G3. The results indicated a decrease in pH values within the W3 level of irrigation saline water compared with W2. The results showed the significant role of the gypsum in pH reduction as opposed to that of humic acid. The role of humic acid, especially the H3 level, was evident in increasing the yield and weight of 1000 grains for the wheat, while the G2 level of gypsum was superior in yield. The results showed that the W1 yield was better than W2 and W3.
An experiment was carried out under the conditions of the green house at the Faculty of Agriculture, University of Aleppo. The aim of research is determine the effect of the addition of humic acid to the irrigated soils by saline water in their organ
ic carbon content and the yield of the wheat crop. The experiment was designed in a split-spilt dissection method. The main sections comprising three levels of irrigation water salinity (W1:0, W2:3, W3:6 g-1 NaCl). Three levels of gypsum were mixed with soil: (G1:0, G2:25, G3:50 g). Three levels of humic acid were added with irrigation water (H3:48, H2:24, H1:0 kg/h). The coefficient Leaching with irrigation water for W3 and W2 was applied at %10 and %20 of the field capacity, respectively.
The results showed that the addition of humic acid contributed to the increase in the stock of organic carbon. The highest percentage of organic matter (2.70%) was found in the deep layer (W3G3H3), while the lowest ratio was (1.41%) in the surface layer of treatment (W3G2H1). The role of humic acid, especially at the level of H3, was clearly demonstrated in increasing the productivity and weight of the 1000 grains for the wheat crop. The study confirmed the role of the leaching factor in the organic carbon losses of the soil, where organic carbon was losses (%26.31) with leaching factor 10%, where the losses (%44.74) with leaching factor was 20%.
A column experiment was carried out under the conditions of the laboratory of colloids and clay minerals at the Faculty of Agricultural Engineering at the University of Aleppo, in order to know the effect caused by the magnetization of irrigation wat
er on the chemical properties of soils irrigated with water of different salinity. The experiment was carried out on the Kskeis soil, located east of Aleppo city, and it was irrigated with three types of water of different salinity (Furat - Rasm Al-Hamis - Mishrifat Al-Zakiya). With irrigated water, the irrigation process was carried out with ten irrigations. The results indicated that the magnetization of showing off water reached its value, reached its value, reached its value, reached its value when magnetized. dS.m-1) was 4.05, while at the non-magnetized (dS.m-1) 3.7, the values of the sorbent sodium rate SAR were affected by the accumulation of salts in the subsurface layer of the studied treatments included in the study. The values of the rate of sodium adsorption SAR were also affected by the accumulation of salts in the subsurface layer of the studied treatments included in the study, and the magnetization of water contributed to the reduction of SAR values. 1.57, while it reached 1.93 in the same treatment irrigated with non-magnetized water.
The research was conducted in order to study the effect of irrigation with sulfuric saline water on some major soil properties and maize production
The flood irrigation process was carried out with four treatments: Treatment of witness was irrigated
with fresh water, treatment No. (1) was irrigated with sulfuric saline water according to the standardized maize irrigation, and treatment No. (2) was also irrigated with salty sulfur water standardized for maize irrigation + 20% washing rate, and treatment No. (3) was irrigated with water Sulfur saline according to maize irrigation standard + 30% washing rate,The results of the study showed that there was a slight significant difference between the four treatments in terms of the apparent and real density, while there were clear significant differences between the treatments in terms of ESP%, EC and carbonates with depth, and this was the result of washing salts with the excess amount of irrigation water used for washing. The results also show that treatment No. (3) was the best of germination percentage and productivity, while treatment No. (1) achieved the lowest germination and productivity(Fresh maize cobs yield with wrappers) , as the readings were as follows: The percentage of germination in the witness was 95%, in treatment (1) 90%, and in treatment (2) 95% and in treatment (3) 97%, while the productivity was in the witness 32.4 tons / ha and in treatment (1) 30.25 tons / ha and in treatment (2) 33.6 tons / ha and in treatment (3) 39.037 tons / ha. This indicates that irrigation with sulfuric saline water according to (water ration for maize + 30% washing) achieved the best results, as the economic feasibility of using sulfuric saline water was achieved by obtaining good production, providing fresh water and preserving the major properties of the soil.
The effect of clay soil treatment with two levels of tobacco west compost and
organic fertilizer (15 and 30 ton/ h), in addition to mineral fertilizer treatment, with three
replicates of each treatment on some physical properties (Aggregate size di
stribution, main
weight diameter, bulk density and porosity) and chemical properties (Organic carbon,
humic and volvic acid and humification index for big and small soil aggregates was
studied.
The results showed that tobacco west compost and organic fertilizer were effective in
increment of soil content of organic carbon, which reached (20 and 26%) for organic
fertilizer, and (39 and 45%) for compost compared to the control, conducing to ameliorate
soil physical properties, where The main weight diameter, stable aggregate rate and soil
porosity were increased. Whereas, bulk density decreased significantly in both treatments
compared to the control. Compost treatment affect soil physical properties more than
organic fertilizer.Mineral fertilizer decreased soil content of organic carbon compared to
the control.
Humic and volvic acids contents were between 2.12 and 74.3 mg/kg aggregates in
the control,and compost treatments alternatively in macro aggregates (> 2mm). Wile,
volvic acid values were between 0.93 mg/kg in control for small aggregates (< 0.25), and
3.17 mg/kg aggregates in mineral fertilizer treatment for (0.25 – 2) aggregates.
Humification index values were less than 2 in macro aggregates, while it was bigger than 2
in small aggregates.
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