Tag Archives: Zeolite

Effectiveness of Kaolin, Silica and Zeolite Dusts Against Cowpea Beetle Callosobruchus maculatus (F.) Under Laboratory Conditions

Ziad Chikh-Khamis(1) Ebraheem Al-Jouri*(2) and Rehab Esber(1)

(1). Plant Protection Department, Agricultural Engineering Faculty, Al-Baath University, Homs, Syria.

(2)  . Insect Research Department, Plant Protection Research Administration, General Commission for Scientific Agricultural Research (GCSAR), Damascus, Syria.

(*Corresponding author: Dr. Ebraheem Al-Jouri. E-mail: e-jouri@gcsar.gov.com and ejouri73@gmail.com).

Received: 13/08/2018                                Accepted: 30/01/2019

Abstract

Three types of inert dusts i.e. Kaolin, Silica and Zeolite, was tested against cowpea seed beetle Callosobruchus maculatus (F.) (Coleoptera, Bruchidae) adults at five concentrations viz. 5, 10, 20, 40 and 80 g/kg cowpea seeds. The study was carried out at Biotechnology Research Center, Al-baath University.  mortality rates were calculated after 72 hours and effectiveness to reduce loss of seed weight damage rate and the reduction of adult emergence were calculated. The results showed the effectiveness of three dusts in increasing mortality rates with superiority to Kaolin which increased by 85.49% and with significant deference P≥0.01 compared to both dusts Silica 81.72% and Zeolite 82.93%, and the effectiveness increased with increasing the concentration. The maximum value was 85.58% at a concentration of 80 g/kg and the lowest value was 76.36% at a concentration of 5 g/kg. The relationship was positive between increasing concentration and increasing effectiveness of dusts in reducing seed loss, damage ratio and adult emergence, where the effectiveness at a concentration of 5 g/kg were 88.11, 88.59 and 89.07% respectively, and the effectiveness increased at a concentration of 80 g/kg were 98.54 and 98.14 and 98.28% respectively. Kaolin dust was superior over Silica and Zeolite where Kaolin effectiveness in reducing weight loss, damage and adult emergence were 99.71, 99.70 and 99.77%, respectively, while it was 87.06, 87.76 and 86.56%, respectively in case of Zeolite. The results of the study showed that Kaolin dust is the most effectiveness compared to Silca and Zeolite against Cowpea seed beetle.

Keywords: Kaolin, Silica, Zeolite, Cowpea seed beetle, Callosobruchus maculatus.

Full Paper in Arabic: PDF

Phosphate Adsorption from Aqueous Solutions by Syrian Zeolitic Ore:  Kinetic Study

Zyad Hatem*(1) Leila Habib(1) and Mohammad Ghafar (2)

(1). Department of Water and Soil Sciences, Faculty of Agriculture, Tishreen University, Latakia, Syria.

(2). Department of Environmental Chemistry, High Institute of Environmental Researches, Tishreen University, Latakia, Syria.

* (Corresponding author: Zyad Hatem. E-Mail: zyad.s.hat@gmail.com).

Received: 11/09/2017                                Accepted: 29/10/2017

Abstract

Kinetic study aimed to describe the performance of natural Syrian zeolitic ore (NSZO) for Phosphate (P) adsorption from aqueous solutions, and the contribution of NSZO components on P- adsorption. Obtained results demonstrated that parameter derived from kinetic models predicted two accompanied mechanisms affected P- adsorption: Intraparticle diffusion mechanism in presence of film diffusion. Besides, carbonate removal promoted P- adsorption more than 40 % comparing with the sample removed carbonate and oxides, this led to fact that the efficiency of NSZO in P adsorption belongs to iron oxides coatings zeolite particles, and it explains the decrease of adsorbed P in samples removed from Fe oxides and carbonate components.

Keywords: Phosphate removal, Zeolite, Kinetics, Purification, Intraparticle diffusion.

Full paper in English: PDF

Zeolite Effect on Two Saline Alkaline Soils and the Productivity of Some Forage Crops under Deir Azzor Governorate Conditions

Zeolite Effect on Two Saline Alkaline Soils and the Productivity of Some Forage Crops under Deir Azzor Governorate Conditions

Arij Khuder*(1) Awadis Arslan(2) and Omar Abdulrazzak(3)

(1). The General Commission for Scientific Research
(2). The Higher Commission for Scientific Research
(3). Department of soil and soil reclamation/Faculty of Agriculture DeirAzzor.
(*Corresponding author: Dr. Arij Khuder. Email: areejalkeder@gmail.com).

Received: 20/04/2016                           Accepted: 24/05/2016

Abstract

Two forage crops sorghum and barley were sown within crop rotation to study the effect of zeolite on two saline alkaline soils, in two soils differ in salinity where the ECe values of (7.92 and 14.91)  dS/m for the first and second soils, respectively. The experiment was conducted at the Third Location of Almrieih, Agricultural Research Center in Euphrates Basin, Deir Ezzor/Syria. Zeolite was added in two rates (20 and 30 t/ha) besides the control (no addition), using Randomized Complete Block Design RCBD, with three replicates. The results obtained by the end of 2009/2010 season showed a reduction in soils salinity under the effect of adding zeolite. The application of zeolite 30 t/ha was superior in ECe reduction, where it reached 15 and 23% compared with control for medium and high salinity soils, respectively that cultivated with sorghum. The reduction rates for the soils cultivated with barley were 18.8 and 17.89% for medium and high salinity soils, respectively. Also there was a reduction in the pH and the concentration of ions in the soil extracts. The analysis showed positive improvement in soil physicist, chemical and fertility characters because of zeolite addition, such as ESP reduction, which it reached 35.48 and 28.40 % compared with control for medium and high salinity soils, respectively cultivated with sorghum. The reduction rates for the soils cultivated with barley were 44.84 and 35.73% for medium and high salinity soils, respectively. The results exhibited an increase in the productivity of fresh and dry weight of sorghum and grain yield of barley, as a result of zeolite addition, where the increase in yield for medium salinity soil was double than that of high salinity soil. The addition of zeolite of 30 t/ha was significantly superior over the other treatment and the control.

Keywords: Zeolite, Barley, Sorghum, Soil salinity and alkalinity, Forage productivity, Grain yield.

Full paper in Arabic: Zeolite Effect on Two Saline Alkaline Soils and the Productivity of Some Forage Crops under Deir Azzor Governorate Conditions

The Effect of Natural Syrian Zeolite on the Availability of Some Minerals in the Soil and Productivity of Wheat and Cotton in Gypsum Soils

Helal Gayerly(1) Samer Bregle(1) Muhamad Manhal Al Zubi*(1) Yahya Ramadan(2) Khaled Al Shebli(2) Amira Al Hafez(2) and Mayada Fattoum(2)

(1). Natural Resources Research Administration, General Commission for Scientific Agricultural Research (GCSAR), Damascus, Syria.
(2). Agricultural Research Center in Al Raqqa, GCSAR, Al Raqqa, Syria.

(*Corresponding author:Dr. Muhamad Manhal Al Zubi, Natural Resources Research Administration, General Commission for Scientific Agricultural Research (GCSAR), Damascus, Syria. E-Mail: manhalzo@yahoo.com. Mobile phone: 00963933334783, Fax: 00963112121460).

Received: 15/03/ 2015                                     Accepted: 06/05/ 2015

Abstract:

This study aimed to determine the impact of Syrian Zeolite on some soil properties and productivity of wheat and cotton crops, which is planted in the gypsum soil at Beer Alhashem Research Station, Al-Raqa Agricultural Research Center, General commission for Scientific Agricultural Research (GCSAR), Syria, begins from 2006 to 2010 seasons. Completely randomized block design was used with three replicates. The addition rates of zeolite were: (ZEO1)  at a rate of 90 m3/ha, (ZEO2) at a rate of 180 m3/ha, (ZEO3)  at a rate of  270 m3/ha, (ZEO4) at a rate of  360 m3/ha, (ZEO5)  at a rate of 450 m3/ha, and control without zeolite. Wheat variety (Bouhoth 6), and cotton variety (Raqaa5) were cultivated in a cropping rotation. The fertilizers were added according to the Ministry of Agriculture and Agrarian Reform (MOAAR) recommendations. Soil, and zeolite were analyzed before cultivation. The results showed significant increment in the productivity of cotton with the increase in adding zeolite in third season (ZEO5treatment, which produced 2.42 ton/ha), also in the fourth season (ZEO3, and ZEO4treatments, which produced 3.23and 3.08 ton/ha, respectively). The results also clarified in wheat experiment, that ZEO1treatment gave the best production as compared with other treatments in all seasons (3.5, 4.57, 5.4, 2.79 ton grains/ha, respectively). The increase in wheat productivity was noticed in all zeolite treatments as compared with control in most seasons, and the addition of zeolite 90 m3/ha in wheat experiment was the best as compared with the other zeolite treatments, but the productivity of ZEO5treatment was less as compared with other zeolite treatments. It was noticed a significant increment in mineral nitrogen, available phosphorus and available potassium with the addition of zeolite in the soil after harvesting.

Keywords: Zeolite, Soil fertility, Gypsum lands, Wheat, Cotton.

Full paper in Arabic: تأثير خام الزيوليت الطبيعي السوري على إتاحة بعض العناصر المغذية في التربة وعلى إنتاجية محصولي القمح والقطن في الأراضي الجبسية