Tag Archives: Soil fertility

The Effect of Different Types of Organic Fertilizers on Some Soil Properties and Olive Trees Productivity in Homes Province, Syria

Dima AlSaid(1) Nisreen Nikedly(2) Nabila Kredi(1) Malak Jzaeirly(1) Huda Masalati(2) Salwa Wabeh(2) Lama AlZein(2) Bushra Khozam(2) and Muhammad Manhal AlZoubi*(1)

(1). Natural Resources Administration, General Commission for Scientific Agricultural Research (GCSAR), Damascus, Syria.

(2). Agricultural Research Center of Homs, GCSAR, Damascus, Syria.

(*Corresponding author: Dr. Muhammad Manhal Al Zoubi. E-Mail: manhalzo@yahoo.com).

Received: 13/07/2017                                Accepted: 01/10/2017

Abstract

The effect of organic fertilizers (sheep manure, cow manure and olive residue compost) on some soil properties and olive productivity was studied at Homs Scientific Agriculture Research Center, General Commission for Agricultural Scientific Research (GCSAR)/Syria during the seasons 2013, 2014 and 2015. The experiment was designed on the basis of completely randomized block design (RCBD), with five treatments (control, cow manure, sheep manure, olive residue compost and mineral fertilizers), with three replicates. The organic fertilizers were added according to total nitrogen analysis of the organic fertilizers, also, depending on the mineral nitrogen analysis in the soil and the recommendations of Ministry of Agriculture. The results showed an increase in soil organic matter and soil total nitrogen in all treatments amended with organic fertilizers compared to the control. Meanwhile soil total nitrogen was significantly increased in treatment amended with olive residue compost compared to treatment amended with mineral fertilizers. Also, significant difference was noticed in soil available phosphorus in treatments amended with cow manure and sheep manure compared to the control, and in treatment amended with sheep manure compared to mineral fertilizers. Also, available potassium was significantly increased in treatment amended with sheep manure compared to the control. Furthermore, results showed significant differences in oil productivity of cow manure treatment (14.77%) compared to the control (11.27%). According to the yield average of the three seasons, it is concluded a significant increase in olive productivity (4.74, 0.29 and 12.16 ton/ha) respectively in treatment amended with sheep manure compared with the control (1.19, 0.013 and 5.65 ton/ha) respectively.

Key wards: Organic manure, Soil fertility, Olive residue compost.

Full paper in Arabic: PDF

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