Study the Farmer’s Adoption of Agricultural Recommendations Regarding Date Palm in Wadi Al-Jah, Yemen

Ali Hassan Obaid Khalil*(1)

(1). Agricultural Extension and Economic Department, Faculty of Agriculture, Ibb University, Yemen.

(*Corresponding author: Dr. Ali Hassan Obaid Khalil. E-mail:

Received: 12/05/2019                                Accepted: 11/06/2019


This study aimed to describe the socio-demographic characteristics of palm date famers in Wadi Al-Jah district in Hodeida Governorate of Yemen, also, to evaluate to which extent the farmers applied the agricultural recommendations in order to increase the palm date production in the studied area. The total number of the respondent was 44 farmers who were selected randomly. A questionnaire was designed in order to fulfil the objectives of the study. The findings of study outlined that 100% farmers were not applying new techniques related to irrigation practices, 100% of them do not know an optimal quantity of irrigation water for the date palm cultivation, 97.3% were not fertilizing their date palm neither bio-fertilizers nor chemical, 80% were not practicing the recommended plant spacing and 85% were not practicing the fruit thinning. Regarding the diseases and pests of the date palm, the study also reported that 77.3% of the respondents indicated that the lesser date moth (Alhumara) was found as the first disease that affected their farms, 52.3 % were affected by the Frond borer. Moreover, the third pest is the Amitermis desertorium which the study indicated that the percentage of the infection was 29.5% of the respondents.  In addition, the study revealed that 100% of farmers were not chemically treating the offshoots before planting.

Keywords: Date palm, Adoption of agricultural recommendations, Yemen.

Full paper in Arabic: PDF

Productivity Evaluation of Three Introduced Quinoa Varieties under Central Highlands Conditions in Yemen

Mohammed Yaha Daws*(1) and Ahmed AL-Moallem(2)

(1). Central Highlands Regional Agricultural Research Station, Yemen.

(2). Northern Highlands Agricultural Research Station. Yemen. 

(*Corresponding author: Eng. Mohammed Dows. Email:

Received: 13/11/2017                              Accepted: 25/12/2017


The experiment was conducted at the Research Station of Middle Heights, during 2014 and 2015 seasons. Three varieties of Quinoa were used i.e. Ames 13762, NSL 106398 and Ames 137, which were introduced from International Center for Bio Saline Agriculture (ICBA), and they were selected out of five varieties that were grown as observation lines in 2013, to get one variety, high forage and grain yields, also suitable for the local conditions. RCBD design with four replications was used. The traits that were studied were: Earliness, plant height, flowering at 50%, green forage, grain and dry matter yields. Results indicated that there were highly significant (p≤0.01) differences between seasons and varieties in respect to plant height, green forage, dry matter and grain yields. While, no significant effect for the interaction between varieties and seasons overall growth performances. Results indicated that seasons have significant effects on the green forage, grain and dry matter yields at p≤0.01 and p≤0.05. Ames 137 variety produced significantly higher green forage yield (58.88 t/ha) compared with NSL 106398 (37.13 t/ha) and Ames 13762 (50.38 t/ha) and has superiority in dry matter yield (23.75 t/ha) on same varieties, which recorded 15.13 and 19.50 t/ha respectively, and followed by NSL 106398. Results also showed high significant effect of the seasons on plant height, green forage, grain and dry matter yields. Season 2014 was the best, which recorded (151  cm), (52.33 t/ha), (1.6t/ha) and (20.83  t/ha) respectively, compared with 2015 season. Ames 137 variety has gained the highest degrees for animal receptiveness and farmer’s evaluation. The study recommended to use Ames 13762 for grain production, and Ames 137 for forage production.

Key words: Productivity traits, Quinoa varieties, Yemen.

Full paper in Arabic: PDF

First Record of Two Beetle Species of Mesquite Trees Prosopis juliflora (Sw) D.C. in Yemen

Ismail Abdullah Muharram*(1) Mohammed Saleh Al-Nossari(1) and Ahmed Mohammed Sallam(2)

(1).  Agricultural Research and Extension Authority (AREA), Yemen.
(2). Nasser Faculty of Agriculture, Aden University, Yemen.
(*Corresponding author: Dr. Ismail Abdullah Muharram. Email:

Received: 18/02/2017                           Accepted: 06/05/2017


Mesquite trees Prosopis juliflora (Sw) D.C. are wide spread in different countries of the world including Yemen, and occupied the fertile and marginal lands. However, the areas of this plant are increasing rapidly in Yemen. Mesquite trees are a host for large number of insects, which can be used to reduce the spread of the trees, and control it within an integrated management system, including the insects that feed on the seeds and pods of this plant. This study was carried out during 2004-2005 seasons, in Tehama, Lahje, and Abian where the trees of Mesquite are spread widely. The collection of mature pods of these trees were put in the insects breeding boxes. In this manuscript four insects species were identified, which belong to Coleoptera order as follow:  Algarobius prosopis (LeConts); Caryedon near serratus (Olivier); Bruchidius andrewesi (Pic) that belong to Bruchidae family; and lasioderma serricorne (Fabricius) which belongs to Anobiidae family.  Two species were recorded for the first time in Yemen, Caryedon serratus (Olivier), and Bruchidius andrewesi (Pic), but, the others species were well known in Yemen, as pests on different crops including prosopis.

Key words: Mesquite trees, Algarobius prosopis, Caryedon near serratus, Lasioderma serricorne, Bruchidius andrewesi, Yemen.

Full paper in English: First Record of Two Beetle Species of Mesquite Trees Prosopis juliflora (Sw) D.C. in Yemen

Survey of Pastoral and Natural Plants and Factors Affected it’s Development in Dhamar Governorate (Central Highlands) in Yemen

Mohammed M.Y. Dows*(1) Ahmed A. Dows(1) Amin Al-kirshi(1) Saleh Mouthana(2) and Karemah Rajeh(3)

(1). Central Highlands Agricultural Research Station, Yemen.                                           (2). Renewable Natural Resource Center, Yemen.                                                             (3). Agricultural Extension Office. Yemen.                                                           (*Corresponding author: Dr. Mohammed M.Y. Dows. E-Mail:

Received: 29/10/ 2016                           Accepted: 31/01/ 2017


The study was carried out on the territory of natural pastures of Al-Manar Directorate in Dhamar province/Yemen, in summer season of 2013 and 2014, to determine the prevalent pastoral cover, and causes of its deterioration, also to identify the most widespread pastoral plant species, especially the promising ones, and to study the factors that affecting its development. The study relied on a descriptive and analytical approach to describe the phenomenon and to identify its causes. The interviews, direct observation, and visits were used, in addition to the topographic maps and satellite images, besides the climate because of its significant impact on the vegetation cover, were used. The prevailing vegetation community was identified with the help of box method, depending on the relative importance of the pastoral plants. Results indicated that the most important plant communities were of grass plant (Cynodonsche nanthus), Juniper plant (Artemisia campestris), Acacia plants (Acacia Spp), and Seder plant (Zizaphus Spp). The results of the quantitative study showed that the overall average of plant cover was 59.03%, this means that 40.97% of the surveyed sites, free of vegetation, which indicates that the region is suffering from the deterioration in the natural vegetation cover, probably due to two fundamental factors, first was the environmental issue such as the lack of rain, and the second was due to increase of human population, unjust logging and grazing, scarcity of  legislation, and low level of awareness of the importance of vegetation cover and pastures, this leads to the absence of most pastoral plants. The study examined the promising pastoral plants, which consider the most important pillars of the program and plans for the repair of degraded rangelands. The study concluded the need to promote and develop the pastoral land, and to replant the appropriate pastoral vegetation cover of the region, also increase its productivity, and management with the help of the proper methods.

Keywords: Natural plants, Pastoral cover, promising plants, Yemen.

Full paper in Arabic: Survey of Pastoral and Natural Plants and Factors Affected it’s Development in Dhamar Governorate (Central Highlands) in Yemen

The Effect of Improved Technology Package on Alfalfa Productivity to Face Climate Changes under Central Highlands Conditions in Yemen

Mohammed M. Dows*(1) Ahmad AL-Mowlem(2) Abdullah alloan(3)  and Nadia Al solymany(4)

(1). Central  Highlands Regional Agricultural  Research Station, Yemen.
(2). Northern Highlands Agricultural Research Station. Yemen.
(3). Agricultural Research & Extension Authority. Yemen.
(4). General Administration for technology transfer, Agricultural Research and Extension Authority, Yemen.

(* Corresponding author: Eng. Mohammed M. Dows, Email:

Received: 07/05/ 2016                                     Accepted: 19/06/ 2016


Study has been carried out in three different environmental areas of Central Highlands in Yemen (Bait Rashed, Wasitah, and Bait Al-Nhmi), during 2013/2014 season. Alfalfa  local cultivar (Koly) was cultivated in three locations of each area. The improved technology package added was: 80 kg/h super phosphate P2O5 48% , 60 kg/h of Urea N 46% and 20 kg/h seed. Whereas the farmer practice was (seed rate of 15 kg/ha and without fertilizing). Randomized Completely Block Design (RCBD) was used with three replications per location. Results revealed that improved technology packages significantly (P≤0.01) enhanced values of: Plant height, tillers per plant, number of days to cut, and forage yield, with the percentage of 87.04%, 85.5%, 8.9%, and 147.4% , respectively over the control. Improved technology package got a high degree evaluation from the farmers in all locations with 66% over the control. Economic analysis showed that the application of improved techniques can make a net return of about 560.316 YR /ha, which reveals an increase of 365.830 YR /ha in revenue compared to the control.

Key words: Technology package, Alfalfa productivity, Climate changes, Revenue, Farmer evaluation, Yemen.

Full paper in Arabic:أثر حزم التقنيات المحسنة في إنتاجية محصول البرسيم لمواجهة التغيرات المناخية تحت ظروف المرتفعات الوسطى في اليمن