Effect of micro sprinkler irrigation intervals on onion (Allium cepa L.) production compared to surface irrigation under Kassala conditions, Sudan

An experiment was conducted to evaluate the effects of surface and micro sprinkler irrigation intervals on onion production under Kassala conditions. Three irrigation intervals were applied under micro sprinkler irrigation; every day, three days and at five days compared to farmers practice, (surface irrigation every 7 days). The treatments were replicated four times in a randomized complete block design. The results showed that higher yields were produced under micro sprinkler irrigation than surface irrigation. Moreover, micro sprinkler every day recorded the highest yield in both seasons. Therefore, micro sprinkler irrigation system was saving water by about 119% and 101% for seasons one and two, respectively, as compared to surface irrigation. The highest values of water productivity and economic water productivity were obtained under micro sprinkler irrigation system every day as compared to surface irrigation. Irrigation every day under micro- sprinkler irrigation was the most economic and had higher net benefit compared to surface irrigation.      اجريت التجربة لتقييم أداء الري السطحي و فترات الري بالرش الدقيق لإنتاج البصل تحت ظروف كسلا. تم تطبيق ثلاث فترات ري تحت الري بالرش الدقيق على النحو التالي: كل يوم وثلاثة أيام وخمسة أيام مقارنة بممارسات المزارعين (الري السطحي) كل 7 أيام. تم تكرار المعاملات أربع مرات في تصميم القطاعات العشوائية الكاملة. أظهرت النتائج أن أعلى انتاجية كانت تحت الري بالرش الدقيق مقارنة مع الري السطحي. وعلاوة على ذلك، سجل الري بالرش الدقيق كل يوم أعلى انتاجية في الموسمين. نظام الري بالرش الدقيق وفر مياه الري بنسبة 119٪ و 101٪ للموسم الأول والثاني، على التوالي مقارنة بالري السطحي. وقد تم الحصول علی أعلی قیمة لإنتاجية المیاه وإنتاجیة المیاه الاقتصادیة تحت نظام الري بالرش الدقيق کل یوم مقارنة بالري السطحي. الري يوميا تحت الري بالرش الدقيق هو الأكثر اقتصادا وله صافي فائدة أعلى مقارنة بالري السطحي. &nbsp

Effect of Water Harvesting Techniqueson Soil Properties in the South Omdurman Area- Sudan

Abstract%253A This study was conducted at Khartoum New International Airport, South Omdurman area, Khartoum State, Sudan. A complete randomized block design was followed to study the effect of Holes and Crescents water harvesting techniques on the soil moisture content soil sample were taken prior and immediately after rains and at three weeks intervals. The results indicated that the Holes and Crescents water harvesting techniques affected positively some soil physical properties especially at the upper soil layer (0 ndash%253B 30 cm) which was subjected to excavation by a loader. These soil properties included porosity, field capacity and infiltration rate as they have direct influence on the soil moisture content. The Holes water harvesting techniques showed an increase of 15%25 in soil moisture content resulting in better improvement of the soil physical properties as compared to the Crescents water harvesting techniques, hence the farmer techniques recommended for adoptio

Effect of Fertilizing Method, Silt Soil, and Application of Effective Microorganism on Growth and Yield of Tomato (Lycopersicon esculentum) in a Greenhouse

The experiment was conducted on a private farm at Northern Elselait Scheme, Khartoum State, Sudan to study the effect of fertilization method, soil type, and microorganism application on the growth and yield of tomatoes crop op under greenhouse conditions. Silt soil and two types of fertilizing units (injector and by-pass) were used for applying effective microorganisms (EM) in two levels (0 and 12 L%252Fha), at fortnight intervals after 45 days to 90 days from planting. A split-plot design was used with three replications. The data collected were%253A plant height, number of leaves, stem diameter, number of flowers, number of fruits, and weight of fruits per plant. . The production indicators showed that tomato crop agronomic parameters were significantly (P le%253B 0.05) affected by the method of fertigation and application of effective microorganisms. A mean yield of 5.4 tons per hectare of plants grown on silt soil and fertilized with effective microorganisms (EM) using an injector fertilizing unit, when fertilization was done by a by-pass fertilizer system applying effective microorganisms (EM) gave a yield of 4.6 ton%252Fha and yield ton per hectare of silt soil fertilized by injector fertilizer with non-applied effective microorganisms (EM0) was 7.3 ton%252Fha, while with silt soil fertilized by a by-pass fertilizer unit with non-applied effective microorganisms (EM0) it was 5.5 ton%252Fha

OPTIMIZING WATER PRODUCTIVITY, YIELD AND QUALITY OF GRAPEFRUIT IRRIGATED BY BUBBLER AND SURFACE IRRIGATION UNDER KHARTOUM STATE SUDAN CONDITIONS

The experiment was carried out in the private orchards at Tayba Alhasnab area ofsouth Khartoum State, in Sudan during 2012 and 2013 to evaluate the waterproductivity, yield and quality of foster grapefruit irrigated by bubbler and surfaceirrigation system. Irrigation interval was 5 days in bubbler irrigation system andevery 7 to12 days in surface irrigation system depending on the prevailing weatherconditions. The results revealed that higher yield and number of fruits was obtainedon bubbler irrigation system compared to surface irrigation system. Moreover,bubbler irrigation system increased the total yield of foster grapefruit by 28% and25%, respectively as compared to surface irrigation system. Applying irrigatedwater under bubbler irrigation system improved the quality parameters of fostergrapefruit such as fruit diameter recorded significant differences on bubblerirrigation system compared with surface irrigation system in both years, fruitweight and peel thickness recorded significant differences (P≤0.001) betweenbubbler irrigation system and surface irrigation system on finger weight, but ondifferences in peel thickness in both years, total soluble solids of foster grapefruitirrigated by bubbler irrigation system were significantly higher (P≤ 0.001)compared with surface irrigation system in both years.However, bubbler irrigation system saved irrigation water by 68% and 71% andhad highest water productivity (2.9 and 2.7 kg/m3) compared to surface irrigationsystem (0.67 and 0.68 kg/m3). Also highest marginal rate of return was obtainedwith bubbler irrigation system compared to surface irrigation

Effect of planting methods and drip irrigation intervals on onion (Allium cepa L.) yield under silt-loamy soil, Kassala State, Sudan

The objective of this research work was to investigate the effects of planting methods and drip irrigation intervals on onion yield under silt-loamy soil. An experiment was conducted for two consecutive seasons (2014/15 and 2015/16). The experiment was composed of planting methods and drip irrigation intervals. The planting methods were flat, ridge and bed planting, whereas drip irrigation intervals were daily, every 3 days and every 5 days. The nine treatments were randomly laid out in a split-plot design with three replicates, the main plots were irrigation intervals and the subplots were allotted to planting methods. The calculated total water requirement for onion crop was 8113 and 7633 m3/ha in the first and second seasons, respectively. The results showed that the combination of flat planting and daily irrigation produced significantly the highest bulb weight (218.4g), marketable yield (43.8ton/ha) and highest total yield (46.6 ton/ha). The results revealed that flat planting and daily irrigation was the most economical combination for producing onion crop in Kassala state.            الهدف الرئيسي من هذه الدراسة هو دراسة تأثير طرق الزراعة وفترات الري بالتنقيط على نمو وانتاجية البصل تحت التربة الطميية في كسلا لموسمين متتاليين  ( 2014/15و(16/2015. تتكون التجربة من عاملين هما طريقة الزراعة وفترات الري بالتنقيط. طرق الزراعة هي احواض مسطحة، سراب وزراعة في مساطب، في حين كانت فترات الري بالتنقيط يوميا و3 أيام و 5 أيام. التسع معاملات وزعت عشوائيا في تصميم القطع المنشقة بثلاث مكررات، حيث وضعت فترات الري في الأحواض الرئيسية وطرق الزراعة في الأحواض الفرعية.  أظهرت النتائج أن طريقة الزراعة في احواض مسطحة مع الري اليومي اعطت أعلى وزن للبصلة مقارنة مع الزراعة في سراب ومساطب. تم الحصول على أعلى انتاجية تسويقية باستخدام الزراعة في احواض مسطحة والري اليومي. اثبتت النتائج ان الزراعة في احواض مسطحة والري بالتنقيط اليومي هي المعاملة الاقتصادية الاجدي لإنتاج محصول البصل في التربة الطميية في كسلا. وفقا للنتائج فإن أفضل طريقة لإنتاج البصل في كسلا هي باستخدام  الزراعة في احواض مسطحة والري اليومي. &nbsp