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Effect of the potassium fertilization on the technological and productive properties of two varieties of sugar beet in AL-Gab area

أثر التسميد البوتاسي في الخصائص التكنولوجية و الإنتاجية لصنفين من الشوندر السكري (سوبريما، د.س 9004) في ظروف منطقة الغاب

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 Publication date 2013
and research's language is العربية
 Created by Shamra Editor




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This research was carried out at the Agricultural Scientific Research Center in AL-Gab during 2009-2010 and 2010-2011 seasons in fall. The experiment was laid according to split plot design with three replicates, to study the effect of potassium fertilization on the technological and productive properties of two varieties of sugar beet (Suprima, D.S. 9004) in AL-Gab area. Four levels of potassium fertilization (0-120-170-220 kg K2O/h) were used. The results showed that the addition of potassium fertilization significantly improved the qualitative and quantitative properties of sugar beet. The higher sucrose (%), yield of root (ton/h) and white sucrose (ton/h) were at the potassium level 170 Kg K2O/h which reached 16.18%, 83.02 ton/h and 11.65 ton/h respectively.


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Research summary
تناول البحث دراسة أثر التسميد البوتاسي على الخصائص التكنولوجية والإنتاجية لصنفين من الشوندر السكري (سويريما ود.س 9004) في منطقة الغاب. تم تنفيذ التجربة في مركز البحوث العلمية الزراعية في الغاب خلال الموسمين الزراعيين 2009-2010 و2010-2011 باستخدام تصميم القطع المنشقة مع ثلاثة مكررات. استخدمت أربعة مستويات من السماد البوتاسي (0، 120، 170، 220 كغ K2O/هـ). أظهرت النتائج أن إضافة السماد البوتاسي أدت إلى تحسين معنوي في الخصائص التكنولوجية والإنتاجية للشوندر السكري، حيث تم الحصول على أعلى نسبة سكر في الجذور (16.18%)، وأعلى إنتاجية من الجذور (83.02 طن/هـ)، وأعلى غلة من السكر الأبيض (11.65 طن/هـ) عند مستوى التسميد 170 كغ K2O/هـ. توصل البحث إلى أن التسميد البوتاسي بمعدل 170 كغ K2O/هـ هو الأمثل للحصول على أفضل إنتاجية وخصائص تكنولوجية للشوندر السكري في منطقة الغاب. كما أوصى البحث بزراعة الأصناف وحيدة الجنين نظراً لتفوقها في الخصائص التكنولوجية ومقاومتها للأمراض.
Critical review
دراسة نقدية: على الرغم من أن البحث قدم نتائج هامة حول تأثير التسميد البوتاسي على الشوندر السكري، إلا أنه كان من الممكن توسيع نطاق الدراسة لتشمل مناطق أخرى ذات ظروف مناخية وتربوية مختلفة للتحقق من عمومية النتائج. كما أن الدراسة لم تتناول تأثير التسميد البوتاسي على الجوانب الاقتصادية مثل تكلفة الإنتاج والعائد الاقتصادي، وهو ما يمكن أن يكون مفيداً للمزارعين وصناع القرار. بالإضافة إلى ذلك، كان من الممكن تضمين تحليل أعمق لتفاعل البوتاسيوم مع العناصر الغذائية الأخرى في التربة وتأثير ذلك على نمو وإنتاجية الشوندر السكري.
Questions related to the research
  1. ما هو الهدف الرئيسي من البحث؟

    الهدف الرئيسي من البحث هو دراسة أثر التسميد البوتاسي على الخصائص التكنولوجية والإنتاجية لصنفين من الشوندر السكري في منطقة الغاب.

  2. ما هي المستويات الأربعة للسماد البوتاسي المستخدمة في التجربة؟

    المستويات الأربعة للسماد البوتاسي المستخدمة في التجربة هي 0، 120، 170، 220 كغ K2O/هـ.

  3. ما هي النتائج الرئيسية التي توصل إليها البحث؟

    النتائج الرئيسية هي أن إضافة السماد البوتاسي بمعدل 170 كغ K2O/هـ أدت إلى تحسين معنوي في نسبة السكر في الجذور، إنتاجية الجذور، وغلة السكر الأبيض.

  4. ما هي التوصيات التي قدمها البحث؟

    التوصيات تشمل إضافة السماد البوتاسي بمعدل 170 كغ K2O/هـ قبل الزراعة، والاعتماد على زراعة الأصناف وحيدة الجنين، وإجراء المزيد من الأبحاث لتحديد أفضل الأصناف والمعدلات السمادية المثالية.


References used
ABDEL-MAWLY, S.E. and ZANOUNY, I.. Response of sugar beet to potassium application and irrigation with saline water. Ass. Univ. Bull. Environ . Res. 7(1), 2004 123-136
BORBOL, J.P. cultivar, V12, 1985
OCHLA.J.The influence of the time and 14 methods of nitrogen application on the yield and quality of sugar beet .Rostlinnavygoba-Urtiz (CSFR) .36, 1990, 1061- 1067
DRAYCOTT A, P. Sugar-beet nutrition. Ed: Applied Science, 1972, 249 P
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The study included the reality of marketing crop sugar beet in Syria in general, and in al ghabb 's area , in particular, has shown results that the problems and difficulties of marketing sugar beet back to the non-compliance of farmers date of Agr iculture appropriate and space devoted to the cultivation of the crop sugar beet and assessed by the General Authority to manage and develop Al Ghabb's area, in addition to the failure of the extension units in turn supply the deadline cards provide timely and sufficient quantities to farmers as a result of the process control system of favoritism in the distribution of cards supply extension units. In addition to the low energy manufacturing to the sugar mill, and its inability to absorb the quantities produced in excess of the agricultural plan, along with breakdowns lab frequent result gave the mechanisms used in it, and the need for frequent maintenance, and low efficiency of some sections of the lab, and the control system favoritism determine the degree of sweetness, as shown by the results Search also "high production and marketing costs for sugar beet crop and is higher than its price.
The research was carried out at Agricultural Scientific Research Center of Hama in tow season 2010/2011. Aiming to evaluate the effect of nitrogen fertilization and planting date on some Productive and Technological characters of sugar beet Mono g erm(Simper cultivar) and Multi germ (HM10 cultivar). Results showed an effect of fertilization on productive and technological characters of sugar beet. Increasing the rate of nitrogen fertilizer to 250kg N.ha¹ caused a significant increase in root yield and actual sugar yield (12.88 , 12.15 ton . ha¹) respectively, but it badly affected the sugar content in the roots, juice polarity and juice purity (14.68, 15.95, 80.45%) respectively. Mono germ Simper was found significantly superior compared to Multi germ HM10 in root yield, Brix, root sugar content and juice polarity. Results showed that planting date 1/11 was found significantly superior compared to dates 1/10, 15/10 for root yield, Brix, juice purity, actual sugar yield. In conclusion, Simper (Mono germ) was suitable in planting date 1/11 at nitrogen level of (200-250kg N.ha¹).
It is well established that sugar content of sugar beet increases as the plant reaches the biological maturity stage. This means that the sugar beet plant must be left in the field to complete its growth. Farmers are usually concerned with the hig hest yield of sugar beet roots regardless of their content of sugar, but sugar-processing companies are concerned mainly with the amount of sugar extracted from a certain weight of roots, in addition to the purity of the sugary juice. Farmers normally receives the price of their sugar beat crop based on the sugar content of the crop. Thus, in this type of farming, biological control is a worldwide-procedure. Biological maturity depends on ways of yield formation and a close control of the mechanisms of forming yield components (no. of roots / unit area; average root weigh; average sugar content) which require a detailed study of the characters of the grown cultivar and the overall conditions of the growing area. Results showed that harvesting of sugar beet sown in fall season befor the plant completes it’s growing cycle (in June) results in a big yield in addition to a reduction in sugar content in the roots which inturn results in a big loss in the national economy. Results indicated that delaying date of harvest up to ١٨th of July markedly increased root and sugar yield as well as sugar content in the beet roots. Increasing nitrogen rate up to ٤٠٠ kg / ha resulted in a marked increase in root and sugar yield / ha . On the other hand, sucrose content gradually decreased with excess nitrogen. Higher plant density (more than ١٠٠,٠٠٠ plants /ha) enforce for late harvesting in comparison with other densities for at least ١٠ days to obtain high yield of roots and sugar.
The study has shown that the apparent bulk density of soil increases with the increase of compression and moisture during press. The maximum rate of increase in depth was 0 – 20 cm that amounted 0.38g/cm3 at compression by 257.44-kilopascal and moi sture average at compression by 19.03% (equal to 60% of the field capacity average of the soil) in comparison with the non-existence of compression. In addition, the size of the pores bigger than 50 microns decreased at the same above compression and above moisture in depth of zero – 20 cm by 20.20%. The size of pores bigger than 10 microns decreased by 20.65% in comparison with the non-existence of compression. While it was noted that the the maximum loss of root yield that amounted 17.52%, at compression by 257.44 kilopascal, and moisture 19.03%.
Cotton is considered as one of the most important crops grown in AL-Ghab plain and which distinguish by excessive requirements from mineral elements.The importance of this study comes in trying to increase the economic proceeds of cotton crop by guidance of using of fertilizers and keeping soil fertility

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