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Register a new user"A Study of The Effect of Plant Density and Nitrogen on The Growth and Productivity of Soybean in Homs Province"
"دراسة تأثير الكثافة النباتية و التسميد الآزوتي في نمو و إنتاجية فول الصويا في حمص"
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Aِl-Baath University ورقة بحثية
Publication date
2018
fields
Agricultural Engineering
and research's language is
العربية
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نفذ هذا البحث في الموسم الزراعي 2016 في المنطقة الغربية من محافظة حمص، الواقعة ضمن منطقة الاستقرار الأولى، تم دراسة تأثير الكثافة النباتية و التسميد الآزوتي على نمو و إنتاجية فول الصويا Glycine max L صنف sb44 .
The research was executed within the season 2016, in the west of HOMS in the first settlement area. The study has showed the effect of plant density and nitrogen fertilization was studied on the growth and productivity of soybeans Glycine max L . (Sb44).
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Research summary
تتناول هذه الدراسة تأثير الكثافة النباتية والتسميد الآزوتي على نمو وإنتاجية فول الصويا في منطقة حمص الغربية خلال الموسم الزراعي لعام 2016. تم استخدام ثلاثة مستويات من الكثافة النباتية (400 ألف، 266 ألف، و200 ألف نبات/هكتار) وثلاثة معدلات من السماد الآزوتي (0، 20، و40 كغN/هكتار). أظهرت النتائج أن الكثافة الدنيا 200 ألف نبات/هكتار حققت أعلى وزن للكتلة الخضرية وأعلى متوسط لعدد القرون والبذور على النبات. كما أن معدل السماد الآزوتي 40 كغN/هكتار حقق أعلى متوسط لارتفاع النبات وأعلى وزن للكتلة الخضرية، بينما أدى زيادة السماد الآزوتي إلى تقليل عدد العقد الآزوتية على الجذور. تم الحصول على أعلى نسبة للبروتين عند الكثافة النباتية 200 ألف نبات/هكتار. توصي الدراسة بزراعة الصنف Sb44 بكثافة 200 ألف نبات/هكتار واستخدام معدل السماد الآزوتي 40 كغN/هكتار للحصول على أفضل إنتاجية.
Critical review
دراسة نقدية: تعتبر هذه الدراسة ذات أهمية كبيرة لفهم تأثير الكثافة النباتية والتسميد الآزوتي على إنتاجية فول الصويا في منطقة حمص. ومع ذلك، هناك بعض النقاط التي يمكن تحسينها. أولاً، كان من الأفضل تضمين معلومات أكثر تفصيلاً حول تأثير العوامل البيئية الأخرى مثل التربة والمناخ على النتائج. ثانياً، يمكن توسيع نطاق الدراسة لتشمل مناطق أخرى ذات ظروف مناخية مختلفة للتحقق من تعميم النتائج. أخيراً، كان من الممكن تضمين تحليل اقتصادي لتكلفة وفوائد استخدام معدلات مختلفة من السماد الآزوتي والكثافة النباتية.
Questions related to the research
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ما هي الكثافة النباتية التي حققت أعلى وزن للكتلة الخضرية للنبات في مرحلة الإزهار؟
الكثافة النباتية 200 ألف نبات/هكتار حققت أعلى وزن للكتلة الخضرية للنبات في مرحلة الإزهار.
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ما هو معدل السماد الآزوتي الذي حقق أعلى متوسط لارتفاع النبات؟
معدل السماد الآزوتي 40 كغN/هكتار حقق أعلى متوسط لارتفاع النبات.
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ما هو تأثير زيادة السماد الآزوتي على عدد العقد الآزوتية على الجذور؟
زيادة السماد الآزوتي أدت إلى تقليل عدد العقد الآزوتية على الجذور.
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ما هي التوصيات الرئيسية للدراسة بشأن الكثافة النباتية ومعدل السماد الآزوتي للحصول على أفضل إنتاجية؟
توصي الدراسة بزراعة الصنف Sb44 بكثافة 200 ألف نبات/هكتار واستخدام معدل السماد الآزوتي 40 كغN/هكتار للحصول على أفضل إنتاجية.
References used
Alameen, Hala Ahmed (2007) Soybeans. Sudan Studies and Reports Series, 16th Report, Department of Studies, Sudan
Hayes, Bashar and Muhanna, Ahmad (2007). Production of Cereal and Pulses crops Directorate of Books and Publications, Al-Baath University, Faculty of Agriculture
Ruqaya, Nazih; Mohammed, Youssef; Qajo, Aola (2013). Effect of plant density and date of cultivation on the content of seed varieties of soybean oil and protein in the conditions of the Syrian coast. Jordanian Journal of Agricultural Sciences. Volume 9 (2): 240-248 pages
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The research was executed within the season 2015 ,in the west
of HOMS in the first settlement area.One kind (Alfarancy) of
chick pea Cicer arietinum L, was sowed in January on three
planted distances (4,8,15) cm, and three application rates of
Ur
ea fertilizer (N 46%) were applied (0,25,50) kg/ha each level
was applied with two equal patches.
Most results showed that the difference of the distances with
difference rate of Urea fertilizer has a big effect on the most
studied qualities.
Depending on the research results we founded that:The seeding
with 15 cm and applying 50 kg n/h surpassed most the other
treatment for seed weight for each plant, Results also indicated
that the seedling with (4cm with 25 kg/h) surpassed most the
other treatment for (high plant, high first pod). For
characteristics (biological yield, straw yield) that the seedling
with (8cm with 25 kg/h) surpassed most the other treatment.
There was no effect to applying fertilizer on seed yield.
Objective of this work was to investigate how plant density and nitrogen
rate affects the growth , yield and its components in maize (Bassel 2 hybrid).
The experiment was carried out, at the agricultural research centre in Snoubar
Jableh, during t
he 2008 and 2009 seasons, included 12 treatments which were
the combination three plant population densities 71428/ha, 57142/ha, and
47619/ha and four N rates (0, 60, 120 and 180 kg/ha). The experimental design
was a split-plot, with different densities as main plots, randomized in three
complete blocks, and the fertilization as subplots. The data were analyzed by
using “Mstat” statistical package. Increasing planting population density
delayed anthesis and silking date, increased the anthesis-silking interval, plant
height, ear height, grain yield, agronomic nitrogen efficiency and nitrogen use
efficiency, but decreased ear leaf area, chlorophyll content, 1000 seed weight,
number of grains/ear, shelling percentage (%), and grain protein content.
Nitrogen fertilizer decreased tassilling and silking date, and nitrogen use
efficiency, increasing plant and ear height, ear leaf area, chlorophyll content,
number of grains/ear, ear weight,1000-grains weight, Shelling percentage,
grain yield up to 120 kg N/ha, agronomic nitrogen efficiency and grain protein
content.
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.
We evaluated some of the qualities of productivity for lentil
variety ( Lens esculanta ) Idlib2 in the province of Hama, which
lies within the third zone in the two seasons 2013- 2014. manner
random sectors dissident once and three replications fo
r each
worker where she planting dates widget Home and operated plant
density widget dissident once in order to determine the date and
density suitable to reach the best production of lentils in a peaceful
area.
Agriculture led on the first date (December 15) and in the
plant a minimum density (200 seeds / m2) increased to varying
significantly different in the length of the century / mm and the
total number of horns on a per plant and the number of seeds per
plant and seed weight on a per g / plant and seed weight per hectare
And it gave the plant Top-density (300 seeds / m 2) a significant
increase in the weight of centuries per g / plant and the number of
pods on the plant and the weight of Aalakec per hectare and
biological weight per hectare.
This study was carried out in the farm of the Faculty of Agriculture
University of Damascus during the growing season 2014, to study the
productivity of the maize cultivar ("Gouta 82) and the hybrids (Basel
1 and Basel 2) under the influence of tw
o plant densities 17.53
thousand plant. ha-1 (70x20cm) and 53.11 thousand plant. ha-1
(70x40cm).
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