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Register a new userEffect of Planting Date and Nitrogen Fertilization on Some Yield Components of Cumin (Cuminumcyminum L.)
تأثير مواعيد الزراعة و معدلات التسميد الآزوتي على بعض مكونات الغلة لنبات الكمون
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نفذ البحث خلال الموسم الزراعي 2015 لدراسة تأثير ثلاث مواعيد للزرعة ( 1 شباط – 15 شباط – 1 آذار ) عند أربع مستويات من التسميد الآزكتي ( الشاهد 0 – 40 – 60 - 80 ) كغ/ه مادة فعالة ، و التداخل بينهما ، على بعض مكونات الغلة لنبات الكمون.
This study was carried out during the growing season of 2015 to study effect od three planting date (1 Feb., 15 Feb. and 1 March) and four levels of nitrogen fertilization (0, 40, 60 and 80 kg/Ha) with interactive effect between them on some yield components of cumin.
Artificial intelligence review:
Research summary
تأثير مواعيد الزراعة ومعدلات التسميد الآزوتي على بعض مكونات الغلة لنبات الكمون هو موضوع دراسة نفذت خلال الموسم الزراعي 2015. تم اختبار ثلاثة مواعيد للزراعة (1 شباط، 15 شباط، و1 آذار) وأربع مستويات من التسميد الآزوتي (0، 40، 60، و80 كغ/هـ). النتائج أظهرت أن موعد الزراعة في 1 آذار حقق زيادة معنوية في معظم مكونات الغلة باستثناء عدد البذور في النورة. كما أن التسميد الآزوتي بمعدل 80 كغ/هـ أدى إلى زيادة معنوية في جميع مكونات الغلة. التداخل بين موعد الزراعة الثالث ومعدل التسميد الآزوتي الرابع أعطى أعلى ارتفاع للنبات وعدد فروع ونورات. الدراسة أوصت بالزراعة في 1 آذار مع استخدام التسميد الآزوتي بمعدل 80 كغ/هـ لتحقيق أفضل إنتاجية.
Critical review
دراسة نقدية: الدراسة قدمت معلومات قيمة حول تأثير مواعيد الزراعة ومعدلات التسميد الآزوتي على نبات الكمون، ولكن هناك بعض النقاط التي يمكن تحسينها. أولاً، الدراسة لم تأخذ في الاعتبار تأثير العوامل البيئية الأخرى مثل الرطوبة والرياح التي قد تؤثر على النتائج. ثانياً، كان من الممكن توسيع نطاق الدراسة ليشمل مناطق جغرافية مختلفة لضمان تعميم النتائج. ثالثاً، لم يتم مناقشة الجوانب الاقتصادية بشكل كافٍ، مثل تكلفة التسميد والعائد الاقتصادي للمزارعين. أخيراً، كان من المفيد تضمين تحليل طويل الأمد لتأثير التسميد الآزوتي على التربة وصحة النبات.
Questions related to the research
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ما هو أفضل موعد للزراعة حسب الدراسة؟
أفضل موعد للزراعة حسب الدراسة هو 1 آذار.
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ما هو تأثير التسميد الآزوتي بمعدل 80 كغ/هـ على مكونات الغلة؟
التسميد الآزوتي بمعدل 80 كغ/هـ أدى إلى زيادة معنوية في جميع مكونات الغلة.
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ما هي التوصيات الرئيسية للدراسة؟
التوصيات الرئيسية هي الزراعة في 1 آذار واستخدام التسميد الآزوتي بمعدل 80 كغ/هـ لتحقيق أفضل إنتاجية.
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هل هناك فروقات معنوية بين مواعيد الزراعة المختلفة في تأثيرها على ارتفاع ساق النبات؟
نعم، هناك فروقات معنوية حيث أن موعد الزراعة في 1 آذار حقق أعلى ارتفاع لساق النبات مقارنة بالمواعيد الأخرى.
References used
DORDAS, C.A. and SIOULAS, C. 2008-Safflower yield, chlorophyll content, photosynthesis, and water use efficiency response to nitrogen fertilization under rainfed conditions. Industrial Crops and Products. 27, 75–85
BEDSE,R.D.; AMIN, A.U.; RAVAL, C.H. and VAGHELA, S.J. 2013- Effect of rate and time of nitrogen application on seed yield, quality and economics of cumin (Cuminum cyminum L.) under loamy sand soils. International Journal of Agricultural Sciences. 9(1), 201-203
RAO, E.V.S.P., SINGH, M., GANESHA RAO R.S., 1998- International Journal of Tropical Agricultural. 6, 95-101
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This search was conducted in Albassa town at Lattakia governorate , during 2011
and 2012 growing seasons for study effects of 3 sowing dates ( 15th of April , 25th of April
and 5th of May ) and 4 levels of nitrogen fertilization ( N1: control , N2:
50 kg/ha , N3: 100
kg/ha , N4: 150 kg/ha ) on several attributes of groundnut (Coastal category) production .
The results showed that the 5th of May sowing date had significant excel in the
average of the two growing seasons in dry weight of pods in plant , wheight 100- Seeds,
The per-hectare yield of seeds and Harvest index , It ranked first in the two seasons search.
Also, The application of nitrogen fertilizer at a rate of 150 kg/ha had resulted in a
significant increase in studied productivity traits in the average of the two growing
seasons , Except for harvest index , which was at least as compared to other levels of
fertilization.
The interaction between the sowing date ( 5th of May ) and the level of nitrogen
fertilization (150 kg/ha) showed a significant excel in the average of the two growing
seasons in dry weight of pods in plant , wheight 100- Seeds and The per-hectare yield of
seeds .
The research was Carried out in Jisr area in the province of Idlib during the growing
season 2013 - 2014 to study the effect of planting dates in autumn sowing 28/9/2013 = (1),
8/10/2013 = (2), 18/10/2013 = (3) and spring sowing 18/3/2014 = (1), 28
/3/2014 = (2),
8/4/2014 = (3) on yield and growth parameters.
The results showed that the autumn sowing has a significant increase in growth
parameters compared to spring sowing: adapting coefficient (76.67-82.28%), Plant hight
(67.15 - 56.3 cm), number of branches/plant (11.63 - 6.84), number of head/Plant (21.39 -
17.76), oil content (23.19 - 20.68)%, yield petals (96.12 - 60.57) kg/ha, seed yield (1331.82
- 768.31) kg/ha, oil yields (315.15 - 158.99) kg/ha to autumn and spring, respectively.
While maturity date of autumn plants was delayed compared to spring (245.33 - 145.33)
Day.
When sowing was of autumn, growth parameters of third soing date were a
significantly higher compared to both the second and first sowing: number of branches /
plant, number of heads / plant, number of seeds / head, oil ratio (%), oil yield (kg/ha),
yields seeds ( kg/ha), petals yield (kg/ha). Wheras the first sowing date has delayed
maturity date compared of both the second and third sowing dates.
When sowing was in spring, growth parameters of the first sowing dates were a
significantly higher compared to both the second and third except for days to maturity.
This search was carried out in the farm of faculty of Agriculture-
Damascus during 2012-2013 to determine the adaption of five
Safflower genotypes) Farming conditions in the lug
intensive in the province of Damascus under the effect of different
nitrogen fertilizers and witness without fertilization N3 . And how they affected safflower
accessions morphological traits and productivity.
This study was conducted at the vegetable field of department of
horticulture and landscape design, college of agriculture and forestry ,Mosul
university, during spring of 2007 and 2008, to study the effect of times and
levels of nitrogen fertiliz
ation on some characters vegetative growth, flowering
,and yield of summer squash .Result indicated that, the time of nitrogen
fertilization at the stage of fruit-set caused a significant increased in the leaf
number /plant ,length of the plant and the fresh weight/plant. While the time of
nitrogen fertilization wasn't affected significantly the total yield. The level at
320 kg.N/ha caused a significant increase of the characters vegetative growth
and total yield. Also result revealed that, the interaction between the stage at
fruit set and nitrogen fertilization at 320 kg.N/ha led to increase the total yield
.The yield was found to positively correlation with the plant length ,fresh and
dry weights of plant, leaf area, fruit weight, male and female flowers, and the
sex ratio.
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.
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