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Register a new userEffect of tillage implements type, tillage depths and time of nitrogen fertilizer application on some soil properties and peanut growth.
تأثير أنواع المحاريث وعمق الحراثة وموعد إضافة السماد الآزوتي في بعض خواص التربة و إنتاجية الفول السوداني
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Tishreen University أطروحة دكتوراه
Publication date
2012
fields
Agricultural Engineering
and research's language is
العربية
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نفذت التجربة في محافظة طرطوس في منطقة القبيبة في الموسمين الزراعيين 2011 و 2012 لدراسة تاثير أنواع مختلفة من المحاريث , وأعماق الحراثة , وموعد إضافة السماد الآزوتي في بعض الخواص الفيزيائية والكيميائية للتربة وبعض مؤشرات النمو للفول السوداني وانتاجيته واستخدمت ثلاثة أنواع من المحاريث : المحراث المطرحي القلاب ( MP ) والمحراث القرصي ( DP ) والمحراث الحفار أو الشاق ( CP ).
The experiment was carried out in Tartous Governorate in the Qubeiba region in the two agricultural seasons 2011 and 2012 to study the effect of different types of ploughs, the depth of plowing, and the timing of adding nitrogen fertilizer on some physical and chemical properties of the soil and some growth indicators of peanuts and its productivity. Three types of plows were used: MP ), disc plow ( DP ) and backhoe plow ( CP ) .
References used
الحطاب أحمد هلال 2002 أساسيات إنتاج المحاصيل , مطبوعات كلية الزراعة جامعة القاهرة
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A field experiment was conducted in Agriculture collage –Tishreen University for two years 2011&2012 to evaluate the effect of tillage depths and nitrogen fertilizer timing application on growth productivity indicators and seeds' chemical compositi
on of peanut plant. The experiment was designed in split plots with three replicates. The main plots included shallow tillage (8-10) cm, medium tillage (18- 20) cm and deep tillage (28- 30) cm tillage depths D1, D2, D3 respectively. Timing application (split- plots) were: T1 all nitrogen fertilizer applied at planting ,T2 half nitrogen applied at planting and half at flowering ,T3 all nitrogen fertilizer applied at flowering .Deep tillage caused significant differences and increased leaf area index to (11.93,11.80) for the two seasons respectively . For dry weight/plant were (285.9, 266.6) g for two seasons respectively and seeds index arrived highest values (74.32, 74.53) g for two seasons respectively. Tillage depth increased protein and oil percentage in seeds, but the effect was insignificant. Timing of nitrogen fertilizer had significant effect on leaf area index. The best values were (11.80, 11.60) for two seasons respectively in the treatment T2, and dry weight/plant (283.0, 263.4) g/plant respectively. Significant effect was observed for seeds index. The highest values were (74.41, 74.21) g for two seasons respectively in the treatment T2, so that for protein percentage in seeds arrived highest values (24.35, 25.24) % respectively in the treatment T2. But the highest values of oil percentage were (47.10, 47.21) % for two seasons respectively in the treatmentT3. Interaction (D x T) had significant effect on leaf area index. The best values were (12.53, 12.07) for two season respectively at (D3 x T2) interaction treatments. This interaction had no significant effects on the rest of the indicators
A field experiment was conducted for two years 2011-2012 to evaluate the effect of various tillage implements, tillage depths and nitrogen fertilizer timing application on soil bulk density, its moisture, and peanut growth. Three different implements
were used: moldboard (MP), chisel (CP) and disk ploughs (DP). Tillage depth treatments (split-plots) included (8-10) cm, (18- 20) cm and (28- 30) cm tillage depths; D1, D2 ,D3 respectively. Timing applications (split-split- plots) were: T1 all nitrogen fertilizer applied at planting ,T2 half nitrogen applied at planting and half at flowering ,T3 all nitrogen fertilizer applied at flowering.
All tillage implements decreased soil bulk density for the tillage depth. They were for treatments (DP,CP,MP) at (0-10)cm depth (1.31,1.33,1.29) g/cm3, (1.31,1.32,1.31) g/cm3 at (10-20) cm depth and (1.36,1.37,1.35)g/cm3at(20-30) cm depth. Soil moisture increased in treatments (DP,CP) with increasing tillage depth .There was no effect of previous factors on main branches, but timing of nitrogen fertilizers (T1, T2) effected secondary branches significantly compared to T3. Moldboard significantly increased leaf area to (1.77) m2/plant compared to chisel (CP) and disk ploughs (DP). Also D2, D3 increased leaf area compared to D1. (T1, T2) significantly increased leaf area compared to T1. Interaction between timing of application and depth (D3 xT2) gave significant differences. The best value was (1.85) m2/plant for the two years.
The reasearch was carried out during 2009 – 2010 in Al – Hasaka – Amoda - to study
the effect of cattle manure at the rat of 30 ton / ha , and four organic green manure ( Lentil,
Vetch, Faba bean and Barely) on soil content of organic matter and so
me mineral elements
compared with chemical fertilizer 400 kg / ha urea , 83 kg / ha P2O5 and 25 kg / ha K2O .
The manure significantly increased organic matter , phosphorus and potassium
concentrations compared with other fertilizers ( chemical and green fertilizers ) . All green
fertilizers ( Lentil , Vetch , Faba bean and Barely ) significantly increased organic matter ,
nitrogen and potassium concentration compared with the control without using any
fertilizer , the tillage depth ( 0 – 10 ) cm significantly increased soil content of organic
matter and nitrogen compared with deeper tillage ( 25 – 30 ) cm during the two seasons .
Effect of organic and bio fertilizers (Azotobacter and phosphate solubilizing
bacteria) on production of potatoes and some soil properties was studied in
Tartous.
The experiment consisted of 4 treatments (control soil, soil+manure, soil+
bioferti
lizer and soil+manure+biofertilizer) each replicated four time, for 2004
and 2005 seasons.
Total N, available P, available K, and organic matter in soil were
determined.
Significant increases were observed in most of the inoculated and organic
fertilized treatments compared with the control. However, the treatment
(soil+manure+biofertilizer) was the best and showed significant increases in
potato yield compared with other treatments especially in the next season.
However, the second season was better in yield increase in all treatments
than the first seacon.
This research was conducted during the growing season of 2015 at
AL-Arema village of governorate Tartus, to study the effect of
three spray bio-fertilizer times (1- flowering stage. 2- pods
formation stage . 3- seeds formation stage), and four rat
es of biofertilizer
(zero, 2 cm3/liter ,4 cm3/liter,6 cm3/liter) in the growth and
productivity of peanut crop.
The experiment was designed by using Split-plot design three
replications.
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