ORIGINAL_ARTICLE
EFFECT OF AMINO ACIDS REPLACING NITRATE ON GROWTH AND NITRATE ACCUMULATION IN LETTUCE.
A study was carried out to determine the influence of nitrogen (N) sources on the growth and nitrate (NO3−) accumulation of lettuce iceberg (Lactuca sativa) in nutrient film technique (NFT). Plants were supplied with treatments NO3− and six amino acids (AA)treatments, [glutamic acid (Glu), glutamine (Gln), alanine (Ala), glycine (Gly),aspartic acid (Asp) and argnine (Arg)] , at three NO3−-N/AA-N ratios:(1) 100:0, (2) 80:20 and (3) 60:40.The total N concentration was 12.5 mmol L-1 for all treatments in nutrient solution. All AAs reduced plant growth with decreasing NO3− -N/AA-N ratios compared to the 100% NO3− treatment. Fresh and dry weight of shoot and root were significantly lower in Glu treatment than in all other treatments when NO3−-N/AA-N ratios were 80:20 and 60:40. Decreasing NO3− -N/AA-N ratios reduced NO3− concentrations in fresh shoot, regardless of AA sources. Plants grown in (Glu) treatment had lower NO3−concentrations in fresh shoot than grown in all other treatments when NO3−-N/AA-N ratio was 80:20 only.
https://jssae.journals.ekb.eg/article_39400_0addf60a6197dc2403f6c8ae1042cf4c.pdf
2016-03-01
237
241
10.21608/jssae.2016.39400
Amino acids
nitrate
accumulation and lettuce
Y.
Abdel-Aal
1
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza, Egypt.
AUTHOR
S.
Abou-Zeid
2
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza, Egypt.
AUTHOR
Amal
Abd El-Latif
3
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza, Egypt.
AUTHOR
Shaimaa
El-Sapagh
4
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza, Egypt.
AUTHOR
ORIGINAL_ARTICLE
EFFECT OF DIFFERENT SOURCES AND LEVELS OF POTASSIUM ON GROWTH, YIELD AND CHEMICAL COMPOSITION OF FABA BEAN PLANTS
A pot experiment was undertaken out door at the farm of Faculty of Agric. El-Mansoura Univ. during the winter season of 2014 to investigate the effect of different sources of potassium fertilization on vegetative growth, chemical composition and yield of faba bean plants (Vicia faba L.).
Ten treatments were arranged in a complete randomize block design with 3 replicates, thus, the total number of the experiment was 30 pots as follows: (Control treatment: without K-fertilization), (50 kg K2O.fed-1 as potassium sulphate (RD), 37.5 kg K2O.fed-1 as potassium sulphate, and 62.5 kg K2O.fed-1 as potassium sulphate) and (50 kg K2O.fed-1 as potassium thio sulphate (RD) (137 lit.fed-1), 30 kg K2O.fed-1 as potassium thio sulphate (82 lit.fed-1 ), and 70 kg K2O.fed-1 as potassium thio sulphate (191.8 lit.fed-1 ) as well as (200 kg.fed-1.feldspare, 100 kg.fed-1 feldspare and 300 kg.fed-1 feldspare ). Results reveale that the mean values of vegetative growth parameters as (plant height, fresh and dry weight as well as leaf area), fresh weight of pods and seeds, N, P, K, Fe in plant foliage and seeds were increased significantly with increasing rates of potassium fertilizers. The highest values were recorded with using 62.5 kg K2O.fed-1 as potassium sulphate. As for the; EC and pH of soil was decreased with increasing rates of potassium sources. The available nutrients in soil (N, P, K and Fe) increased significantly with increasing rates of potassium fertilizers. The highest available values of N, P, K and Fe ppm in soil were recorded with using 62.5 kg K2O.fed-1 as potassium sulphate.
https://jssae.journals.ekb.eg/article_39402_4ec9d34fa1f833f49d8c81b481f42bd9.pdf
2016-03-01
243
248
10.21608/jssae.2016.39402
Rock potassium
potassium sulphate
Potassium thiosulphate
Vegetative growth
available nutrients
Faba bean
A.
Taha
1
Soils Dept., Faculty of Agriculture, Mansoura University
AUTHOR
M.
Omar
2
Soils Dept., Faculty of Agriculture, Mansoura University
AUTHOR
Hadeer
Khedr
3
Soils Dept., Faculty of Agriculture, Mansoura University
AUTHOR
ORIGINAL_ARTICLE
IMPROVING GROWTH, YIELD AND NUTRIENT UPTAKE OF FABA BEAN (Viciafaba L.) BY INOCULATION WITH MYCORRHIZAY AND FOLIAR APPLICTION OF COBALT UNDER SALINE IRRIGATION WATER ON A CALCAREOUS SOIL.
A field experiment was conducted during 2012/2013 and 2013/2014 winter growing seasons to evaluate the effect of mycorrhiza inoculation and foliar application of cobalt on growth, yield and nutrient uptake and quality of faba bean ( variety Giza 643 ). The experiment was carried out under drip irrigation system on calcareous soil at the experimental farm El-Arish Agricultural Research Station, ARC, Egypt. The adopted treatments were arranged in a split plot design with four replicates, in which mycorrhiza treatments were allocated in the main plots, while five levels of cobalt e.g. 0, 5, 10, 15 and 20 ppm were foliar - sprayed on faba bean seedlings in the form of cobalt sulfate( CoSO4, 7H2O) were arranged in the sub plots.
The results showed that mycorrhiza inoculation significantly affected chlorophyll contents, growth characters i.e. plant height and branches Noplant-1 and yield attributes e. g, pods No plant-1and seed weight plant-1 and seed yield as well as macronutrients (N, P and K) and micronutrients (Co and Fe) contents in straw and seeds. The highest figures of the abovementioned traits were attained due to inoculation the faba bean seeds with mycorrhiza fungi in 1st and 2nd seasons.
Spraying the plant with cobalt at 10-ppm exhibited the highest figures of the abovementioned traits in 1st and 2nd seasons, comparable with the other tested concentrations.
Cobalt at 10 ppm as interacted with mycorrhiza inoculation enhanced chlorophyll, growth parameters, yield, status of N, P, K and Fe in shoots and seeds except iron, which was decreased particularly without mycorrhiza inoculation. Generally, the obtained results showed that increasing cobalt concentration above 10 ppm had an adverse effect on all parameters recorded.
https://jssae.journals.ekb.eg/article_39388_d979b70cc41694735cfd5fd44925b4a0.pdf
2016-03-01
249
258
10.21608/jssae.2016.39388
Faba bean growth
seed yield
mycorrhiza inoculation
nutrient uptake
cobalt foliar application
A.
Khatab
1
Soils, Water and Environ. Res. Ins., Agric. Rec. Center, Giza, Egypt
AUTHOR
ORIGINAL_ARTICLE
IMPACT OF MINERAL FERTILIZATION LEVELS, ORGANIC MANURE SOURCES AND ITS INTERACTION ON YIELD AND CHEMICAL COMPOSITION OF WHEAT
A field experiment was conducted in the Experimental Farm of Faculty of Agric., El-Mansoura Univ. during the winter season of 2014-2015 to study the effect of mineral fertilization levels (0, 50, 75 and 100% from the recommended doses of NPK), organic manure sources (FYM, compost rice straw (CRS), compost town refuse (CTR) and chicken manure (ChK)) and enrichment organic manure as well as their interaction on yield and chemical composition of wheat plant in complete randomize block design with 3 replicates.
Results indicated that; the mean values of all parameters under study fresh and dry weight, chlorophyll content, yield and yield component; weight of 100 seeds, no. of grains/spike, spike length as well as chemical composition were significantly increased as the level of NPK fertilizers was increased. The highest yield and chemical composition of wheat was realized at the rate of 100% NPK. Within the sources of organic manures studied; a superiority effect was realized for the plants treated with ChK, following with CRS, FYM and lastly CTR for increasing the average values of the previously mentioned traits as compared to the control treatment. Enrichment the sources of organic manure with the mixture of micronutrients (Zn, Fe and Mn) had a positive effect on the mean values of all the aforementioned traits. Such effect was more pronounced due to the combination between NPK levels (50 or 75% RD) and enrichment organic manure sources. The best quality and the highest mean values of growth parameters, yield and its components and chemical composition of wheat plant were realized for the plants treated with enrichment chicken manure combined with 75% NPK (RD).
https://jssae.journals.ekb.eg/article_39396_8d633bdcb74b422d28636ae74b944a38.pdf
2016-03-01
259
266
10.21608/jssae.2016.39396
mineral fertilization levels
organic manure sources
enrichment organic manure and wheat
M.
El-Agrodi
1
Soils Dept., Faculty of Agriculture, Mansoura University, Egypt.
AUTHOR
A.
El-Ghamry
2
Soils Dept., Faculty of Agriculture, Mansoura University, Egypt.
AUTHOR
G.
Baddour
3
Plant Nutrition Dept., Soil, Water and Enviro. Res, Institute, Agric. Res. Center.
AUTHOR
Marwa
Kany
4
Plant Nutrition Dept., Soil, Water and Enviro. Res, Institute, Agric. Res. Center.
AUTHOR
ORIGINAL_ARTICLE
IMPACT OF ORGANIC AND INORGANIC FERTILIZERS ON SOME SOIL PROPERTIES AND PLANT GROWTH.
A field experiment was carried out at the Experimental Station, Faculty of Agriculture, CairoUniversity, Giza, Egypt, during 2013& 2014 summer seasons. The field experiment was laid out in a Randomized Complete Blok Design with three replicates. The experiment involved the following five treatments: (Control) 100% mineral-N (T1), 100% organic as compost (6 ton fed-1) (T2), 75% organic (4.5 ton fed-1) plus 25% mineral-N (T3), 50% organic (3.0 ton fed-1) plus 50% mineral-N (T4) and 25% organic (1.5 ton fed-1) plus 75 % mineral-N (T5).This investigation was conducted to study the effect of inorganic and organic nitrogen with different combination between them on yield of sorghum and soil properties. The results showed that the bulk density and pH values in soil was reduced by increasing the organic manure rates, while total porosity was increased by addition of organic fertilizer.. Available N, P and K in soil were increased significantly by different addition rates compared with control. The available nitrogen was significant increased with T2 treatment than other treatments. Available phosphorus and potassium in soil were significantly affected at T3 treatmentcompared with the others treatments. Available Fe, Mn and Zn were affected by application of compost only and combined with mineral fertilizers, where the available Fe, Mn and Zn in soil increased with T2 treatment compared with the others treatments.Thestatistical analysis revealed that T3 treatment at first cut gave the highest values of both fresh and dry weight compared with other treatments. The results showed that nitrogen, phosphorus and potassium uptake by plants were significantly increased with T3 treatment was the best one at the first cut.
https://jssae.journals.ekb.eg/article_39399_906dfeb203da34944af48f8595fe07d1.pdf
2016-03-01
267
272
10.21608/jssae.2016.39399
Organic nitrogen
inorganic fertilizers
combination
sweet sorghum yield
soil properties
M.
Husein
1
Soil Scinces , Debt. Fac. of Agriculture, Cairo University
AUTHOR
Mervat
Hassan
2
Department of Forage and Food Research , Cairo, Egypt.
AUTHOR
Amal
Abd EL- Latif
3
Soil Scinces , Debt. Fac. of Agriculture, Cairo University
AUTHOR
M.
Abdel-Aal
4
Soils, Water and Environment Research Institute, Agriculture Research Center,Giza, Egypt
AUTHOR
Fatma
Abd El-Salam
5
Department of Forage and Food Research , Cairo, Egypt.
AUTHOR
ORIGINAL_ARTICLE
IN SITU IMMOBILIZATION OF COPPER, ZINC AND LEAD POLLUTED SOILS.
In situ immobilization technique. Two rates (0.5 and 1.0%) of five immobilizing agents (hydrogel, polymer, zeolite, mud and geothite) were used for remediation of Cu, Zn and Pb polluted soils. Three soils containing various levels of Cu (66.9-82.9 ug/g) , Zn (150–328.0 ug/g) and Pb (59.7– 181 ug/g) were used. Incubation experiment was conducted to study the effect of these agents on soil available content of Cu, Zn and Pb. All immobilizing agents reduced the amount of DTPA available of these metals . The addition of 0.5 and 1% application rate of all agents was sufficient to decrease the DTPA extractable Cu by more than 50% compared to the untreated soils. The DTPA extractable Zn decreased by values ranged between 39.6-86.7% and 49.3 to 92.6% for soils treated with 0.5 and 1% , respectively compared to untreated soils. The available Pb values was decreased by 44.7-57.8 and 47.5-75.4% compared to untreated soils at application rate 0.5% and 1%, respectively. The ability of these agents in immobilizing Cu, Zn and Pb increased with increasing their rate of application and could be arranged as follows :
Zeolite< Polymer<Goethite<Mud<Hydrogel for Cu
Hydrogel< Mud < Goethite < Polymer< Zeolite for Zn
Hydrogel< Mud< Zeolite< Goethite< Polymer for Pb in the tested three soils.
https://jssae.journals.ekb.eg/article_39391_e77c7a8b615d27566910c7648e04efda.pdf
2016-03-01
273
279
10.21608/jssae.2016.39391
Heavy metals
Remediation
Immobilization
copper
Zinc and Lead
M.
Abdel-Hamid
1
Soil Sci. Dep., Fac. Agric., Cairo University, Giza, Egypt .
AUTHOR
M.
Kamel
2
Soil Sci. Dep., Fac. Agric., Cairo University, Giza, Egypt .
AUTHOR
Samira
Mahrous
3
Soil, Water and Environment Research Institute, ARC, Giza, Egypt
AUTHOR
Omnia
Farouk
4
Soil, Water and Environment Research Institute, ARC, Giza, Egypt
AUTHOR
ORIGINAL_ARTICLE
IMPLICATIONS OF USING BELBAIS DRAIN WATER FOR IRRIGATION OF WHEAT IN THE NORTH EAST REGION OF EGYPT
Wastewater may be used for complimentary irrigation of crops in the North East region of Egypt. Implications of using such wastewater on accumulation of heavy metals in soil and plant must be assessed. Water, soil and wheat samples were collected from 10 sites (with 5 km distance between sites) along the drain of Belbais and analyzed for their contents of Pb and Co. Contents of Pb in water were within the permissible levels recommended by FAO; however, there was a significant progressive increase from site 1 to 5 along the drain (North-East direction) beyond which gradual decrease occurred. The Co content in wastewater exceeded the acceptable limits and progressively increased from site 1 to 10. Contents of Pb and Co in soil were higher than the corresponding maximum acceptable levels. Wheat plants were sampled and lead contents in straw and grain were within the permissible level. Cobalt content in wheat straw was higher than the permissible level and exceeded the permissible levels in grains. A positive significant correlation existed between Co content in plant and in water. Using such water for complimentary irrigations may be of potential health hazards.
https://jssae.journals.ekb.eg/article_39394_7d38a7111596427218f3642fea45c9c7.pdf
2016-03-01
281
287
10.21608/jssae.2016.39394
soil pollution
Water Pollution
Belbais drain
Wheat
Z.
Ibrahim
1
Soils and Water Department, Faculty of Agriculture, Benha University, Egypt
AUTHOR
A.
Abdel-Hameed
2
Soils and Water Department, Faculty of Agriculture, Benha University, Egypt
AUTHOR
I.
Farid
3
Soils and Water Department, Faculty of Agriculture, Benha University, Egypt
AUTHOR
M.
Abbas
mohamed.abbas@fagr.bu.edu.eg
4
Soils and Water Department, Faculty of Agriculture, Benha University, Egypt
AUTHOR
H.
Abbas
5
Soils and Water Department, Faculty of Agriculture, Benha University, Egypt
AUTHOR