Abstract
Soil salinity and sodicity are considered two of the most import impediments to agricultural development. Also, agricultural productivities in most of arid and semiarid regions (i.g. Egypt) were threatened by the occurrence of salts. Thus, a field experiment was carried out during the winter season of 2013/2014, in new reclaimed salt affected soil at the Experimental Farm of Sahle El-Hussania Station, Agriculture Research Center, Shrakia Governorate, Egypt., to study the role of soil amendments (organic and inorganic), plant growth regulators (PGR) and amino acids to mitigate the adverse effects of saline soil on growth and productivity of wheat crop. The results can be summarized as: the available macronutrients in soil increased gradually with decreasing the salinity and the sodicity. The raised bed which was treated by the half gypsum requirements, and filled by rice straw gave the highest significantly decrease in the EC, SAR and ESP in the upper layer (0-15 cm) raised bed compared to those filled by sand or hadn’t filled. Soil amendments application caused a significant increasing in wheat growth, biological yield (grains and straw) and protein content as the following: gypsum + rice straw > gypsum + sand > gypsum alone. Foliar applications of gebbrelic acid and proline treatments showed a significant increase in growth and yield as individually or with both amendments compared the control. These increases were positively associated with increased concentration levels of gebbrelic acid and proline applications.
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Claims 5
Claim · model-written summary
Available soil macronutrients increased as salinity and sodicity decreased.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- decreasing the salinity and the sodicitye1
- Outcome
- available macronutrients in soile1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to mitigate the adverse effects of saline soil on growth and productivity of wheat crop”
e1“the available macronutrients in soil increased gradually with decreasing the salinity and the sodicity”
Claim · model-written summary
The raised bed treated with half gypsum requirement and filled with rice straw gave the largest decrease in EC, SAR and ESP in the upper layer compared with beds filled with sand or unfilled.
- Taxon
- wheatTriticum aestivume0
- Treatment
- half gypsum requirements, and filled by rice strawe2
- Outcome
- EC, SAR and ESPe2
- Direction
- decreasee2
- Qualifier
- upper layer (0-15 cm)e2
- Comparator
- those filled by sand or hadn’t fillede2
- Setting
- Experimental Farm of Sahle El-Hussania Statione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to mitigate the adverse effects of saline soil on growth and productivity of wheat crop”
e2“The raised bed which was treated by the half gypsum requirements, and filled by rice straw gave the highest significantly decrease in the EC, SAR and ESP in the upper layer (0-15 cm) raised bed compared to those filled by sand or hadn’t filled”
e3“Experimental Farm of Sahle El-Hussania Station”
Claim · model-written summary
Soil amendment application increased wheat growth, biological yield and protein content; gypsum with rice straw ranked above gypsum with sand, which ranked above gypsum alone.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Soil amendments applicatione5
- Outcome
- wheat growth, biological yield (grains and straw) and protein contente5
- Direction
- increasinge5
- Comparator
- gypsum alonee4
- Setting
- Experimental Farm of Sahle El-Hussania Statione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to mitigate the adverse effects of saline soil on growth and productivity of wheat crop”
e4“gypsum + rice straw > gypsum + sand > gypsum alone”
e5“Soil amendments application caused a significant increasing in wheat growth, biological yield (grains and straw) and protein content”
e3“Experimental Farm of Sahle El-Hussania Station”
Claim · model-written summary
Foliar gibberellic acid and proline increased wheat growth and yield, alone or with both amendments, compared with the control.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Foliar applications of gebbrelic acid and prolinee6
- Compound
- gebbrelic acide6
- Outcome
- growth and yielde6
- Direction
- increasee6
- Qualifier
- individually or with both amendmentse6
- Comparator
- the controle6
- Setting
- Experimental Farm of Sahle El-Hussania Statione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to mitigate the adverse effects of saline soil on growth and productivity of wheat crop”
e6“Foliar applications of gebbrelic acid and proline treatments showed a significant increase in growth and yield as individually or with both amendments compared the control”
e3“Experimental Farm of Sahle El-Hussania Station”
Claim · model-written summary
The wheat increases were positively associated with the concentrations of gibberellic acid and proline applied.
- Taxon
- wheatTriticum aestivume0
- Treatment
- concentration levels of gebbrelic acid and proline applicationse7
- Outcome
- increasese7
- Direction
- positively associatede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to mitigate the adverse effects of saline soil on growth and productivity of wheat crop”
e7“These increases were positively associated with increased concentration levels of gebbrelic acid and proline applications”
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