| Titles |
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English :
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Improving the quantity and quality of wheat in salt affected soils
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Arabic :
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تحسين إنتاجية وصفات محصول القمح فى الأراضى المتأثرة بالأملاح
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| Abstract |
In salt affected soil, wheat plants suffer from many problems related to soil salinity and alkalinity which affected the wheat productivity and retard the availability of nutrients in soil and their uptake by plant. The present investigation aimed to raise the productivity of wheat plants grown under the previous condition and investigate the possibility of the partial replacement of N-fertilization along with improving the poor physical, chemical and biological soil characteristics by the application of some soil amendments. Therefore, two field experiments were carried out at Sids Agric. Res. Station, Agric. Res. Center during the two winter seasons 2002/2003 and 2003/2004. The amendments were added at levels of 20 m3/fed., for farmyard manure as well as 1 and 5 ton/fed. for sulphur and gypsum, respectively. N-fertilization was applied at 37.5 and 75 kg N/fed. In addition, Zn, Mn, Fe and Cu were added in the EDTA form at rates of 0.3 g/L for Zn, Mn and Fe and 0.15 g/L for Cu.
The obtained results clearly showed that :
1-Wheat grain and straw yields as well as their NPK contents and grain protein content significantly responded to the application of soil amendments. In this concern, chemical amendments (sulphur and gypsum) recorded higher values than those attained with the application of farmyard manure. Yet, sulphur gave the highest values for all previous parameters compared with the other amendments.
2-For obtain the highest economic grain and straw yields, it must fertilize the soil with the optimum rate of N, i.e. 75 kg N/fed.
3-N-fertilization was the most effective factor compared with the soil amendments and foliar spraying of micronutrients concerning its effect on wheat quantity and quality.
4-Application of soil amendments and foliar spraying of micronutrients promote the use efficiency of N-fertilization. This significantly reflected on grain and straw yields and gave the better nutritive content than the control plants received the recommended dose of N and did not reclaim or spray with micronutrients. In this concern, the addition of 1 ton S + 75 kg N/fed. + 0.3 g Zn/L gave the highest increments of yield quantity and quality parameters, whereas, the application of farmyard manure at the same previous rate of N-fertilization scored the least increments.
5-The application of all soil amendments decreased soil pH. Elemental S had the superiority effect followed by gypsum and farmyard manure in a descending order. However, marked decreases in both soluble and exchangeable sodium as well as significant increases in soluble and exchangeable calcium were observed by the addition of all amendments. In this respect, gypsum gave the highest values compared with the other amendments .
Therefore, it could be concluded that the application of 1 ton S+ 75 kg N/fed. + 0.3 g Zn/L in the EDTA form (400 L/fed.) is the best formula for the wheat plants under the condition of salt affected soils for achieving the best wheat crop, improving its nutritive content and raising grain protein content
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| Publication year |
2004
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| Pages |
2861-2883
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| Availability location |
Soils, Water and Environment Research Institute, ARC, 9 Cairo Univ. St., Giza, Egypt
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| Availability number |
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| Organization Name |
Soil, Water and Environment Research Institute (SWERI)
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| City |
Zagazig
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| serial title |
Zagazig Journal of Agricultural Research
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| ISSN |
1110-0338
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| Author(s) from ARC |
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| External authors (outside ARC) |
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| Agris Categories |
Soil fertility
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AGROVOC
TERMS |
Fertilization.
Nitrogen fertilizers.
Saline sodic soils.
Trace elements.
Wheats.
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| Publication Type |
Journal
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