Physiological Role of Humic Acid, Amino Acids and Nitrogen Fertilizer on Growth of Wheat under Reclaimed Sandy Soil

Physiological Role of Humic Acid, Amino Acids and Nitrogen Fertilizer on Growth of Wheat under Reclaimed Sandy Soil



Ahmed A. Kandil, Ali. E.M. Sharief, Saleh E. Seadh, Dhurgham S.K Altai



In order to evaluate productivity of some wheat
cultivars grown in sandy, saline soil under foliar spraying with humic
acid, amino acids and nitrogen fertilizer levels. Highest chlorophyll b
and carotenoid content, percentage of sodium and calcium, tallest plants
and higher number of tillers/plant were achieved from Gemiza 9
cultivar. The highest relative growth rate (RGR) and net assimilation
rate (NAR), chlorophyll and total chlorophyll values, higher flag leaf
area and stem diameter were resulted from Giza 168 cultivar. While,
higher percentages of proline, total phenols and potassium percentages
were found from Shaka 93 cultivar. The earlier for a number of days to
heading and flowering were resulted from Shaka 93 cultivar. Application
of humic and amino acid mixture significantly enhanced total leaf
area/plant, plant dry weight after 75 and 95 days from sowing (DFS),
RGR, NAR, photosynthetic pigments, i.e. chlorophyll a, chlorophyll b and
carotenoids and proline contents. In addition, highest total phenols,
potassium and calcium percentages, height flag leaf area, tallest
plants, highest stem diameter and number of tillers/plant compared with
other foliar spraying treatments. Accordingly, it could be recommended
that foliar spraying wheat plants Giza 168 cultivar with the mixture of
humic acid and Amino acids with addition, mineral fertilizing with 262
kg N/ha to obtain the best growth characters of wheat under newly
reclaimed sandy saline soil conditions. 



10.22161/ijeab/2.2.22



http://ijeab.com/upload_document/issue_files/22%20IJEAB-MAR-2017-14-Physiological%20Role%20of%20Humic%20Acid,%20Amino%20Acids.pdf



http://ijeab.com/submit-paper/

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