EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI
Fawy, H., Attia, M., Hagab, R. (2017). EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI. EKB Journal Management System, 67(1), 171-185. doi: 10.21608/ejdr.2017.5851
Hassan A. Fawy; Moharam F. Attia; Rehab H. Hagab. "EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI". EKB Journal Management System, 67, 1, 2017, 171-185. doi: 10.21608/ejdr.2017.5851
Fawy, H., Attia, M., Hagab, R. (2017). 'EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI', EKB Journal Management System, 67(1), pp. 171-185. doi: 10.21608/ejdr.2017.5851
Fawy, H., Attia, M., Hagab, R. EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI. EKB Journal Management System, 2017; 67(1): 171-185. doi: 10.21608/ejdr.2017.5851

EFFECT OF NITROGEN FERTILIZATION AND ORGANIC ACIDS ON GRAINS PRODUCTIVITY AND BIOCHEMICAL CONTENTS OF QUINOA PLANT GROWN UNDER SOIL CONDITIONS OF RAS SADER-SINAI

Egyptian Journal of Desert Research
Article 10, Volume 67, Issue 1 - Serial Number 67, June 2017, Page 171-185  XML PDF (642.45 K)
Document Type: Original Article
DOI: 10.21608/ejdr.2017.5851
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Authors
Hassan A. Fawy; Moharam F. Attia; Rehab H. Hagab email
Department of Soil Fertility and Microbiology, Desert Research Center, Cairo, Egypt
Abstract
A field experiment was carried out at Ras Suder Research Station (located at 29º 32' 28" N and 32º 39' 25'' E) throughout  two seasons, i.e., 2014 and 2015 (saline soil of 8.56 dS m-1, soil  paste extract) and irrigated with water of 7.94 dS m-1  on quinoa (Chenopodium quinoa, cv. Utosaya)  using organic manure, mineral N-fertilization and foliar spry with humic and ascorbic acids. Growth, yield and nutrient uptake parameters increased with increasing  N  fertilizer, application of humic acid and spraying with ascorbic acid. Treatments with organic manure gave yield values greater than without manure by 9.0, 7.3, 8.9 and 9.4% for plant height, number of branches per plant, 1000-seed weight  per plant and total seed yield. The combination of 48 mg organic manure ha-1 + 240 kg N  ha-1  with spraying with humic acid solution of 600 mg L-1 + ascorbic acid solution of 1000 mg L-1  gave the highest positive response of plant height (cm) of 118, 26.4, 3.97 and 16.8 for plant height, number of branches per plant, 1000-seed weight, seed weight per plant and seed yield, respectively. The highest values were obtained for 1000-seed weight, yield and nutrient uptake. Treatments in relative comparison of the three highest  treatment combinations are manure/148 kg N/ humic acid 300 mg L-1 /ascorbic acid 500 mg L-1 < manure/240 kg N/ humic acid 600 mg L-1 /ascorbic acid 1000 mg L-1.
Keywords
N soil fertilizer; Humic acid; ascorbic acid; organic manure; quinoa production; Sandy loam soil; Ras Suder-Sinai
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