El-Agrodi, M., Labeeb, G., Mohamed, M., Abdou, T. (2012). EFFECT OF DIFFERENT FERTILIZER SOURCES ON YIELD AND SOME NUTRIENT CONTENTS OF SPINACH PLANT (Spinacia oleracea L.). Journal of Soil Sciences and Agricultural Engineering, 3(9), 911-921. doi: 10.21608/jssae.2012.54371
M.W. El-Agrodi; G. Labeeb; M.R. A. Mohamed; T. A. M. Abdou. "EFFECT OF DIFFERENT FERTILIZER SOURCES ON YIELD AND SOME NUTRIENT CONTENTS OF SPINACH PLANT (Spinacia oleracea L.)". Journal of Soil Sciences and Agricultural Engineering, 3, 9, 2012, 911-921. doi: 10.21608/jssae.2012.54371
El-Agrodi, M., Labeeb, G., Mohamed, M., Abdou, T. (2012). 'EFFECT OF DIFFERENT FERTILIZER SOURCES ON YIELD AND SOME NUTRIENT CONTENTS OF SPINACH PLANT (Spinacia oleracea L.)', Journal of Soil Sciences and Agricultural Engineering, 3(9), pp. 911-921. doi: 10.21608/jssae.2012.54371
El-Agrodi, M., Labeeb, G., Mohamed, M., Abdou, T. EFFECT OF DIFFERENT FERTILIZER SOURCES ON YIELD AND SOME NUTRIENT CONTENTS OF SPINACH PLANT (Spinacia oleracea L.). Journal of Soil Sciences and Agricultural Engineering, 2012; 3(9): 911-921. doi: 10.21608/jssae.2012.54371
EFFECT OF DIFFERENT FERTILIZER SOURCES ON YIELD AND SOME NUTRIENT CONTENTS OF SPINACH PLANT (Spinacia oleracea L.)
1Soils Dept., Fac. of Agric. Mansoura Univ., Egypt.
2Plant Nutrition Dept., Soil, Water and Enviro. Res. Inst, Agric. Res. Center
Abstract
Two field experiments (the first one started on 3/11/2010 and the second was on 3/1/2011) were carried out to investigate the. yield and quality of spinach as influenced by organic ( two levels: 0.0 and 15 m3 compost fed-1), Bio. ( 0.0 , Microbine and Nitrobine ) and chemical fertilization ( Four levels; 0.0 , 50.0 , 100.0 and 150 % of recommended dose) at EL-Gawashna village, EL- Sharkia Governorate, Egypt. The possible combination between the studied factors levels represented 24 treatments The obtained results can be summarized in
Increasing mineral fertilizations from 0 – 50% led to a progressive increase in yield weight amounted by 20.649 % , while rising mineral fertilizations from 50.0 –100% led to a slight increase in that trait (0.856 %). 3.651 % increase in yield weight was noticed due to inoculation with both nitrobine and microbine.
Using organic fertilization decreased plant nitrate by 14 %. Spinach plant nitrate was decreased from 279.087 to 241.700 ppm as a result of Nitrobine fertilization and from 279.087 to 241.977 ppm as a result of microbine fertilization.
Increasing in spinach plant spinach nitrate was found concomitant with a constant increase in NPK mineral fertilization dose.
spinach plant nitrite was statistically responded to both compost application and bio- fertilization where statistically decreased in it's value compared with unfertilized treatment.
Organic fertilization tended to increase N content of spinach plant under any studied mineral fertilization level ( 50, 100 and 150 % of recommended dose)
Inoculation of spinach seeds before planting by nitrobine and microbine increased N content of spinach plant by 5 % and 5%, respectively.
No evidence for superiority of any inoculation than the other regarding to increasing the nitrogen content of spinach plant.
Compost effects did not appear on P content of spinach plant, whenever N P K fertilization have done .
Inoculation maximized phosphorus content of spinach plant where neither organic nor NPK mineral fertilization were added than that under another conditions .
No difference in Phosphorus content between nitrobine and microbine treatment means was found .
8- Phosphorus concentration was significantly increased with increasing N P K fertilization level till 100 % then decreased after that (150 % of N P K ) .
A slightly increase was found in K content due to both organic fertilizer and bio – fertilizer addition compared with no addition of each .
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