EFFECT OF NITROGEN SOURCES, HUMIC ACID AND IRON FOLIAR APPLICATIONS ON PEA.

Doklega, Samar M. A.

doi:10.21608/jpp.2015.52428

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	EFFECT OF NITROGEN SOURCES, HUMIC ACID AND IRON FOLIAR APPLICATIONS ON PEA.
Article 8, Volume 6, Issue 12, December 2015, Page 2035-2050 PDF (449.3 K)
Document Type: Original Article
DOI: 10.21608/jpp.2015.52428
View on SCiNiTO
Author
Samar M. A. Doklega^*
Veget. and Flori. Dept., Fac. Agric., Mansoura Univ., Egypt.
Abstract
This investigation was conducted at the Experimental Station, Mansoura University, Egypt during the two successive winter seasons of 2013/2014 and 2014/2015 to study the effect of three nitrogen sources ( ammonium sulphate, ammonium nitrate and urea), humic acid addition and iron foliar application on vegetative growth, yield and chemical constituents of pea plants cv. Little Marvel. The results indicated that the highest values of vegetative growth parameters, i.e. fresh and dry weights, plant length and number of leaves/plant were recorded when plants treated with ammonium nitrate, humic acid and sprayed with iron solely in the two seasons. The same treatments gave superiority comparing with the other treatments as for chemical composition: N, P, K, Fe, Mn, Zn, Chlor. a, b and total in leaves and seeds, the highest values of pods quality i.e. carbohydrates, sugar contents, VC% and minimum value of NO3-N were also recorded. Moreover interaction treatment of ammonium nitrate, humic acid addition and foliar spraying with iron gave the highest value of yield with significant differences in two seasons of study. Therefore, this treatment could be recommended for improving pea performance under similar conditions of this study.


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