Influence of Nitrogen Fertilization and Foliar Spraying with Chelated Iron on Growth and Quality of Faba Bean in Sandy Soils

Hafiz, S. I., E. H. Sweilem
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Abstract

: Two field experiments were conducted during 2019/2020 and 2020/2021 seasons at El-Qasasin district in Ismailia Governorate to study the effect of four nitrogen fertilization treatments namely 20, 40, 60 and 40 Kg N/fad plus spraying with 1% urea as well as three concentrations of chelated iron (12.5% Fe) as foliar spraying namely tap water (control), 750 and 1500 ppm on growth and quality of faba bean ( Vicia faba L.) Nubaria 3 variety in sandy soils of Ismailia Governorate. All growth characters namely plant height, number of branches per plant, leaves area per plant, leaf area index, total dry weight of plant and total chlorophyll content in leaves as well as seed crude protein percentage of faba bean were significantly increased by raising nitrogen fertilization rate up to 60 Kg N /fad, which also exceeded significantly the treatment of 40 Kg N/fad plus spraying with 1% urea. Increasing chelated iron concentration as foliar spraying up to 1500 ppm statistically increased all aforementioned characters. The interaction between nitrogen fertilization and foliar spraying with chelated iron affected significantly all aforementioned characters. The highest values of the studied characters produced from faba bean plants received 60 Kg N/fad and sprayed with 1500 ppm chelated iron.
施氮和叶面喷施螯合铁对沙质土壤蚕豆生长和品质的影响
摘要:2019/2020年和2020/2021年在Ismailia省El-Qasasin区进行了2个田间试验,研究了4种氮肥处理(20、40、60和40 Kg N/fad + 1%尿素喷施)和3种浓度的螯合铁(12.5% Fe)叶面喷施(对照)、750和1500 ppm)对蚕豆(Vicia faba L.)生长和品质的影响。伊斯梅利亚省沙质土壤中的Nubaria 3品种。施氮量提高到60 Kg N/fad时,蚕豆的株高、单株分枝数、单株叶面积、叶面积指数、植株总干重、叶片总叶绿素含量和种子粗蛋白质率均显著提高,且显著高于40 Kg N/fad加1%尿素的处理。当叶面喷施螯合铁浓度达到1500 ppm时,统计上增加了上述所有性状。施氮与叶面喷施螯合铁互作对上述性状均有显著影响。以60 Kg N/fad和1500ppm螯合铁处理的蚕豆植株为试验材料,所产性状最高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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