Abdo,, F., Anton, N., Hana, F. (2002). THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS.. Journal of Plant Production, 27(10), 6557-6566. doi: 10.21608/jpp.2002.256522
Fatma A. Abdo,; N. A. Anton; Fardoas R. Hana. "THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS.". Journal of Plant Production, 27, 10, 2002, 6557-6566. doi: 10.21608/jpp.2002.256522
Abdo,, F., Anton, N., Hana, F. (2002). 'THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS.', Journal of Plant Production, 27(10), pp. 6557-6566. doi: 10.21608/jpp.2002.256522
Abdo,, F., Anton, N., Hana, F. THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS.. Journal of Plant Production, 2002; 27(10): 6557-6566. doi: 10.21608/jpp.2002.256522
THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS.
Crops Physiology Res. Sec., Field Crops Res. Inst., Agric. Res. Center, Giza, Egypt.
Abstract
Field experiments were conducted at Ismailia Agric. Res. Station during the two successive seasons of 1999 and 2000 to study the effect of applying methods of micronutrients mixture ( Fe + Zn +Mn) as coating seeds or foliar spray in combination with four different levels of nitrogen fertilizer; i.e. , 30 , 60 , 90 and 120 kg N/fed on sunflower.plant 'Euroflower hybrid' under sandy soil conditions. The results revealed that:
1- Coating sunflower seeds by mlcronutrlents mixture (Fe +Zn + Mn) increased significantly plant height, leaf area I plant, specific leaf weight, stem diameter, seed yield I plant and seed yield Ifed compared to foiiar spary method with rnlcronutrtients. mixture of Fe, Zn and Mn . Also, coating method increased oil content, protein content, oil and protein yields Ifed compared with foliar application one.
2- Increasing nitrogen fertilizer from 30 up to 120 kg N/fed increased significantly plant height, leaf area I plant , specific leaf weight , stem diameter , head diameter, 100-seed weight, seed yield I plant and seed yield I fed Also, protein content , oil and protein yields I fed increased with raising nitrogen levels. While , oil content decreased with raising nitrogen levels.
3- The interaction between applying methods of micronutrients mixture and nitrogen fertilization showed no statistical effect on all characters under investigatiorr.-- It could be concluded that coating sunflower seeds with rnicronutrients mixture
( Fe + Zn + Mn ) with adding 120 kg N/fed gave the highest productivity of sunflower plants; i.e, seed yield Ifed , oil and protein yields.