The effect of nitrogen source and population density on corn production [electronic resource]: A- growth analysis and parameters.

By: Contributor(s): Language: English Summary language: Arabic Description: p.Ag.55-69Other title:
  • تأثير مصدر النتروجين والكثافة النباتية على الذرة الشامية : 1- قياسات وتحليل النمو [Added title page title]
Uniform titles:
  • Annals of agricultural science, Moshtohor, 2008 v.46 (1) [electronic resource].
Subject(s): Online resources: In: Annals of Agricultural Science, Moshtohor 2008.v.46(1)Summary: This investigation was carried out during 1999 and 2000 seasons, at the Agricultural Experiment and Research Station, Faculty of Aviculture, Cairo University at Giza, Egypt to study, the effect of N fertilization treatments (mineral as urea (46.5% N) with farmyard manure (FYM) as cattle manure) and plant population density (20000, 25000 and 30000 plant/fed.) on growth analysis and parameters of maize Single cross 10. The results showed that, in general, the most studied growth characters increased by raising the quantity of N from urea However, the differences between 120 kg N/fed as urea alone and 90 kg N/fed. as urea + 30 kg N/fed as cattle manure were insignificant in most characters, Also, increasing plant population density from 20000 to 30000 plant/fed. significantly increased plant height, time of 50% tasseling and sillcing, LAI, CGR., and R.GR. However., dry weight and leaf area per plant cleacreased The interaction between N combinations and plant population density had a significant effect on all studied characters.
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This investigation was carried out during 1999 and 2000 seasons, at the Agricultural Experiment and Research Station, Faculty of Aviculture, Cairo University at Giza, Egypt to study, the effect of N fertilization treatments (mineral as urea (46.5% N) with farmyard manure (FYM) as cattle manure) and plant population density (20000, 25000 and 30000 plant/fed.) on growth analysis and parameters of maize Single cross 10. The results showed that, in general, the most studied growth characters increased by raising the quantity of N from urea However, the differences between 120 kg N/fed as urea alone and 90 kg N/fed. as urea + 30 kg N/fed as cattle manure were insignificant in most characters, Also, increasing plant population density from 20000 to 30000 plant/fed. significantly increased plant height, time of 50% tasseling and sillcing, LAI, CGR., and R.GR. However., dry weight and leaf area per plant cleacreased The interaction between N combinations and plant population density had a significant effect on all studied characters.

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