Effects of soil water conditions, sewage sludge, poultry manure and chemical fertilizers on macronutrients concentrations in rice plant
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
View: 979
This Paper With 11 Page And PDF Format Ready To Download
- Certificate
- من نویسنده این مقاله هستم
استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
ICECS01_071
تاریخ نمایه سازی: 23 خرداد 1392
Abstract:
In a greenhouse research, the effects of soil water conditions, sewage sludge, poultry manure and chemical fertilizers on concentrations of N, P, K, Ca, Mg and Na of rice plant (Oryza sativa cv. Ali Kazemi) were studied in a clay loam alkaline soil. The study was performed as a factorial experiment in a randomized complete blocks design including soil water conditions at three levels (continuous submergence, alternate submergence and alternate saturation) and source and amount of organic and chemical fertilizers at 10 levels (control, 100% chemical fertilizers (456.5 mg urea, 66.4 mg Ca(H2PO4)2 and 22 mg ZnSO4.7H2O/kg of soil), 6 g sewage sludge/kg of soil, 6 g sewage sludge/kg of soil+50% chemical fertilizers, 20 g sewage sludge/kg of soil, 20 g sewage sludge/kg of soil+50% chemical fertilizers, 3 g poultry manure/kg of soil, 3 g poultry manure/kg of soil+50%chemical fertilizers, 6 g poultry manure/kg of soil and 6 g poultry manure/kg of soil+50% chemical fertilizers) with three replications. Results showed that macronutrients concentrations were increased significantly by application of organic and chemical fertilizers especially poultry manure. In general, application of 6 g poultry manure/kg of soil enhanced shoot concentrations of N, P, K and Mg and root concentrations of P and Ca compared to control. Among of soil water conditions, alternate saturation increased shoot concentrations of N, P, Ca, Mg and Na and root concentrations of K and Mg compared to continues and alternate submergence. The average of shoot concentrations of K and Ca was greater than the average of root concentrations of them and the shoot concentrations of P, Ca and Mg was less than root concentrations of them.
Keywords:
Authors
Nosratollah Najafi
Assistant Professor, Soil Science Department, Faculty of Agriculture, University of Tabriz
Masoumeh Abbasi
Former Graduate Student, Soil Science Department, Faculty of Agriculture, University of Tabriz
مراجع و منابع این Paper:
لیست زیر مراجع و منابع استفاده شده در این Paper را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود Paper لینک شده اند :