حجازی مهریزی, مجید

[ 1 ] - اثرات تجمعی و باقی‌مانده لجن فاضلاب شهری بر شکل‌های معدنی فسفر و ارتباط آنها با قابلیت دسترسی فسفر در یک خاک آهکی

Application of sewage sludge has been considered as an organic fertilizer in arid and semi-arid regions of Iran. This study was conducted to investigate cumulative and residual effects of sewage sludge on soil inorganic fractions and their relation to phosphorus (P) availability. Two levels of application (50 and 100 Mg ha-1) and three consecutive times of sewage sludge application (1, 3 and 5 ...