Effect of Municipal Wastewater with Manure and Chemical Fertilizer on Grain Yield and Yield Components in Corn KoSc 704

摘要

In order to study effects of wastewater with two kind of fertilizers (manure and chemical fertilizer) on grain yield and yield components in corn (KoSc 704) a field experimental was conducted at the university of Zabol in Iran during 2007 growing season. The experiment was conducted as split block design with three replications. The treatments were comprised of two levels of irrigation water (W₁ = well water and W₂ = wasetewater) in main plot and five levels of fertilizer (F₁ = control, F₂ = manure: 30 ton ha^a?"1, F₃ = manure: 15 ton ha^a?"1, F₄ = NPK: 350, 200 and 100 kg ha^a?"1 and F₅ = NPK: 175, 100 and 50 kg ha^a?"1) in sub plot. Results showed irrigation with wastewater significantly increased grain yield of corn than usual water. Also, wastewater had positive significantly influence on grain yield and all yield components , but the most effective of wastewater on yield components was on the 1000-seed weight. Among the fertilizer, F₄ in all situations had the most effective on the grain yield and yield components and increased them.