Yield and economic return response of silage maize to different levels of irrigation water in a sub-humid zone
作者： Abdullah Karasu , Hayrettin Kuşçu , Mehmet Öz
DOI: 10.13080/Z-A.2015.102.040
关键词:
摘要: Field studies were conducted during the summers of 2007 and 2008 to determine response silage maize (Zea mays L.) different levels irrigation water guide programs for development improved management practices sub-humid zones. The experiments carried out in Bursa, Marmara region, Turkey. Silage plants (cv. ‘Ada-523’) subjected using a drip system field on clay-loam soil. Fully irrigated (FI = 100%) at 100% pan evaporation (Epan) replenishment with 7-day intervals. In other treatments, was applied as excessive (EI 125% Epan) deficit (DI-75 75% Epan, DI-50 50% DI-25 25% NI – no irrigation). Plant height, first ear stem diameter, number ears per plant net income decreased decreases amount irrigation, but effect soil leaves ratio forage minor. highest yields obtained EI (125% Epan), FI (100% DI-75 (75% treatments. treatment produced based yield. Severe substantially reduced both years. results showed that full whole growing season is preferable higher yield income. However, regions scarcity, farmers should adopt (DI75 75%, approach achieve economically sustainable crop production. As an alternative entire season, rate DI-75% Epan can be recommended optimal level because it achieved savings 25%, increase 16% use efficiency, satisfactory morphological characters acceptable loss only approximately 7% compared irrigation.
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