北中南東地區環境親和型作物輪作經營模式之建立

Abstract

本試驗旨在探討利用環境親和型的作物輪作經營模式，來達到因應氣候變遷及提高糧食自給率的目的。在北部地區將二期連作水稻模式規劃成一期水稻，秋作旱作 (落花生、硬質玉米及甘藷) 的耕作模式，結果顯示種植水稻可減少農藥施用量，旱田則採用不 (低) 整地耕作措施來達到農地永續利用及環境親和之水旱田輪作經營模式；中部地區探討不同施肥量對作物生長與土壤環境之影響，結果顯示水稻-蔬菜-小麥輪作可降低施肥量來達到生產與環境兼顧；南部地區探討不同旱田輪作模式之經濟效益，結果顯示以薏苡-綠肥田菁-胡麻輪作模式之公頃淨收益最多；東部地區探討不同肥料及農藥投入量對於水旱輪作作物生長之影響，結果顯示可減少肥料及農藥投入、利用忌避作物及非農藥防治法達到環境親和水旱輪作經營模式的建立。 The purpose of this study was to use of environmental-friendly cropping rotation model to achieve due to climate change and increasing food self-sufficiency. In the northern region will be two cropping rice pattern planning into a rice, autumn crop dry farming (groundnut, corn and sweet potatoes) farming model, the results showed rice cultivation can reduce pesticide application rate, upland is adopted without (low) site preparation tillage practices to achieve the sustainable use of agricultural land and water environment field rotation affinity business model; explore different fertilizer effects on crop growth and soil environment of the central region, showed that rice- vegetables-wheat rotation can reduce the amount of fertilizer to achieve both production and the environment ; the southern region to explore the economic benefits of different upland cropping patterns, the results are displayed in Job's tears-green manure sesbania-sesame crop rotation patterns of hectares up to a net gain; eastern region to explore the different inputs of fertilizers and pesticides impact of floods, droughts and crop rotation, the results show can reduce fertilizer and pesticide inputs, use repellent and non-crop pesticide prevention act to achieve environmental affinity upland rotation model.