灌溉施肥在保护地蔬菜栽培中的应用.pdf

1阎 鹏 山东省土壤肥料总站 Shandong Soil and Fertilizer Head Station, China 灌溉施肥在保护地蔬菜栽培中的应用 Fertigation Application in Vegetables under Protected Conditions in Shandong Province Prof. Yan Peng Yan Peng; IPI International Symposium on Fertigation; Optimizing the utilization of water and nutrients; Beijing, September 20-24, 2005 1. 保护地蔬菜灌溉施肥发展态势与推广中 的问题 Current Situation of Fertigation and the Problems with Extending Fertigation in Shandong province 2. 灌溉施肥系统形式与加肥方法 The Patterns of MIS and Methods Injecting Fertilizer Solution 3. 灌溉施肥的管理 Fertigation Management under Protected Culture 4. 灌溉施肥的经济效益 Economical efficiency of fertigation under Protected Culture Yan Peng; IPI International Symposium on Fertigation; Optimizing the utilization of water and nutrients; Beijing, September 20-24, 2005 21.1 灌溉施肥的历史 History of Fertigation in Shandong Province 第一阶段：1974—1983 引进技术 试验 初步推广 First Stage: Introduced and Early Trials and Extension 第二阶段：1984—1995 徘徊曲折 Second Stage: Stagnated Stage 第三阶段: 1995—2005 稳步发展和推广 Third Stage: Steady Development 1. 保护地蔬菜灌溉施肥发展态势与推广应用中的 问题 Current Situation of Fertigation and the Problems with Extending Fertigation in Shandong Province Yan Peng; IPI International Symposium on Fertigation; Optimizing the utilization of water and nutrients; Beijing, September 20-24, 2005 山 东 省 （1974-2004）微 灌 发展面积 Extended Micro-irrigation Area (1974-2004) in Shandong 0. 1 0. 3 0. 15 2. 2 7. 8 0 2 4 6 8 10 1974 1983 1990 1996 2004 × 104ha source: water resource department of Shandong Province micro-irrigation fertigation Yan Peng; IPI International Symposium on Fertigation; Optimizing the utilization of water and nutrients; Beijing, September 20-24, 2005 31.2 山东省灌溉施肥应用面积(2004) Fertigated and Micro-irrigated Areas in Shandong Prov. total area 7.8 ×104ha fertigation micro-irrigation 90% vegetables 2.1×104ha fruit trees 5.7 ×104ha 25% 42.5% Yan Peng; IPI International Symposium on Fertigati