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71.如何进行保护地内滴灌系统的规划设计? 保护地内滴灌系统规划设计的一般程序是: 1.收集资料需要收集的主要资料有:①保护地设施情况,包括采用何种形式的保护设施、保护地位置及面积大小;②地形资料,要求提供地面坡度及走向;⑧土壤资料,包括土壤类型、持水能力及渗水特性,④作物资料,主要包括作物种类、需水特点、栽培方式、栽培密度及灌水经验等;⑤水源情况,包括水源位置、水源类型、水源压力、水生物含
71. How to design and plan drip irrigation system in protected areas? The general procedures of drip irrigation system planning and design in protected areas are as follows: 1. Data Collection The main data to be collected are: ① The situation of the protected area facilities, including the types of protection facilities used, the protection Location and size of the land; ② topographical data, which provide the slope and direction of the ground; ⑧ soil information, including soil type, water holding capacity and water seepage characteristics; ④ crop information, including crop types, water characteristics, cultivation methods, And irrigation experience, etc .; ⑤ water conditions, including the location of water sources, water types, water pressure, aquatic organisms containing