【正文】 ................ 10 項目建設(shè)期 ............................................................................................. 10 項目建設(shè)性質(zhì) ......................................................................................... 11 四、問題與建議 .................................................................................................. 11 項目存在的主要問題 ............................................................................... 11 建議 ....................................................................................................... 11 第二章 市場預(yù)測及風(fēng)險分析 .................................................................................... 12 一、市場現(xiàn)狀調(diào)查 ............................................................................................... 12 二、產(chǎn)品供需預(yù)測 ............................................................................................... 12 三、價格預(yù)測 ...................................................................................................... 13 四、競爭力分析 .................................................................................................. 13 五、市場風(fēng)險分析 ............................................................................................... 13 六、防范風(fēng)險對策 ............................................................................................... 14 第三章 自然資源與社會條件評價 ............................................................................. 14 一、資源可利用量 ............................................................................................... 14 二、資源品質(zhì)情況 ............................................................................................... 14 三、資源賦存情況 ............................................................................................... 15 四、資源開發(fā)價值 ............................................................................................... 15 五、自然資源分析 ............................................................................................... 16 六、社會評價結(jié)論 ............................................................................................... 17 第四章 建設(shè)規(guī) 模與產(chǎn)品方案 .................................................................................... 17 一、建設(shè)規(guī)模與產(chǎn)品方案的構(gòu)成 .......................................................................... 17 二、建設(shè)規(guī)模與產(chǎn)品方案的比選 .......................................................................... 17 三、推薦的建 設(shè)規(guī)模與產(chǎn)品方案 .......................................................................... 18 第五章 場址選擇 ...................................................................................................... 18 一、場址現(xiàn)狀 ...................................................................................................... 18 二、場址方案比選 ............................................................................................... 19 三、推薦的場址方案 ........................................................................................... 19 第六章 技術(shù)方案、設(shè)備方案和工程方案 ................................................................. 19 一、技術(shù)方案選擇 ............................................................................................... 19 （一）、半夏種植技術(shù)方案 ........................................................................... 20 土地整理 ......................................................................................... 20 3 繁殖方法 ......................................................................................... 20 (1)球莖繁殖 ............................................................................. 20 (2)珠芽繁殖 ............................................................................. 20 田間管理 ......................................................................................... 21 (1)及時追肥 ............................................................................. 21 (2)做好排灌和培土 .................................................................. 21 (3)適時摘蕾 ............................................................................. 21 病蟲害防治 ...................................................................................... 22 (1)球莖腐爛病 ................................................................................ 22 (2)縮葉病 ....................................................................................... 22 (3)蚜蟲 ........................................................................................... 22 (4)菜青蟲 ....................................................................................... 23 采收加工 ......................................................................................... 23 （二）、獨腳蓮種植技術(shù)方案 ........................................................................ 24 選地整地 ......................................................................................... 24 種植方法 ......................................................................................... 24 ⑴．種子種植 ................................................................................. 24 ①直播 .................................................................................... 24 ②育苗移栽 ............................................................................. 25 ⑵．根莖種植 ................................................................................. 25 田間管理 ......................................................................................... 25 ⑴．間苗補苗 ................................................................................. 25 ⑵．中耕除草 ................................................................................. 26 ⑶．遮蔭 ........................................................................................ 26 ⑷．培土 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