旱坡地密植枣树节水丰产技术１９９０年，山西省石楼县郝家山村在林县科技人员的帮助下开展了旱坡地密植节水丰产技术试验。采用行距４、５、６ｍ三种规格，沿等高线水平式通壕整地，表土层上撩，新土层外翻，形成坑与坑之间的自然分融，外高内低４５°坑面，可保土、保水... On the slope of dense planting jujube tree water-saving and high yielding technology In 1990, Shanxi Province, Shilu Hao Jiashan village in Linxian science and technology personnel to carry out the dry land slope planting water-saving high yield technology test. Using line spacing 4,5,6 m three specifications, along the contour of horizontal through trench site preparation, the topsoil on the lift, the new soil valgus, the formation of natural pit and pit integration, the outer high 45 ° pit Surface, can earth, water ...