葡萄种植区生态地球化学特征研究

Study on the ecological geochemical characteristics in the grape planting area

本文在葡萄种植区分别采集了0～20cm、20～40cm、40～60cm的土壤样品,共计84件,并采集了灌溉水样品14件,开展了土壤环境质量评价和土壤肥力水平评价。在葡萄种植区开展的土壤地质环境调查显示,土壤环境较为清洁,八项重金属元素含量远远低于相关标准,土壤灌溉水中氟元素存在超标现象。对土壤中大量元素和微量元素进行的肥力评价显示,土壤大量养分肥力水平具有随深度增加而逐渐降低的趋势,微量养分在不同深度差异不大。由于葡萄属于深根作物,结合种植区土壤肥力水平,建议在施肥过程中加大施肥深度。葡萄籽实中富含硼、铁、钼等营养矿质元素,同时氟元素的含量也高于其他产地。

The 84 soil samples with the depth of 0~20cm,20~40cm and 40~60cm were collected in the grape planting area,and 14 samples of irrigation water were collected.In this paper,the soil environmental quality evaluation and soil fertility level were evaluated.The survey of soil geological environment in the grape planting area showed that the soil environment was relatively clean,and the contents of the eight elements are far lower than the relevant standards.The fluorine elements in the soil irrigation water exceeded the standard.The fertility evaluation of a large number of elements and trace elements in the soil showed that the soil nutrient fertility level decreased gradually with the increase of depth,but the difference of micronutrients in different depths was not significant.According to the level of soil fertility in the grape planting area,as well as the grape belonging to one of the deep-rooted crops,it should increase the depth of fertilization in the process of fertilization.Grape seeds are rich in boron,iron,molybdenum and other nutrient mineral elements,and the content of fluorine is also higher than other areas.