论文部分内容阅读
无公害农业的根基是土壤。为了了解乌鲁木齐市土壤养分的丰缺以及分布状况,新疆农科院土壤肥料研究所与乌鲁木齐市蔬菜研究所协作,于2004年4月和10月采用GPS定位在乌鲁木齐采集耕层0-20厘米土壤样品1212个,采样过程中将GPS采样点在乌鲁木齐1:5万电子地图上进行标注,并对采样点分布不均的地方进行补采,使所采的样点在全区范围内具有代表性。对所有
The foundation of pollution-free agriculture is soil. In order to understand the abundance and shortage of soil nutrients and their distribution in Urumqi, Xinjiang Institute of Soil and Fertilizer Institute of Urumqi and Urumqi Vegetable Research Institute in collaboration in April and October 2004 using GPS positioning collected in Urumqi 0-20 cm soil Sample 1212, the sampling process GPS sampling points in Urumqi 1: 5 million electronic map for labeling, and uneven distribution of sampling points for re-mining, so that the sample taken in the region within the representative . For all