A not-for-profit agency is working toward developing soil maps and making them available on the Internet.
一个非盈利机构正在制作土壤地图并把它放在互联网上。
Spatial distribution maps and (semi -) variograms that can explicitly explain the random and structural variability of soil salinity were also mapped.
绘制了各土层盐分的随机性和结构性的半方差图以及空间分布图。
Based on the soil erosion maps in 1958, 1975, 1982 and 1996, GIS software was used to produce soil erosion grid maps.
利用1958年、1975年、1982年和1996年的土壤侵蚀强度等级图，在GIS软件支持下生成土壤侵蚀强度栅格分类图。
Fertilizer prescription integrated soil nutrient distribution maps with variable -rate fertilization decision making model is built.
根据土壤养分分布图结合变量施肥决策模型，生成施肥处方图，为变量施肥的实施提供了依据。
Furthermore, the maps of regional soil drought are obtained based on the model and the needs of crops on soil water.
根据作物对土壤水的要求，进一步求得了区域土壤旱情分布图。
Kriging maps comparing suggested harvesting had an obvious influence on spatial pattern for soil moisture and temperature in the spring.
克立格空间插值图的比较表明，采伐干扰对土壤表层水分、温度空间格局的影响在春季体现得最为明显。
The difference of soil nutrient between operation units can be learned from the maps, and the decision and operation for variable rate fertilization can be made according to the difference.
依此可以了解田间土壤养分差异，并根据该差异进行变量施肥决策和变量施肥作业。
The distribution maps of soil salt content were obtained using GIS, which quantitatively assess the distribution condition of saline soil in irrigation area.
利用地理信息系统软件，绘制灌区不同土壤层次的盐分分布图，定量评价了灌区内土壤盐渍化程度的分布状况。
Kriging interpolation maps for residuals were drawn. The residuals of classic regression and spatial regression had high consistency, and the distributions were in line with the soil nutrients.
对回归模型残差进行逆距离权重插值，发现空间回归和传统回归的残差分布具有较高的一致性，并且符合土壤养分分布情况。
Kriging interpolation maps for residuals were drawn. The residuals of classic regression and spatial regression had high consistency, and the distributions were in line with the soil nutrients.
对回归模型残差进行逆距离权重插值，发现空间回归和传统回归的残差分布具有较高的一致性，并且符合土壤养分分布情况。
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