primary soil meaning in English
原生土
原始土壤
Examples
- The primary soil in the watershed include sand land , yellow land , which is 57 . 59 % of the whole watershed
土壤类型主要以沙夹泥田、黄沙泥土为主，共占流域面积的57 . 59 。 - Generally speaking , the big primary soil sample collected in shaft is the true primary state soil sample , the sample collected by soil collected equipment in drilling is of different degree disturbance
一般认为竖井中采取的大块土样，是“真正”的原状样，钻孔中使用取土器采取的原状样存在不同程度的扰动。 - We mensurate the number of the primary soil microbes such as bacteria , fungi and azotobacter with diluting flat technique , and mensurate the number of cellulose decomposing bacteria with mpn technique , and mensurate the biological quantity of the soil microbes with the technique of chloroform suffocating - inundation culture - colour - compared
本文以长期垄作免耕试验田为研究对象，采用稀释平板计数法测定了土壤中主要的微生物细菌、真菌、自生固氮菌数量，用mpn (最大或然值法)测定纤维素分解菌的数量，采用氯仿熏蒸?淹水培养?纳氏比色法测定微生物生物量。 - The data used in this dissertation originate from 3 regions in china - the northeast , the north china plain and the mid - lower yangtze river - and cover 6 provinces , 15 counties , and 180 sample plots . the data include information on soil fertility , quality , and corresponding socio - economic data for the households farming the sample plots . the primary soil fertility indicators analyzed are soil organic matter , total nitrogen , effective phosphorus , and effective potassium
本文选择有机质、全氮、速效磷和速效钾4个与农作物生长发育密切相关的土壤化学指标作为土壤肥力的基本分析指标；选取东北、华北和长江中下游3个地区，包括黑龙江、吉林、北京、河北、江苏和浙江6个省份15个县市180个样本地块。