soil class

The soil seeds were positively correlated in the first distance class ( 0-10 m), while no clear spatial pattern was revealed in surface plant populations.

二者在遗传结构的空间分布上也不相同，地面植被种群无显著的空间自相关，而种子库种群在第一距离级上（0一10m）呈显著正相关。

Small-middle size soil animals belong to 5 phylum, 6 class, 9 order, 7 famility. The dominant groups is Nematoda.

中小型 土壤动物5门6纲9目7科, 优势类群为线虫.

Baijiang soil can he classified into alfisol class, cold alfisol subclass and albic cold luvisols class.

据此将白浆土划归淋溶土纲, 冷性淋溶亚纲,漂白冷性淋溶土土类.

Three soil characteristics are selected as family classification criteria. They are particle-size class, soil mineralogical type and soil temperature regime.

反映土壤理化性质并影响土壤利用管理的颗粒大小级别、矿物学类型和土壤温度级别是理想的土族分类标准；

The third class was soil intensity index of active acidity ( pH ( H 2 O ) ).

第三类是土壤活性酸强度指标 ( pH ( H2O ) ).

Based on analysis results of soil geochemical composite samples from a certain area of South Jiangxi, 41 Au anomalies have been delineated by means of logarithmic probabilistic and statistical method, comprising 20 Class A and 21 Class B anomalies.

据赣南某地区土壤地球化学组合样分析成果，经过对数概率统计处理，共圈出了金元素异常41处，其中甲类异常20处，乙类异常21处。