Soil Test Results for 2010 PLOS
收藏资源简介:
Data collected in the field in 2010. Column headings include the following: 1) Year – Year that study was conducted. 2) Stage: Refers to the stage of dry bean development when data was collected including; Plant (Planting Stage); 2-4, 4-8, or 8-16 TL (trifoliolate leaf stage); Flower (flowering stage). 3) Bean: Refers to the bean market class used in the intercropping treatment plots including B - for black beans, N for Navy beans, NONE for when beans were not presents in a plot. 4) Grass: refers to grass species used in the intercropping treatment plot including R (Annual Ryegrass), O (Oats), C (Corn), W (Wheat), and NONE (when grass species was not present in the plot). 5) Rep: refers to replication or block number. 5) Salt - Refers to the soluble salt content in ppm. 6) OM - soil organic matter content in LOI percentage 7) Zn - soil zinc concentration in ppm 8) Fe - soil iron concentration in ppm 8) Mn - soil manganese concentration in ppm 9) Cu - soil copper concentration in ppm 10) NO - soil nitrate nitrogen concentration in ppm.
本数据集采集于2010年野外实地场景,其列标题及对应说明如下:1. 年份(Year):研究开展的具体年份。2. 生育阶段(Stage):指数据采集时干豆的发育阶段,涵盖播种阶段(Planting Stage)、2-4片三出复叶期(trifoliolate leaf stage,缩写TL)、4-8片三出复叶期、8-16片三出复叶期以及开花期(Flowering Stage)。3. 菜豆商品类型(Bean):指间作试验小区中使用的菜豆品类,其中B代表黑豆(black beans),N代表海军豆(Navy beans),NONE代表小区内未种植菜豆。4. 伴生草本物种(Grass):指间作试验小区中使用的草本种类,其中R代表一年生黑麦草(Annual Ryegrass),O代表燕麦(Oats),C代表玉米(Corn),W代表小麦(Wheat),NONE代表小区内未种植草本物种。5. 重复区组编号(Rep):指试验重复或区组的编号。6. 土壤可溶性盐含量(Salt):单位为ppm(百万分比浓度)。7. 土壤有机质含量(OM):采用灼烧减重法(Loss on Ignition,缩写LOI)测得的百分比数值。8. 土壤锌浓度(Zn):单位为ppm。9. 土壤铁浓度(Fe):单位为ppm。10. 土壤锰浓度(Mn):单位为ppm。11. 土壤铜浓度(Cu):单位为ppm。12. 土壤硝态氮浓度(NO):单位为ppm。



