A robotic procedure for the determination of soil lime requirement

被引：4

作者：

Joyce, MF ^{[1
]}

Langan, PA ^{[1
]}

Quigley, MN ^{[1
]}

Reid, WS ^{[1
]}

机构：

[1] CORNELL UNIV,DEPT SOIL CROP & ATMOSPHER SCI,NUTRIENT ANAL LABS,ITHACA,NY 14850

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 1995年 / 26卷 / 19-20期

关键词：

D O I：

10.1080/00103629509369534

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

A commercial laboratory robot has been programmed to aid in the determination of soil lime requirement. Soil samples submitted to our laboratory, after drying, grinding, acid sieving, are manually scooped into racks of pre-weighed glass tubes. From this point onward, the robot performs all functions. The weight of soil in each tube is obtained using an analytical balance. Deionized water is added using a mobile piper, and the contents of each tube stirred, and optionally centrifuged. The soil/water pH (pHw) is determined using a mobile combination electrode. SMP buffer solution is added, the contents stirred, optionally centrifuged again, and the soil/SMP buffer pH (pHSMP) value is obtained. The weight and two sets of pH data for each soil sample are transferred to disk, and lime requirement results calculated using a computer spreadsheet program.

引用

页码：3385 / 3403

页数：19

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