Exploring Critical Soil Test Values

Disclaimer: I’m a part of some ongoing work with FRST that will be published later…
Mar 24, 2023
Austin

Bootstrapping the Cate-Nelson

agriculture
statistics
modeling
soil chemistry
soil testing
soiltestcorr
R

Getting confidence intervals on the hard splits.
Jan 30, 2023

Bootstrap confidence intervals on a linear-plateau model in R

agriculture
statistics
modeling
soil chemistry
soil testing
soiltestcorr
R

Crop yields go up a line, then level off at some uncertain point.
Jul 26, 2022

Two a Temple

map
ArcGIS
GIS
network analysis
visualize
Church of Jesus Christ

Do you live within two hours of an LDS temple?
Oct 19, 2021

Fit quadratic-plateau models in R

agriculture
statistics
modeling
soil chemistry
soil testing
R

Crop yields go up a curve, then level off.
Jul 13, 2021

Fit linear-plateau models in R

agriculture
statistics
modeling
soil chemistry
soil testing
R

Crop yields go up a line, then level off.
Feb 19, 2021

Photos

photography

Sort of like an Instagram feed.
Dec 23, 2020
Austin

 

Sciencish

humor
wit

Sounds about right.
Feb 24, 2020

Summary of Rissman and Carpenter’s ‘’Progress on Nonpoint Pollution’’

modeling
policy
regulation
spatial
temporal
water quality

Progress on limiting nonpoint source pollution is slow for many reasons, but limiting pollution is still a worthy endeavor.
Sep 9, 2019

Finding the point of zero charge

R
soil chemistry

What is the point of this anyways?
Apr 15, 2018

 

MaxEnt and Soil Phosphorus

Soil
Spatial
A map of soil properties is, in my opinion, a highly valuable asset. It is also an asset that is hard to produce
Dec 14, 2017
Austin Pearce

 

Extracting Phosphorus from Soil Using the Olsen Bicarbonate Method

soil
soil testing
analytical chemistry

So how does one measure the amount of plant-available P in soil?
Dec 13, 2017

 

How to Sample Biosolids

biosolids
sampling

Sample before you apply this product of wastewater treatment to croplands.
May 14, 2017

Notes & Quotes Deep Work by Cal Newport

productivity
books
reading
The following is a summary of Cal Newport’s book Deep Work. Much of what is written below is either his own words or my paraphrasing of them.
Oct 10, 2016

 

3D of 3P

Phosphorus
Soil Testing
Visualize
Phosph…
Aug 1, 2016

 

Beating Procrastination Cal’s Way

learning
productivity
work
Have you ever heard it said when a student is procrastinating their schoolwork that maybe it’s because the subject matter isn’t motivating enough, or the materials aren’t…
Sep 2, 2014
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