About this app

This app is designed to aid small plot researchers. It contains unit converter, area calculator and fertilizer rate calculator. It also calculates the amount of fertilizer material needed per plot, rep, and trial using fertilizer nutrient concentration, plot size, number of treatments and reps. This project is supported by Oklahoma Fertilizer CheckOff, Oklahoma Agriculture Experiment Stations and the Oklahoma Cooperative Extension.

Latest release

What’s New

Version 1.2 Sep 23, 2017

This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included. Misspelling corrected.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking