Irrigation Scheduler Products

Standard and User Schedule

The Standard Schedule specifies irrigation amounts based off of projected precipitation events. The User Schedule also specifies irrigation amounts based off of projected precipitation events or imputed station data and can be adjusted for User specified irrigation and precipitation events.

In this product format, the data is divided into observation data (starting 10 days prior to planting) and one week of forecast data. The product displays column headings for Date, Degree Day (DD), Accumulated Degree Day (ADD) CROP, WEATHER, SOIL, and SCHEDULE. There are sub headings under CROP, WEATHER, SOIL, and SCHEDULE. The sub heading variables (listed below) and their units are identified in a key at the bottom of the report. See the following listed report for an example of the Standard Schedule product.

Standard Schedule Sample Report
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Crop Heading

Under the CROP heading, the user will be able to view both crop stage (S) and root zone (RZ) as depth in inches. The root zone depth varies as a function of the prevailing weather conditions and crop development. It determines the maximum available water in the soil.

Weather Heading

Under the WEATHER heading, precipitation (PREC) and open water evaporation (EVA) are displayed in inches. In the "Based on OBSERVATION:" section, the observed precipitation is a simulated value, which will on most occasions differ from local measurements. The observed open water evaporation is also simulated; but being a conservation variable, it will be close to actual amounts.

In the "Based on FORECAST:" section, the predicted precipitation and open water evaporation are forecasts, which will differ from observations. The effective precipitation (EPR) and the actual evapo-transpiration (EVT) represent the adjusted amounts of moisture being added to and subtracted from the soil water.

Soil Heading

There are three soil moisture variables under the SOIL heading. They are the maximum available water (AWX), available water (AW), and the schedule available water (AWS). The minimum available water, which is the permanent wilting point, is not listed but is defined as the available water at zero inches. That is, there is no water available for the crop. The available water (AW) fluctuates on a daily basis between maximum and the minimum value. Depending on a grower's irrigation practices, it will trend below and above the stress value.

Schedule Heading

Under the SCHEDULE heading is the soil moisture deficit (DEF) and accumulated deficit (ADEF) in inches. These variables track the daily and accumulated losses from the soil that must be replenished by irrigation. The amount of required irrigation (IRR) and the accumulated irrigation (AIRR) over a season are shown, which tracks the total amount of irrigated water added to a field during the growing season.

Daily Report

The Daily Planner product shows projected irrigation events for the Growers, Farms, or Fields selected in the order of irrigation date. Columns included are Date, Degree Days, Accumulated Degree Days, Precipitation, Irrigation, Soil Moisture, and Soil Moisture deficit. The Irrigation column shows both the observed Irrigation amount in inches as well as the forecasted Irrigation requirements. The report has been setup to allow the user to quickly identify soil conditions and manage any water needs on the selected fields.

Daily Report Sample
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Difference Report

The Difference Report specifies differences between predicted precipitation and actual precipitation and also between suggested irrigation and actual irrigation.

In this product format, the data is divided into observation data (starting at the planting event) and ten days of forecast data. The product displays column headings for Date, Degree Day (DD), Accumulated Degree Day (ADD), CROP, WEATHER, SOIL, and SCHEDULE. There are sub headings under CROP, WEATHER, SOIL, and SCHEDULE. The sub heading variables and their units are identified in a key at the bottom of the report.

Difference Report Sample
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Moisture Graph

The Moisture Graph displays identical information to that in the Season Report except a graph is added representing Percent (%) Grower Available Water and stress levels appropriate to the crop. Data in this product is limited to ten days of observations and ten days of forecast.

The graph in this product provides an easy visualization of the day-to-day changes of the grower available water (GAW). The graph displays the date across the bottom or "x" axis and the available soil moisture as a percent along the side or "y" axis. The fluctuating grower available water changes from a blue line, indicating available water calculations based on observations, to a green line indicating calculations based on forecasts.

The grower available water is set against a gold line marking the minimum stress available water (AWS) and a red line marking the maximum stress available water. The "0%" available water, at the bottom of the graph, marks the permanent wilting point. The graph in the Moisture Graph product provides the ag professional with a daily reminder of each field's crop water status both currently and in the near future. See the graph below for an example of the Grower Graph product.

Moisture Graph Sample
Click to enlarge

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Contact Information

Zedx, Inc.

369 Rolling Ridge Drive
Bellefonte, PA 16823

(814) 357-8490
(814) 357-8499 (fax)

www.zedxinc.com
information@zedxinc.com

Brian Antonucci

Customer Relations

(814) 357-8498
(814) 357-8499 (fax)

information@zedxinc.com