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Measurement parameters

CLIMATE

Rainfall

The pluviometric precipitation is the main source of water supply for plant species. All physiological processes that occur in plants are related to the availability of water in the soil.

Rainfall is measured in millimeters (mm) to estimate the volume of rain in a given location. The FieldPRO makes this measurement through the impacts of the drops on its top, on the head of the Sensor.

Rainfall values will help the producer at the best planning for the use of phytosanitary products and fertilizers; at the appropriate time for harvesting and planting; in addition to being an indicative for hours of leaf wetness and humidity, one of the factors that influence the occurrence of diseases and pests in the area.


Wind speed

The wind has a direct relation to the growth and development of plants, being even able to reduce their productive potential. The speed determines if its impacts are positive or negative.

Wind at low to moderate speeds influences the renewal of CO² supply and the maintenance of plant transpiration. On the other hand, strong wind are possible to provoke mechanical damages in the plants, as lodging, not to mention the extreme increase of the perspiration of the plants, which causes the closing of the stomata and the reduction of the leaf number and the leaf area, resulting in abrupt decrease of photosynthesis.
One of the greatest importance of the wind is related to spray management. Ideal conditions of wind speed are determinative so that the applied product reaches the desired target.

Wind direction

The wind direction influences the temperature and the entry of atmospheric systems. It is also one of the factors responsible for the uniformity of application of phytosanitary products, and also so the application reaches the required target, along with the wind speed. The innappropriate direction and speed of the wind can cause a drift of the product and reach undesired crops or places.

Temperature (1,20m above the ground)

The air temperature is a determinative factor for a series of processes that occur in the plant and the ground, as the evapotranspiration (water perspiration in the plant, water evaporation in the ground) and the development of the crop.

Each crop has its own ideal conditions of maximum and minimum temperature for its development. Depending on the intensity and duration, high or low temperatures prevent the metabolic activities of the plants and the viability of the species, determining limits for their regional distribution.

The temperature is also important to analyze the ideal moment for spraying and monitoring of pests and illnesses.

Relative Humidity (1,20m above the ground)

The relative humidity of air plays an important role in several aspects, such as evapotranspiration, dew point, leaf wetting, incidence of pests and illnesses, hydric consumption of the plants, among others. These aspects are directly related to the development of the crop.
Relative humidity is one of the factors that help the producer in making decisions related to applying phytosanitary products.

Temperature (20cm above the ground)

Temperature values at a height of 20 cm above the ground are important due to the formation of a specific microclimate, depending on the development of the plant. Temperatures at that height can be milder than temperatures above the plant, favoring the appearance of some diseases and pests from the middle third of the crop.

Humidity (20cm above the ground)

Monitored at a height of 20 cm above the ground, it indicates the specific humidity of the middle third of the crop, in addition to the hours of leaf wetting, important indicators for a more precise control of diseases in the tillage.

With the high population of plants, the canopy is accumulated and a microclimate is formed, which may favor the permanence of high humidity in the place and greater duration of the period of wetting foliar, consequently, in the incidence of some illnesses in the crop. On the other hand, the conditions of low humidity in this height can lead to the extreme increase of perspiration, harming the development of the plants.

Dew Point 

The dew point is when water vapor particles suspended in the air condense and form water droplets, a phenomenon that is usually seen in the morning on the surface of plants. A measurement that is linked to low temperatures and high relative humidity.

This value is important because the occurrence of dew on the crop can be favorable to the emergence of fungal diseases, due to the wetting of the leaf surface. 

Another factor is the frost formation, which occurs when the dew point value is close to 0°C, causing water droplets on the leaf surface to freeze.

Luminosity

All the energy needed to carry out photosynthesis comes from solar radiation. The measurement of brightness reports exactly this value. 

Light intensity in the field is important for proper plant development. However, too much direct light in hot periods causes excessive loss of water in plant tissues, while low light leads to plant atrophy, both of which impair plant growth.

Combined with other factors such as temperature, relative humidity and wind speed, lower light values indicate milder periods of the day, which can help in planning sprays in order to avoid product loss by volatilization or phytotoxicity in the crop.

PLANT

Evapotranspiration

The evapotranspiration is a measure that relates to the plants’ and soil’s loss of water. This happens in the transpiration of the plant through its physiological processes, and the evaporation of water from the soil, influenced by temperature and the Sun.

The values of evapotranspiration help to evaluate if the crop is going through a period of stress due to the lack or excess of water in a given period.

Leaf wetness

The leaf wetting is related to the environmental conditions of temperature and humidity. This measure tells the duration of the period where the leaves remain wet, which happens in the case of rain, dew or irrigation.

Many pathogens require the presence of water on the leaf surface for germination and infection of the tissue. Being so, the leaf wetting monitors the incidence of fungal and bacterial illnesses in the agricultural crops, assisting the producer to have a safer and less onerous control.

The duration of the wetting period (DWP) is of great relevance for the epidemiology of plant illnesses, being imperative in the understanding of the relation between climate and illnesses of plants.

Degree-day

Some crops such as corn, cotton and wheat receive daily temperature influence to develop. The degree-day value is based on the thermal accumulation necessary for the plant to move from one phenological stage to another. When the temperature is within the ideal band, there is rapid development. If it is below or above this band, the crop takes longer to develop.

With the degrees-day, the producer is able to more accurately analyze the phenological phase of the corn, wheat and cotton crops, and also determine the closest day to the maturation of the crop, helping at better planning for the harvest.

SOIL

Water balance

The water balance is the difference between the values of water inflows and outflows in the soil. Its calculation takes into account evapotranspiration (evaporation of water in the soil + transpiration of plants), precipitation and the water storage capacity in the soil.

The water balance value is used to assess the amount of water available in the soil for plant development. It is possible to determine whether the crop is experiencing hydric stress as a result of a lack of water, which can influence the tillage yields. Or also, if it is suffering a hydric excess because of a higher volume of water than the capacity of storage of the ground, causing the waterlogging and the occurrence of erosion and leaching of nutrients.

To facilitate the producer, we show an indicator if your area is suffering from water stress or waterlogging.

Temperature (- 10cm under the ground)

Some crops germinate only when external conditions are favorable, such as temperature, water availability and oxygen concentration. In the emergence phase, unsuitable temperatures for the crop can interfere with cell division, impairing plant growth and development.

Soil temperature interferes with several factors, such as: biological processes of seed germination, development of roots and plants, absorption of nutrients and water, rates of organic matter decomposition, microbial activity and evaporation. Values of temperature for a 10 cm depth in the ground will assist the producer for a better planning and decision making, mainly for seeding.


Humidity (-20 cm e -40 cm under the ground)

Soil moisture has a high degree of variability, controlled by factors such as time, soil texture, vegetation and topography.
To understand the volume of water in the soil, we measure the humidity at 20 and 40 cm deep. It reports the available water content (CAD) of the soil, which is the amount of water the plant has available for absorption and development.
Use this data to improve the efficiency of decision revenues during the harvest such as sowing, irrigation, soil management and spraying.

Electric conductivity (- 20 cm e – 40 cm below ground)

The electric conductivity (EC) is a method to evaluate the health of the soil; the soil’s capacity to transmit electric current. This measure is influenced by diverse factors, such as: soluble salts, temperature, humidity, organic matter and the amount of water and clay in the soil.

The FieldPRO’s Sensor measures the EC at 20 and 40 cm inside the soil, since about 80% of the plant roots are at that depth, therefore, if we analyze only one depth, the values could not have an adequate representation of the soil.

Electric conductivity information as an indicator of soil quality can be used in many ways, for example, it allows a greater understanding of soil variability, which is linked to crop productivity and quality. With this data, the producer can plan samplings and delimit handling areas, assisting in the planning for the next harvest and in applying inputs.

Salinity (-20cm e -40cm under the ground)

Salinity reports on the content of salts in the soil. This measure is influenced by the type of soil, texture, handling, irrigation and fertilization.
Each plant has a different sensitivity to the salt content in the soil. Soy and corn crops, for example, are more sensitive to salinity than cotton. This is one of the factors that can cause productivity loss in the crop, because when the level is very high, the yield of the crop decreases as it needs to spend more energy to keep the salts out of its tissues.
The FieldPRO’s Sensor monitors the salinity at 20 and 40 cm depth so that the producer can check if any layer of the soil is with a high degree of salinity, which can lead to a deficiency in root development and, consequently, yield loss. With these data, you will also be able to assess the soil salinity in your area and take corrective actions.

 

SATELLITE IMAGES

NDVI

The Normalized Difference Vegetation Index is used to measure the state and vigor of the crop, by monitoring biomass in the field.

NDVI works well during most of the season, but it has a strong relation to the phenological phase of the crop, so it is important to take into account that in the initial stages of crop growth, when the green leaf area is small, the results of NDVI may be inaccurate. Similarly, it occurs in later stages, when the crops reach the canopy closure.

NDRE

The RedEdge of Normalized Difference is a chlorophyll content indicator, it can be used during the entire cycle, although it is designed especially for the mid and final stages of the development of the crop, when they have already accumulated a great amount of chlorophyll.

This is one of the main indicators of nitrogen and helps mapping the fertilizer application. It also allows to detect if the vegetation is oppressed and aged, and is used to identify plant illnesses and to optimize the harvest time.

MSVAI

The modified soil adjusted vegetation index is useful for monitoring the crop in its early stages of development, when there is a lot of uncovered soil in the field.

MSAVI is used in areas where indexes like NDVI or NDRE provide invalid data, mainly due to a small amount of vegetation or due to a lack of chlorophyll in it. Thus, the index is used to minimize the soil bottom influence and increase the dynamic band of the vegetation’s signal.

The producer has good initial chances to only apply fertilizers where and when it will be necessary. This approach allows to optimize the initial management of the field, resulting in increased profit and reduced environmental impact.

RECI

The Red-Edge Chlorophyll Index is used to monitor the chlorophyll content in the plants’ leaves, which indicates the health of the crop.

FAQ

INSTALLATION

How to install FieldPRO Sensor?

Click here to download the installation guide. You can also watch our video:

How to uninstall it?

To uninstall it from the soil, just pour a little water on the spot and wait until it is completely absorbed, then hold the rod of your Sensor and pull carefully until it is completely removed. After cleaning it, store your Sensor inside the box until you install it again on another location.

Watch our removal video guide:

What does it take to install?

  1. FieldPRO auger or 1.5-inch auger
  2. Three (3) liter container with water for each Sensor
  3. Bucket
  4. Spatula or shovel
  5. Rubber hammer or a pocket knife
  6. A tape measure (if not using the FieldPRO Trado)
  7. Smartphone
  8. FieldPRO Sensor

In which location should I install it?

Please, notify FieldPRO every time you decide to install the Sensor in a location.

Choose a location in the field according to your greatest needs, such as monitoring pests and diseases, productivity stains, soil moisture, or whatever you want.

To ensure the best quality of the data monitored by the Sensor, consider some factors:

 

FIELDPRO SENSOR

What is the FieldPRO Sensor?

FieldPRO Sensor is high technology for monitoring the microclimate, plant, and soil of agricultural crops. A single device is able to monitor 19 crop measurements, such as soil and air humidity and temperature, the salinity and electrical conductivity of the soil, in addition to the rain and wind from the crop fields.

Each FieldPRO Sensor has a range of up to 1.000 hectares, this depends on the relief of the area. It is available for soy, corn, wheat, and cotton crops. In order to be able to send the crop data to the rural producer, the Sensor is connected with all available operators, in addition to the radiofrequency.

FieldPRO is ready to be installed, there is no need to assemble structures or perform maintenance and the installation takes about 15 minutes. Using a computer and a smartphone, the rural producer visualizes all the data monitored in the field, in addition to using several other functions that assist the decision making during the harvest.

What is monitored?

Every hour, the sensors at the top analyze values of: temperature, humidity, precipitation, wind speed and direction, evapotranspiration, leaf wetness, and degree-days. The sensors on the land analyze the soil structure: humidity, temperature, electroconductivity, water balance, salinity, and waterlogging.

For which cultures it can be used?

FieldPRO is available for soy, corn, wheat, and cotton crops. Soon, for sugar cane and coffee.

In which types of soil it can be used?

FieldPRO Sensor can be used on all types of soils, from small to large farms.

Where do I buy the FieldPRO Sensor?

Place your order on our website: https://www.loja.fieldpro.com.br/

What kind of maintenance do you need?

Our technology is as self-sustainable as possible. We recommend only cleaning the Sensor with a damp cloth when there is a lot of dirt, in order to not avoid interference in the measurements. If there is a need to replace parts or make possible mechanical corrections, our team goes to the farm.

How long will the equipment last in extreme conditions?

We have developed a robust product to withstand environmental weather. The FieldPRO Sensor has undergone hundreds of tests, both in agricultural fields and in laboratories.

How does the battery work?

The battery is made of lithium. It is not rechargeable.

What is the cost of changing the battery?

There is no cost to replace the battery. When this happens we’ll send a new one.

What is the guarantee?

FieldPRO has a one year warranty, within the standard installation and correct care. If necessary, the supply of spare parts is also included in this period.

What if the Sensor is stolen?

Each farm is responsible for its internal security. Even so, because our product contains GPS, it is possible to use the tracking functionality.

What is the coverage in hectares?

The Sensor has a range of up to 1,000 hectares, this will depend on the relief / microclimate of the area.

Should I remove the Sensor from the ground at some point?

The FieldPRO should only be removed during the harvest period. Then you can choose a new installation location to monitor new areas in your field.

 

DICE

How does FieldPRO send crop data?

The field data monitored by the FieldPRO Sensor is sent to the producer through different communication protocols: radiofrequency; 2G, 3G and 4G; LTE-M; NB-IoT.
Operating range: 902MHz radiofrequency. 2G / 3G: 900MHz to 2100MHz.

How to access the monitored data?

All the information monitored in the field is sent to the cloud and can be viewed through an account in our software with a login that we send to the registered email when purchased.

To access on your phone, just download our app from the App Store or Google Play.
To enter or download it on your computer, just access: app.fieldpro.com.br.

How do I know if there is connectivity in my area?

As soon as you acquire the FieldPRO Sensor our team performs a verification on your region to analyze the spots with the best connectivity.

In areas with limited connectivity, is data transmission possible

Yes, this is possible because the FieldPRO Sensor has other communication protocols, such as radiofrequency, LTE-M and NB-IoT, in addition to 2G, 3G and 4G.

Can I share my farm data?

Yes. We offer two options:

You can share your account with up to three people on your team so they can access FieldPRO data and register management activities, improving your operation’s management.

You can also share with an unlimited number of people, so they can see the monitored data without editing your account information.

 

SOFTWARE

How much does it cost to access the software?

The subscription for the software is US$ 100,00 per year. To become a Premium member and also grant access to satellite images of your crops and two new features, the subscription starts from US$ 250.00 per year to have 300 hectares of analyzes of satellite images, and then increase US$ 30.00 for each 200 hectares analyzed.

Is the subscription mandatory?

Without the software signature, it is not possible to view the crop data. We charge an annual subscription, and the payment can be divided into 12 months.

What plans are available?

Can I subscribe only to the software?

No. You need to buy your FieldPRO Sensor, and then subscribe to the software to see the monitored data and use all the software’s resources for better decision making in the field.

How does Satellite Imaging work?

After purchasing your FieldPRO Sensor you can subscribe to the Premium version of the software to also grant access to satellite images of your crops and two new features.

What are the advantages of subscribing to the Premium Plan?

The advantage of being Premium is to add satellite monitoring images of your area to your account, in addition to two (2) new values of your culture analyzed by FieldPRO Sensor.

In addition to everything from the Super Plan, you will also have:

In which languages is it available?

The software is available in Portuguese, English, and Spanish.