Highly Intelligent Soil Nutrient Analysis System

Highly Intelligent Soil Nutrient Analysis System

  • Product Number:LD-GT7
  • Product Difference:12 rotating detection channels, measuring soil moisture content, soil environmental temperature, soil conductivity (salinity), air temperature, air humidity, dew point, atmospheric pressure, illuminance, carbon dioxide, etc

Product Introduction

The high-intelligence soil nutrient analysis system integrates reagents, instruments, and equipment into one unit, making it portable and equivalent to a small mobile laboratory. It does not require users to purchase additional accessories and can be flexibly used for field testing. It is suitable for agricultural service departments, agricultural supply dealers, higher education institutions, research institutes, cooperatives, fertilizer manufacturers, and large-scale farmers for soil testing and fertilization, as well as for identifying the authenticity of fertilizers and environmental testing applications. The testing scope covers both domestic and international standards. In addition to the standard reagents, other types of reagents can be purchased separately.

The system is easy to operate and fast, with a complete set of accessories and ready-to-use reagents included. The system's stability exceeds the national standard JJG179-90 by six times, and its repeatability reaches the level of a grating-type spectrophotometer.

Comprehensive functionality and complete testing projects:
1. Soil nutrients:
● Ammonium nitrogen in soil, available phosphorus in soil, readily available potassium in soil, nitrate nitrogen in soil, hydrolyzed nitrogen in soil, total nitrogen in soil, total phosphorus in soil, total potassium in soil, soil organic matter (Choulin method), soil organic matter (extraction method), total organic carbon in soil, carbon-to-nitrogen ratio in soil, pH value, salinity, moisture content.
● Soil trace elements: Soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, soil chlorine, soil molybdenum;
● Soil heavy metals: soil lead, soil arsenic, soil cadmium, soil chromium, soil mercury, soil nickel, soil aluminum, soil fluorine, soil titanium, soil selenium.
2. Environmental factors:
● Soil volumetric water content, soil temperature, soil electrical conductivity, air temperature, air humidity, dew point, atmospheric pressure, light intensity, carbon dioxide.
3. Fertilizer nutrients:
● Single-component fertilizers: ammonium nitrogen in nitrogen fertilizers, nitrate nitrogen in fertilizers, urea nitrogen, urea formaldehyde, phosphorus in phosphorus fertilizers, water-soluble phosphorus in phosphorus fertilizers, potassium in potassium fertilizers;
● Total nitrogen in compound fertilizers, total phosphorus in compound fertilizers, total potassium in compound fertilizers;
● Organic fertilizers: total nitrogen, total phosphorus, total potassium, nitrate nitrogen, available phosphorus, available potassium, acid-hydrolyzable nitrogen, organic matter;
● Water-soluble humic acid (lignite), water-soluble humic acid (brown coal), water-soluble humic acid (peat), free humic acid (lignite), free humic acid (brown coal), free humic acid (peat);
● Water-soluble fertilizer total nitrogen, water-soluble fertilizer total phosphorus, water-soluble fertilizer total potassium;
● Foliar fertilizer total nitrogen, foliar fertilizer total phosphorus, foliar fertilizer total potassium;
● Various fertilizer trace elements: fertilizer calcium, fertilizer magnesium, fertilizer sulfur, fertilizer silicon, fertilizer boron, fertilizer iron, fertilizer copper, fertilizer manganese, fertilizer zinc, fertilizer chlorine, fertilizer molybdenum;
● Heavy metals in fertilizers: lead, arsenic, cadmium, chromium, mercury, nickel, aluminum, fluorine, titanium, and selenium.
4. Fresh crop nutrients:
● Crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, crop potassium;
● Crop trace elements: crop calcium, crop magnesium, crop sulfur, crop silicon, crop boron, crop iron, crop copper, crop manganese, crop zinc, crop chlorine, crop molybdenum;
● Crop nitrates, nitrites.
5. Dry plant nutrition:
● Total nitrogen in plants, total phosphorus in plants, total potassium in plants.
6. Tobacco leaf nutrition:
● Total nitrogen, total phosphorus, total potassium, reducing sugars, water-soluble total sugars, boron, manganese, iron, copper, calcium, magnesium, and 20 other items.
7. Food (fruits, vegetables, etc.):
● Nitrates, nitrites, heavy metals (lead, chromium, cadmium, arsenic, mercury), etc.
8. Water quality:
● Ammonium nitrogen, phosphorus in water, potassium in water, nitrate, nitrite, hardness, pH, iron, copper, manganese, zinc, boron, chlorine, sulfur, silicon, molybdenum, etc.

Product Features

  • Android smart operating system, main control chip uses ARM Cortex-A7, RK3288/4-core processor, main frequency 1.88Ghz, faster running speed, stronger stability.

  • Equipped with a smart cloud agriculture platform, the instrument can connect to a wireless network to selectively or batch-upload detection data wirelessly, facilitating long-term data management and visualization analysis for users.

  • Features a precision rotating colorimetric cell design (Patent No.: ZL 2018 2 1777724.7), ensuring more accurate light source consistency and maintaining detection accuracy.

  • Supports multiple account login with password settings, featuring an intuitive UI interface. Different users can freely add and edit detection information, which can be saved for long-term use.

  • Features 12 rotating detection channels, enabling rapid testing of 12 samples at once, thereby improving testing efficiency and reducing testing costs.

  • Utilizes high-precision filter technology with proprietary analytical methods (Patent No.: ZL 2020 2 1763837.9), certified by authoritative bodies.

  • GPS functionality: records latitude and longitude locations during field operations, meeting the needs of special users.

  • Built-in sensor aviation interface for easy plug-and-play, equipped with FDR sensors and environmental multi-parameter sensors.

  • The FDR sensor is a three-parameter integrated soil sensor, capable of simultaneously measuring soil moisture content, soil environmental temperature, and soil conductivity (salinity) quickly and conveniently.

  • The environmental multi-parameter sensor is a 6-parameter integrated sensor, capable of simultaneously measuring air temperature, air humidity, dew point, atmospheric pressure, light intensity, and carbon dioxide.

  • The instrument is standardly equipped with Wi-Fi wireless upload, 4G network transmission, and GPRS wireless remote transmission functions, enabling rapid data upload.

  • The instrument is equipped with both USB and Ethernet interfaces, features built-in high-capacity memory, and allows data to be copied to a USB drive at any time.

  • It includes a built-in crop expert fertilization system that calculates recommended fertilization amounts for over a hundred types of national agricultural crops and fruit trees based on target yields, providing scientific guidance for agricultural production according to fertilization formulas. Soil testing and fertilization results can be printed, with the printout including: crop type, fertilizer type, target yield, total requirement, and recommended fertilization plan.

  • High-strength PVC engineering plastic carry case design, durable and robust.

  • Built-in plant nutrient diagnosis standard spectrum, comparing leaf images based on nutrient deficiency pictures of various crops to diagnose nutrient deficiencies.

  • Built-in calibration function during testing, intelligent constant current voltage regulation, automatic light intensity calibration, ensuring testing accuracy, and obtaining the “Calibration Certificate” from the China National Institute of Metrology.

  • The colorimetric cell uses standard 1cm colorimetric cuvettes, with no mechanical displacement or wear, accurate optical path testing and positioning, effectively shielding external light interference, ensuring testing results exceed national standards.

  • The instrument is equipped with a 4-wavelength professional test cold light source (red, blue, green, and orange). The light source wavelength is stable, with no temperature drift during prolonged continuous operation, and a lifespan of up to 100,000 hours. It offers excellent reproducibility and high accuracy.

  • The instrument system includes video tutorials for sample pretreatment operations. Various sample testing methods can be viewed by clicking on the video module, eliminating the need for operators to study the manual. This provides convenient and rapid guidance, making it easy for newcomers to operate quickly.

  • The instrument is equipped with a new-generation high-speed thermal printer (no ribbon required), which prints the following information: testing unit, tester, testing item, channel number, absorbance, nutrient content (mg/kg), testing time, and QR code.

  • High-sensitivity 7-inch true-color touchscreen with more efficient and user-friendly operation, high-definition and high-interactivity display, significantly reducing the cumbersome operations and errors of traditional instruments, and obtaining multiple software copyrights.

  • Access historical data anytime via mobile phone by logging into the cloud platform.

  • Built-in clock function for convenient time recording and long-term historical traceability.

  • Built-in low voltage warning function to clearly indicate battery level during testing, preventing data drift. Also features power failure protection, automatically saving data in case of power loss to prevent data loss.

  • The instrument supports Chinese-English language switching to meet export requirements.

  • Dual AC/DC power supply mode, with a built-in high-capacity rechargeable lithium battery that can operate continuously for over 10 hours when fully charged, and also supports external vehicle power supply charging.

Product parameters

Power Supply

AC 220±22V, DC 12V+5V (the instrument's built-in lithium battery can also be used with a car power supply)

Power≤5W
Range and resolution0.001-9999
Stability

① No drift in displayed values within one hour (transmittance measurement)

② Digital drift does not exceed 0.3% (0.003, transmittance measurement) or 0.001 (absorbance measurement) within two hours

Linear error≤0.1% (0.001, copper sulfate detection)
Repeatability error≤0.02% (0.0002, potassium dichromate solution)
SensitivityRed light ≥4.5 ×10⁻⁵, blue light ≥3.17×10⁻³, green light ≥ 2.35 × 10⁻³; Orange light ≥ 2.13 × 10⁻³
Wavelength rangeRed light 680 ± 2 nm, blue light 420 ± 2 nm, green light 510 ± 2 nm, orange light 590 ± 4 nm
pH value (acidity/alkalinity)

① Test range: 1–14, ② Accuracy: 0.01, ③ Error: ±0.1

Salinity (conductivity)

① Test range: 0.01% to 1.00%, ② Relative error: ±5%

Soil moisture technical parameters Moisture unit% (g/100g)
Moisture content

Test range: 0–100%, Accuracy: ±0.5%

Soil temperatureRange: -40-120°C, measurement accuracy: ±0.2°C, resolution: ±0.1°C
Soil conductivityRange: 0-20 mS, measurement accuracy: ±2%, Resolution: ±0.1 mS
TemperatureRange: -40°C to +125°C, Accuracy: ±0.3°C
HumidityRange: 0% RH to 100% RH, Accuracy: ±3% RH
Dew pointRange: -20°C to +50°C, Accuracy: ±0.5°C
Air pressureRange: 300 to 110 kPa (altitude 9,000 m to -500 m), Accuracy: 0.06 hPa (0.5 m)
Light IntensityRange: 0–200,000 Lux, Accuracy: 0.054 Lux
CO₂Range: 0–5,000 ppm, Accuracy: 50 ppm
Testing efficiency

Simultaneous extraction and determination of multiple nutrients such as readily available N, P, and K in soil (drafted by the Ministry of Agriculture's rapid testing industry standard).

Simultaneous, rapid, and accurate detection of nutrients such as nitrogen (N), phosphorus (P), and potassium (K) in fertilizers. Under normal proficiency:
① Testing one soil sample (N, P, K) takes 20 minutes (including reagent preparation and soil sample pretreatment time), testing three soil samples (N, P, K) simultaneously takes ≤40 minutes, and testing eight soil samples simultaneously takes ≤1 hour.
② Testing one fertilizer sample (N, P, K) takes ≤50 minutes, and testing three fertilizer samples (N, P, K) simultaneously takes ≤1.5 hours. Nitrogen, phosphorus, and potassium three-item error ≤1%

③ Heavy metal relative error ≤5%

Shock resistance ratingIP65
Dimensions and weight48×34.5×22 cm, 5.2 kg
pagetop