# Technology

- [The AVR Puma 3 potato harvester: how we lift potatoes in Żuławy](https://www.agromalz.pl/en/blog/kombajn-do-ziemniakow-avr-puma-3): The AVR Puma 3 potato harvester in practice: 469 hp, an 8-tonne bunker, unloading on the move and night shifts. Here is how we harvest on heavy alluvial soil.
- [Irrigating onions: when and how much water we give on a Żuławy field](https://www.agromalz.pl/en/blog/nawadnianie-cebuli-deszczownia): Irrigation decides onion size and batch evenness. We show which growth stages we water across around 250 hectares of onions, and when we cut it off.
- [GPS RTK in precision agriculture: where centimetre accuracy comes from](https://www.agromalz.pl/en/blog/gps-rtk-rolnictwo-precyzyjne): GPS RTK is the correction that brings the error down to a few centimetres. We show how centimetre accuracy on onions saves fuel, seed and inputs.
- [DOWNS CropVision optical sorter: cameras and AI check every single piece](https://www.agromalz.pl/en/blog/sortownik-optyczny-downs-cropvision): The DOWNS CropVision optical sorter in our packing house: cameras and AI, 360-degree scan, up to 100 t/h. How we remove stones, soil clods and defects.
- [Ecorobotix ARA spot spraying: cameras and AI instead of blanket spraying](https://www.agromalz.pl/en/blog/ecorobotix-ara-oprysk-punktowy): The Ecorobotix ARA spot sprayer on our farm: 156 nozzles, a 6x6 cm grid, cameras and AI. It cuts chemical doses by around 70% and protects the onion crop.
- [Our onion packing line and palletiser: how it works](https://www.agromalz.pl/en/blog/linia-pakowania-cebuli-paletyzer): How our onion packing line and palletiser work: cleaning, grading by size, bags, big bags and bulk, and a ready pallet for packers and processors.
- [Curing onions before storage: how we seal the neck](https://www.agromalz.pl/en/blog/dosuszanie-cebuli-przed-przechowywaniem): Curing onions after harvest seals the neck and protects against rot. We show how we cure onions for 2-4 days with warm air in the maritime climate of Zulawy.
- [John Deere Auto Pilot and parallel guidance: how we drive without overlaps](https://www.agromalz.pl/en/blog/john-deere-auto-pilot-prowadzenie-rownolegle): Parallel guidance means driving the tractor pass after pass, with no overlaps and no gaps. We show how John Deere Auto Pilot with RTK works on our onions.
- [Variable rate in practice: how we fertilise zone by zone](https://www.agromalz.pl/en/blog/zmienne-dawkowanie-variable-rate): Variable rate (VRA) means fertilising and protecting by field zone, not the whole area evenly. We show how we do it on onions on heavy Żuławy clay.
- [Storing onions: how they keep until spring](https://www.agromalz.pl/en/blog/przechowywanie-cebuli): How to store onions so they keep until spring: temperature, humidity, drying, ventilation and storage diseases. Knowledge from our 13,000-tonne store.
- [The Grimme WV180 onion harvester on our farm](https://www.agromalz.pl/en/blog/kombajn-do-cebuli-grimme-wv180): How we harvest onions on heavy Żuławy clay: the Grimme WV 180 windrower lays the onions in windrows, and the harvest is done by a self-propelled AVR Puma 3. Gentle harvesting, less damage and better storage life in the store. Practice from the field.