> For the complete documentation index, see [llms.txt](https://docs.geopard.tech/geopard-tutorials/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geopard.tech/geopard-tutorials/lva/agronomija/mainigas-devas-kalka-izkliede-balstoties-uz-augsnes-ph-datiem.md).

# Mainīgās devas kaļķa izkliede, balstoties uz augsnes pH datiem

## Izveidot mainīga šķērsojuma (VRA) dolomīta (kaļķa) Rx receptes karti no augsnes pH

Pārvērst augsnes pH datus mašīnlasāmā kaļķošanas pielietojuma kartē (Rx recepte). Izmantojiet to, lai kaļķotu tikai tur, kur ieguldījumu atdeve (ROI) ir pozitīva.

### Interaktīva soļu apgūšana

{% @arcade/embed url="<https://app.arcade.software/share/b99IrB7wBzVDJu24MKFI>" flowId="b99IrB7wBzVDJu24MKFI" %}

### Ekonomikas piemērs (VR pret vienmērīgu 7 000 lb/akrā)

Šis piemērs salīdzina mainīgā likmē lietoto kaļķošanu ar vienu vienmērīgu likmi visā laukā. Izmantojiet to kā ātru veselā saprāta pārbaudi pirms Rx eksportēšanas.

| Postenis                               | Vērtība                  |
| -------------------------------------- | ------------------------ |
| Lauka platība                          | **33,91 ha**             |
| Vidējā uzklāšanas likme                | **6 348,2 lb/akrā**      |
| Kaļķa cena                             | $**0,02 / lb** (\~$40/t) |
| Kopējais kaļķa daudzums (aprēķ.)       | **523 853 lb**           |
| Materiālu izmaksas (lauks)             | $**10,477**              |
| Materiālu izmaksas (uz ha)             | **\~**$**309/ha**        |
| Ietaupījums pret 7 000 lb/akrā (kopā)  | $**441.9**               |
| Ietaupījums pret 7 000 lb/akrā (uz ha) | **\~**$**13,0/ha**       |

### Eksportēt kaļķošanas Rx recepti

* Eksportēt kā ISOXML: [Eksportēt VRA karti ISOXML formātā](/geopard-tutorials/lva/produkta-apskats-timekla-lietotne/eksportet-lejupieladet/vra-kartes-eksports-isoxml-formata.md)
* Citas eksporta iespējas (SHP un citi): [Eksports / lejupielāde](/geopard-tutorials/lva/produkta-apskats-timekla-lietotne/eksportet-lejupieladet.md)


---

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