keyword

npp equation

Monthly search volume and cost-per-click data for "npp equation" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=npp+equation&country=us" +--------------+------------------+ | volume | 390 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
net primary production	18,100	$12.49	7/20
npp formula	480	$0	14/20
net primary productivity formula	480	$0	10/20
net primary productivity equation	390	$0	11/20
how to calculate npp	320	$0	9/20
npp gpp	320	$0	8/20
gpp equation	260	$0	9/20
gpp and npp formula	70	$0	10/20
equation for net primary productivity	50	$0	8/20
what is npp ecology	30	$0	8/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=npp+equation&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt