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Can green crops capture enough nitrogen for vegetable growing?

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posted on 2024-06-21, 03:56 authored by Dom Ferretti, Sjef Lamers
Nitrogen fertiliser use is becoming increasingly restricted and expensive, so vegetable growers are looking for new methods to manage the high nitrogen demands of their crops. Despite the extensive use of clover grasses to capture nitrogen in pastoral farms, this approach isn't widely used for intensive vegetable production. There is a lack of New Zealand-specific data for suitable green crops that can capture and supply nitrogen for vegetable production. This study will undertake field trials to quantify the nitrogen captured by legume/grain cover crops, and will investigate how quickly it is then released into the soil, longer-term nitrogen losses, and profitability.

Funding

Funded by the New Zealand Ministry for Business, Innovation and Employment's Our Land and Water National Science Challenge (Toitū te Whenua, Toiora te Wai) as part of project Rural Professionals Fund 2022–23

History

Publication date

2024-01-15

Language

  • English

Does this contain Māori information or data?

  • No

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