Almost all winter crops are in stem extension. Cut the stem along its length to give you a clearer picture of what’s happening. All winter crops need to have received the bulk of their total nitrogen by early stem extension, as this represents a peak growth period. Any remaining N should be held until post flag leaf emergence.

Bring winter wheat up to 150kg N/ha in Index 2 fields and up to 170-180kg N/ha on Index 1 sites. For winter barley, bring worn Index 1 fields up to 200kg N/ha with a bit less on stronger land. Bring oats up to 120-130kg N/ha.

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