TwinN is used on a wide variety of horticultural crops and has enabled the replacement of either all, or a very significant proportion of, the nitrogen fertiliser requirements in these crops. Please refer to TwinN Mechanism of Action for information on how TwinN acts to increase yields and efficiency of nutrient uptake.

TwinN will be able to produce best results if growers apply normal levels of non-nitrogen nutrients and follow best practice in looking after the general health of the soil. Reduced application of nitrogen fertilisers and annual application of mulches to increase soil carbon content are first steps to good soil health.

TwinN is currently used in a wide variety of vegetable crops including potato, carrot, onion, celery, cabbage, broccoli, lettuce, pepper, pumpkin, tomato, watermelon and others. It is also used in vine crops such as grapes and in bananas.

For some useful information and photos of TwinN treated horticultural crops please follow this link to the TwinN Newsletter. For further information on how to use TwinN in horticultural crops follow the link.

PLEASE NOTE: A recommended starting point is to apply 50% of the normal rate of N fertiliser, plus TwinN, applied once or twice. Apply the N at the same stages of the crop cycle as usual. Many producers also test, in addition, a greater reduction down to 25% of normal N. Depending on soil fertility and crop needs most systems will produce long-term sustainable high yields at between 25 – 50% of normal N inputs. Start at 50% and work downwards.

Horticulture Application Guidelines - click to view

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