In this article:

Nitrogen supply to irrigated Sultana grapevines on own roots or on Ramsey rootstock was varied in a field trial conducted at Irymple over three seasons. This paper describes bud fruitfulness and yield responses of established Sultana grapevines on own roots and on Ramsey when N supply is varied.

Sultana fruitfulness and yield: responses to rootstock and nitrogen supply

2001, Australian Journal of Experimental Agriculture, vol 41, pages 681-687

csiro 1468

Please note accessing PDF may be slow, thank you.