Yates Gro Plus Tomato Fertiliser 2.5KG SKU: 138250 MODEL: 46516 Error. try again later You've successfully joined the club $ 9 .99 each Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants A specially blended fertiliser to give you a bumper cropand great tasting fruit Features and benefits Fast acting and easy to use. Rich in phosphorus to help maximize the number of tomatoes per plant and to improve root growth. High potassium content helps to increase the size and quality of the tomatoes.