Grapevine Fertilizer – When, What, and How to Apply It
Grapevines don’t need large quantities of fertilizer – but they do need precision. Nitrogen, phosphorus, potassium, and micronutrients support different parts of the plant’s development, and each is absorbed more effectively at specific growth stages. Applying nitrogen too late increases canopy growth at the expense of fruit. Lack of potassium limits sugar accumulation in berries….