what is the best fertilizer for grape vines

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  • What kind of fertilizer do you use on grapevines?

  • Other nitrogen-rich grapevine fertilizers (such as urea, ammonium nitrate and ammonium sulfate) should be applied after the vine has blossomed or when grapes are about inch across. Apply pound of ammonium sulfate, 3/8 pound ammonium nitrate or pound of urea per vine. Zinc is also beneficial to grapevines.

  • What are the benefits of fertilizer for grapes?

  • It also helps the vine grow higher-quality grapes. Grapevines can take up to four years to produce a good-quality crop of grapes, but you should still apply fertilizer for grapes vines in the years prior.

  • How much manure do you put on grapes to fertilize?

  • How to Fertilize Grapes. Grapevines, like almost every other plant, need nitrogen, especially in the spring to jump start rapid growth. That said, if you prefer to use manure to feed your vines, apply it in January or February. Apply 5-10 pounds (2.2-4.5 kg.) of poultry or rabbit manure, or 5-20 (2.2-9 kg.) pounds of steer or cow manure per vine.

  • How much potassium do you put on grape vines?

  • Apply potassium fertilizer during the spring or early summer when the vines are just beginning to produce grapes. Use 3 pounds (1.5 kg.) of potassium sulfate per vine for mild deficiencies or up to 6 pounds (3 kg.) per vine for severe cases.

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