Fertilizer Advice-Citrus

Peach Trees from the Old Farmers Almanac

  • About 6 weeks after planting, fertilize the young trees with 1 pound of a nitrogen fertilizer.
  • During the second year, add ¾ pound of nitrogen fertilizer once in the spring and once in the early summer.
  • After the third year, add about 1 pound of actual nitrogen per year to the mature trees in the spring.
  • To help make the tree hardier, do not fertilize it within 2 months of the first fall frost date or when the fruits are maturing.

Pear Trees from the Old Farmers Almanac

  • Apply a small amount of fertilizer early in the year. Add ? pound of ammonium nitrate per tree multiplied by the number of years the tree has been set in moderately fertile soil. If you have highly fertile soil, use less fertilizer.
  • If the leaves are pale green or yellowish during the summer, use a little more fertilizer the next year.
  • If the tree grows more than 12 inches in one season, use less fertilizer the next year.
  • Be very careful when applying fertilizer! If you give your trees too much nitrogen, they will become more susceptible to fire blight and also may focus too much energy on producing foliage instead of flowers and fruit.

Meyer Lemons from here.

Fertilize regularly when growing Meyer lemons. A high nitrogen fertilizer, such as one designed for citrus trees, is best fed monthly between April and September. Withhold fertilizer during autumn and winter months. Yellowing leaves indicate the need for either water or fertilizer.

Blood Orange

Give it 1 cup of 21-0-0 ammonium sulfate each year. The formula is one cup of ammonium sulfate for every year of its life. Secondly, give it a phosphate boost every few years. Carefully follow the directions that come with the tree to get the balance right. From here.

Feed three to four times a year with an organic fertilizer, working it into the soil around the tree and watering in well or using a liquid fertilizer according to the manufacturer’s instructions every second or third watering. Blood orange trees require plenty of iron, manganese, and zinc to produce healthy fruit, so don’t be stingy with the feeding. Yellow leaves may indicate a lack of fertilization or overwatering. From here.

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