Red-flesh pomelo trees typically do not require fertilization during the first month after planting. Once new growth reaches about 1-2 cm in length, you can start applying water and fertilizer every 10 to 15 days. For example, use 50 pounds of water per barrel. The recommended fertilizer amount is approximately 6 pounds of water per root, distributed evenly around the tree's root zone.
Here are some common fertilizer options:
(1) Superphosphate combined with ammonium bicarbonate in a ratio of 2:4
(2) A balanced NPK compound fertilizer with a 15:15:15 ratio, applied at 5 pounds per tree
(3) Diammonium phosphate at 5 pounds per tree
These three types of fertilizers can be used interchangeably depending on availability and soil conditions.
With consistent watering and fertilization every 10 to 15 days from February to November, trees can grow rapidly. In just three years, they can surpass trees that have been heavily managed for five years. By the third year, the trees will be ready for fruit production. With proper care in the fourth year, the investment can be fully recovered or even lead to profit. This method not only saves time and resources but also ensures healthier and more productive trees in the long run.
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