When fruit crops reach the fruit enlargement stage, it is a critical period for increasing yield and quality. At this time, it is important to supplement fertilizer. So what is the fastest and best foliar fertilizer for fruit enlargement? Let's find out below.
1. Potassium fertilizer
Potassium fertilizer is key to improving the flowering and fruit setting rate of fruit trees and promoting fruit enlargement, sweetness, and color change. Potassium fertilizer is known as the "nutrient transporter," mainly promoting the transport of nutrients in fruit trees, especially when the young fruit is enlarging, increasing the transport of nutrients to the fruit, increasing the accumulation of dry matter in the fruit, and promoting the rapid enlargement of the fruit.
2. Potassium dihydrogen phosphate
Potassium dihydrogen phosphate is a high-content compound fertilizer with good solubility, high potassium and phosphorus content, and rapid crop absorption. Due to its high phosphorus and potassium content, foliar spraying can supplement the phosphorus needed for flowering and fruit setting, improve fruit setting rate, promote fruit enlargement, increase crop grain weight, increase yield, and improve quality.
3. Boron fertilizer
The main role of boron fertilizer in crop growth is to improve flowering and fruit setting rate. However, if boron fertilizer is not supplemented in time during the flowering period, it can be supplemented during the fruit expansion period. Boron fertilizer is an essential element for the transport and metabolism of nutrients in crops. A lack of boron fertilizer will affect the rapid expansion and coloring of fruits.
4. Calcium fertilizer
Calcium fertilizer is an essential medium-quantity element for fruit tree growth. The demand for calcium fertilizer during the fruit expansion period accounts for about 70% of the annual demand. The most obvious effect of supplementing calcium fertilizer during the fruit expansion period is to reduce fruit cracking, bitter pit, and improve the toughness of the fruit peel and the quality of the fruit.
5. Potassium dihydrogen phosphate + boric acid
When potassium dihydrogen phosphate and boric acid are mixed, they can supplement the nutrients needed for flowering and fruit setting, thus significantly improving the fruit setting rate and accelerating fruit enlargement.
6. Potassium dihydrogen phosphate + calcium, magnesium, boron
Potassium dihydrogen phosphate (KH2PO4) is a highly versatile foliar fertilizer containing phosphorus and potassium. It provides the necessary phosphorus and potassium for fruit and leaf growth, promoting fruit enlargement and color development. The calcium in the calcium-magnesium-boron mixture helps prevent cracking and increases sweetness, while magnesium promotes healthy leaves and fruit, and boron helps preserve flowers and fruit. Combining KH2PO4 with calcium-magnesium-boron is the optimal combination for fruit enlargement, sweetness enhancement, crack prevention, increased yield, and improved quality.
7. Brassinolide + Potassium dihydrogen phosphate + Boric acid
This formula can promote rapid fruit enlargement, enhance photosynthetic capacity, prevent deformed fruit, and increase yield and fruit quality.
