Fertilization Management Technology of Watermelon

Watermelon can be said to be a national fruit of our country. Watermelon in summer demand is very large, our country now watermelon varieties are very many, planting area is also expanding, is a high economic value of fruit. Fertilization is very important when planting watermelon, which is directly related to the yield of watermelon. So Xiaobian brought you watermelon fertilization management technology today. Let's take a look at it together.

1. Farm manure

Farm manure is applied as a base fertilizer before watermelon is planted. Before planting, about 3500kg farm manure should be applied per mu together with soil preparation work. Farm manure must be fully decomposed to prevent excessive heat from burning watermelon seedlings. Then in watermelon tendril extension period, fruit setting period and other periods should also apply appropriate farm manure. Enhance watermelon growth ability, strengthen stress resistance, improve watermelon quality and yield. Pay attention not to single application of chemical fertilizer, pay attention to the dosage, prevent reducing the sugar content of watermelon, resulting in quality decline.

2. Potassium fertilizer application

Potassium fertilizer is very important for watermelon growth. Appropriate application of potassium fertilizer can promote watermelon metabolism, synthesis of carbohydrates, improve nutrient transport capacity and so on. And also can enhance watermelon disease resistance and quality. Add about 8kg of potassium fertilizer when applying base fertilizer, and then pay attention to proper topdressing of potassium fertilizer at the fruiting stage. This can obviously improve the quality of watermelon and increase the yield.

3. Increase boron fertilizer application

Watermelon also has certain requirements for trace elements when growing. Among them, the most important one is boron fertilizer. Reasonable topdressing of boron fertilizer can effectively reduce the thickness of watermelon skin and avoid hollow phenomenon of watermelon. Make watermelon form thin skin sweet flesh of high quality melon. However, we should also pay attention to the application of chlorine fertilizer. Watermelon does not need chlorine fertilizer. If chlorine fertilizer is applied, the sugar content of watermelon will be reduced, resulting in a decline in quality.

4. Cake fertilizer application

When watermelon fruit grows to the size of table tennis ball, dig the top dressing hole at the position about 12cm away from the taproot of watermelon plant. Then apply proper amount of cake fertilizer to each plant, and then cover the soil and water it. Appropriate amount of cake fertilizer can promote fruit expansion and increase growth speed. However, we must pay attention to control the dosage, not excessive application, otherwise it is easy to lead to excessive watermelon growth, reduce the fruit setting rate, and appear bad melon with thick skin and acid.

5. Foliar fertilizer

Foliar fertilizer is used to improve the growth ability of watermelon leaves. Foliar fertilizer is mainly used in the vine extension period and expansion period. Generally spraying about 50kg per mu, about once a week, for about a month can significantly improve sweetness. When spraying foliar fertilizer, pay attention to comprehensive, ensure that each leaf, front and back can be evenly treated. Enhance leaf photosynthetic capacity, improve nutrient accumulation, promote watermelon growth.

Be sure to pay attention to the position and depth of fertilization. Do not be too close to the plant to prevent burning the plant, too far will reduce fertilizer efficiency. The depth should be kept at about 10cm. If it is too shallow, the fertilizer volatilization speed will accelerate, which will not only harm the plants, but also reduce the fertilizer efficiency. Today's introduction is here, this article is for reference only, I hope to help everyone oh!