Sweet potatoes are very common in rural areas. Many farmers will grow some sweet potatoes themselves. On the one hand, they eat on their own, and on the other hand, they can feed pigs. In the process of planting crops, no matter which kind of crop, we hope to produce high yields, then what should we do to ensure high yield when planting sweet potatoes? The following small series will introduce you.
Five fertilization points for high yield of sweet potato
1. Reapply organic fertilizer
This is based on the potato farmers who have been planting for many years. There is no fertilizer in the forties more than 40 years ago. The sweet potato is usually grown with pig manure. The big one can weigh more than ten kilograms. The output is high and the taste is good. How do you plant it now? Is this a sweet potato? This actually shows a problem. Sweet potatoes and potatoes are all tuber crops, and they all like organic fertilizers. Because organic fertilizers are stable and stable, they are incomparable with chemical fertilizers. Therefore, in order to ensure high yield of sweet potato, organic fertilizer can be reapplied.
2, light nitrogen fertilizer
Excessive nitrogen fertilizer will cause stems and leaves to grow wild and consume a lot of nutrients. When the fruit is expanded in the later stage, the nutrient supply is insufficient, resulting in small fruit and reduced yield. Therefore, when we are planting sweet potatoes, we must control the amount of nitrogen fertilizer.
3, multiple application of phosphorus and potassium fertilizer
Phosphate fertilizer has the function of loosening soil and promoting flower bud differentiation. Potassium fertilizer can promote the thickening of sweet potato stems and fruit expansion. Generally, we are more suitable for the high yield of sweet potato. Phosphorus and potassium fertilizer is no exception.
4, skillfully apply foliar fertilizer
Foliar fertilizer is essential in sweet potato planting, and its fertilization time is critical. Generally, ten days before the start of fruit expansion, the leaf surface must be sprayed with potassium dihydrogen phosphate. This will ensure that the sweet potato is high-yield.
5, use biological fertilizer
As the saying goes, "If you want to grow a good land, you should raise the soil first." Biological bacteria can play a very unique role in disease resistance and soil improvement. Only when the land is good, sweet potato cultivation will be high-yielding, because the land is the condition for the survival of sweet potatoes.
The above are the five points about high-yield fertilization of sweet potatoes. When we grow sweet potatoes, we must pay attention to these aspects. In order to make sweet potato high yield, do you have any good suggestions? Welcome to share the message.
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