Detailed Explanation of Key Points for High-Yield Fertilization Techniques for Peas

Peas are one of our favorite vegetables. They are nutritious, originated from the Mediterranean and Asia regions, and are one of the world's important cultivated crops. If you want to achieve high yields when planting, fertilization is the key point. So how should peas be fertilized to achieve high yields? Let's take a look.

1. Soil Requirements

To achieve high yields of peas, in addition to fertilizing during the growing period, you must first choose a good planting site before planting. Peas are not strict about soil requirements and can adapt to many types of soil. However, loam or clay loam with a soil pH of 6-8 is preferable. Once the soil pH is below 5.5, diseases are very likely to occur and the pod-setting rate will decrease. If the acidity is too high, lime and plant ash can be added to adjust it. In addition, the pea root system secretes substances that effectively support the activity of rhizobia and root growth, so it is best not to practice continuous cropping.

2. Fertilizer Requirements

Throughout the entire growing period, peas have a relatively large demand for nitrogen, phosphorus, and potassium fertilizers, with nitrogen being the greatest, potassium next, and phosphorus the least. Although its root nodules can fix nitrogen from the soil and air, we still need to apply nitrogen fertilizer as a top dressing. When applying nitrogen fertilizer, attention should be paid to the nitrogen supply from the root nodules. In the early growth stage, if too much nitrogen fertilizer is applied, it will delay the formation of root nodules, cause excessive vegetative growth of the aboveground stems and leaves, and lead to flower and pod drop; at harvest time, if the nitrogen supply is insufficient, the harvest period will be shortened and the yield will be reduced. In addition, when root nodules are forming, increasing the application of phosphorus and potassium fertilizers can promote the formation of root nodules, prevent excessive vegetative growth of the plants, and enhance disease resistance.

3. Apply Sufficient Base Fertilizer

The growth cycle of peas is long, and the main root develops relatively quickly. Generally, seedlings can emerge within one week after sowing. Ten days after the seedlings emerge, the main root is already more than ten cm long, and after 20 days of growth, the main root can grow to more than 154 cm. Therefore, before planting, base fertilizer must be applied well. In the north, for spring sowing, base fertilizer is generally applied during autumn plowing; in the south, for autumn sowing, base fertilizer is generally applied during land preparation, to ensure that the seedlings have enough nutrients to grow, so that the seedlings are uniform and strong. Base fertilizer is generally mainly organic fertilizer, supplemented by chemical fertilizer. Per mu, 3000-5000 kg of decomposed organic fertilizer, 25-30 kg of superphosphate, and 10 kg of urea can be applied.

4. Timely Top Dressing

During the growing period, in order to make the plants bloom and set pods more, timely top dressing should be carried out according to the plant's growth condition. The first fertilization can be carried out at the flowering stage, generally applying 5 kg of urea and 15-20 kg of ternary compound fertilizer per mu, applied before the rainy season or followed by watering after fertilization, which can speed up absorption by the plants. The second time is at the pod-setting stage, applying 7-8 kg of urea and 20-25 kg of ternary compound fertilizer per mu, also in combination with watering.

The above is an introduction to high-yield fertilization techniques for peas. We hope it can help you. If you want to learn more related knowledge, please stay tuned to us.