Parsley cultivation techniques

As a popular seasoning vegetable, it is not only rich in nutrients but also easy to cultivate and manage. This article will introduce its characteristics, variety selection, and cultivation techniques in detail.

Earthworms, commonly known as wolfberry, belong to the Umbelliferae family. They are cold-tolerant, able to survive temperatures as low as -1°C to 2°C, with an optimal growth temperature between 17°C and 20°C. Growth slows down when temperatures exceed 20°C, and they stop growing completely at 30°C. The soil does not need to be overly moist, but well-structured soil with high fertility, good water retention, and rich organic matter is ideal for their development.

When selecting wolfberry varieties, two main types are available: large-leaf and lobular. Large-leaf varieties tend to be taller with broader leaves, fewer and shallower leaf cuts, a lighter aroma, and higher yields. On the other hand, lobular varieties are more compact, with smaller leaves, deeper cuts, a stronger fragrance, better cold resistance, and greater adaptability. However, they have lower yields and are generally less preferred. Therefore, most growers opt for the lobular type due to its resilience and ease of management.

Open-field cultivation can be done during spring, autumn, and winter. Seedlings should not be overwatered initially. Once they reach about 10 cm in height, they grow vigorously, so watering should be kept consistent to maintain moisture on the soil surface. During this period, apply nitrogen fertilizer 1 to 2 times. Regular weeding and proper spacing are essential to ensure healthy growth. In summer, shading is necessary to protect against excessive heat, and precautions should be taken to prevent damage from heavy rain. After rainfall, drainage should be ensured to keep the plants uniform and neat.

In greenhouse cultivation, seeds are usually sown between September and October. Before winter, seedlings are watered with frozen water to help them survive the colder months. From January to February, there should be no ventilation or limited ventilation. When the seedlings turn green, the soil should be loosened, and weeds removed. Once the seedlings reach 10 cm in height, they enter a vigorous growth phase, and the greenhouse temperature should be maintained between 15°C and 25°C. Applying approximately 15 kg of ammonium sulfate per acre helps promote growth, allowing for 1 to 2 harvests in advance.

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