preliminary seedling

简明释义

预备苗

英英释义

例句

1.We need to monitor the preliminary seedling closely for any signs of disease.

我们需要密切监测这株初步幼苗，以防出现任何疾病迹象。

2.The researchers planted a preliminary seedling to test the growth conditions in the greenhouse.

研究人员种植了一株初步幼苗以测试温室内的生长条件。

3.After several weeks, the preliminary seedling showed signs of healthy growth.

几周后，这株初步幼苗显示出健康生长的迹象。

4.In the lab, we are experimenting with different fertilizers on the preliminary seedling.

在实验室，我们正在对这株初步幼苗尝试不同的肥料。

5.The preliminary seedling was chosen for its genetic traits that promise better yields.

这株初步幼苗因其有望提高产量的遗传特征而被选中。

作文

In the world of agriculture and horticulture, the term preliminary seedling refers to the early stage of plant development, where seeds have germinated and small plants begin to emerge. This phase is crucial for growers as it lays the foundation for future growth and productivity. Understanding the significance of the preliminary seedling stage can greatly enhance farming practices and improve crop yields.The process begins with the selection of quality seeds which are essential for producing healthy preliminary seedlings. Farmers must choose seeds that are well-suited to their local climate and soil conditions. Once the seeds are selected, they are sown in a controlled environment, often using seed trays or pots filled with nutrient-rich soil. During this initial phase, the seeds require adequate moisture, warmth, and light to germinate successfully.As the seeds sprout, they enter the preliminary seedling stage, characterized by the emergence of cotyledons, which are the first leaves that appear. These leaves are critical as they provide the young plant with energy through photosynthesis. At this point, it is vital for growers to monitor the environmental conditions closely. Factors such as temperature, humidity, and light intensity can significantly affect the health and growth of the preliminary seedlings.One of the main challenges during the preliminary seedling stage is preventing diseases and pests. Young plants are particularly vulnerable to pathogens and insects, which can hinder their growth or even destroy them. Implementing effective pest management strategies, such as using organic pesticides or introducing beneficial insects, is essential to protect these fragile plants. Additionally, ensuring proper air circulation around the seedlings can help reduce the risk of fungal infections.As the preliminary seedlings grow, they will need to be carefully watered and fertilized. Overwatering can lead to root rot, while underwatering can cause stress and stunt growth. A balanced approach to watering, combined with the application of appropriate fertilizers, will help ensure that the seedlings develop strong roots and healthy foliage.Once the preliminary seedlings reach a certain size and strength, they can be transplanted into larger pots or directly into the field. This transition is known as the hardening-off process, where seedlings are gradually acclimatized to outdoor conditions. Proper hardening-off is crucial, as it helps the plants adapt to their new environment and reduces transplant shock.In conclusion, the preliminary seedling stage is a vital part of the plant life cycle that requires careful attention and management. By understanding the needs and challenges associated with preliminary seedlings, farmers and gardeners can improve their cultivation techniques and ultimately achieve better harvests. Investing time and resources into this early stage will pay off in the long run, leading to healthier plants and more productive growing seasons.

在农业和园艺的世界中，术语初步幼苗指的是植物发育的早期阶段，此时种子已经发芽，小植物开始出现。这个阶段对于种植者至关重要，因为它为未来的生长和生产力奠定了基础。理解初步幼苗阶段的重要性可以大大提升农业实践并提高作物产量。这一过程始于优质种子的选择，优质种子对于生产健康的初步幼苗至关重要。农民必须选择适合当地气候和土壤条件的种子。一旦选择了种子，它们就会被播种在一个受控环境中，通常使用装满营养丰富土壤的种子托盘或花盆。在这个初始阶段，种子需要适量的水分、温暖和光照，以成功发芽。随着种子的发芽，它们进入初步幼苗阶段，特征是子叶的出现，这是第一个出现的叶子。这些叶子是至关重要的，因为它们通过光合作用为幼小的植物提供能量。在这一点上，种植者必须密切监测环境条件。温度、湿度和光强等因素都会显著影响初步幼苗的健康和生长。在初步幼苗阶段，一个主要挑战是防止疾病和害虫。年轻的植物特别容易受到病原体和昆虫的侵害，这可能会阻碍其生长甚至摧毁它们。实施有效的害虫管理策略，例如使用有机农药或引入益虫，对于保护这些脆弱的植物至关重要。此外，确保幼苗周围有适当的空气流通可以帮助减少真菌感染的风险。随着初步幼苗的生长，它们需要仔细浇水和施肥。过度浇水可能导致根腐，而缺水则会导致植物压力和生长迟缓。平衡的浇水方式，加上适当施肥的应用，将有助于确保幼苗发展出强壮的根系和健康的叶片。一旦初步幼苗达到一定的大小和强度，它们就可以被移植到更大的花盆或直接移植到田地中。这个过渡过程被称为“硬化”过程，幼苗逐渐适应户外条件。适当的硬化过程至关重要，因为它帮助植物适应新环境，并减少移植冲击。总之，初步幼苗阶段是植物生命周期的重要部分，需要仔细关注和管理。通过理解与初步幼苗相关的需求和挑战，农民和园丁可以改善他们的栽培技术，最终实现更好的收成。在这一早期阶段投入时间和资源将在长期内得到回报，从而导致更健康的植物和更富有成效的生长季节。