1、Legume
Legume-based crop diversification is recommended to enhancing yields as well as agroecosystem functions and services. However, the effect of legume inclusion with optimal nitrogen (N) fertilization on subsequent crop yield and soil quality remains incomplete.
2、Enhancing nitrogen use efficiency in agriculture by integrating
These crops act as natural nitrogen providers, particularly leguminous plants that can fix atmospheric nitrogen through symbiotic relationships with soil bacteria.
3、Patterns and Mechanisms of Legume Responses to Nitrogen Enrichment: A
Amid ongoing debates about how leguminous plants respond to N enrichment, the present study compiles 2174 data points from 162 peer-reviewed articles to analyze the impacts and underlying mechanisms of N enrichment on legumes.
4、Optimizing nitrogen fertilizer for improved root growth, nitrogen
Optimizing nitrogen fertilizer supply within the range of 225–300 kg N ha −1 can enhance root foraging, thereby promoting the interaction between roots and shoots and ultimately improving...
5、Legume rotation with optimal nitrogen management enhances subsequent
Legume rotation and optimized nitrogen application are established strategies for sustainable crop production and soil quality improvement. This study aims to clarify the effects of soybean stubble combined with nitrogen reduction on winter wheat growth, nitrogen uptake, soil ecosystem multifunctionality (EMF), and soil-crop interactions. Methods
Patterns and Mechanisms of Legume Responses to Nitrogen
Amid ongoing debates about how leguminous plants respond to N enrichment, the present study compiles 2174 data points from 162 peer-reviewed articles to analyze the impacts and underlying mechanisms of N enrichment on legumes.
Breaking the legume intensification paradox: Precision nitrogen
However, the necessity of nitrogen (N) fertilization varies significantly among different crop species, particularly in leguminous crops, which possess the unique ability to fix atmospheric N through symbiotic relationships with rhizobial bacteria.
(PDF) Enhancing Rhizobium–Legume Symbiosis and Reducing Nitrogen
To achieve optimal nitrogen fixation and plant growth, it is important to effectively manage nitrogen availability, soil conditions, and environmental stressors.
Legume–grass mixtures improve biological nitrogen fixation and nitrogen
The results showed that mixing significantly promoted legume nodulation, optimized the configuration of the root system, increased aboveground dry matter, and enhanced nitrogen fixation in different ecological regions.
Enhancing Rhizobium–Legume Symbiosis and Reducing Nitrogen
The symbiotic relationship between Rhizobium bacteria and leguminous plants plays a vital role in sustainable agriculture by facilitating access to atmospheric nitrogen, improving soil fertility, and reducing the need for chemical fertilizers.
Leguminous plants, especially widely cultivated species such as soybeans, mung beans, and broad beans, have a high demand for nitrogen fertilizers. Applying nitrogen fertilizer is one of the key measures to enhance their yield and quality. Below is a detailed guide on how to effectively apply nitrogen fertilizer to leguminous plants:
1. Understanding Nitrogen Requirements
First, it is essential to recognize that leguminous plants have varying nitrogen needs at different growth stages. For instance, during the flowering and pod-setting stages, their demand for nitrogen peaks. Supplementing nitrogen at this stage can promote plant growth and increase fruit and seed yields. In contrast, during the germination and seedling stages, nitrogen requirements are relatively lower. the amount and frequency of nitrogen application should be adjusted according to the plant’s growth phase.
2. Selecting the Right Type of Nitrogen Fertilizer
Nitrogen fertilizers come in various forms, including urea, ammonium nitrate, ammonium sulfate, and ammonium chloride. Each type differs in efficacy, solubility, retention, and cost. When choosing a nitrogen fertilizer, consider the specific needs of the leguminous plant and soil conditions. For example, urea is a common option due to its fast-acting properties and ease of absorption by plants, making it suitable for rapid yield increases. Ammonium chloride, works better in acidic soils, as it helps maintain soil pH balance.
3. Application Methods
The method of applying nitrogen fertilizer also impacts its effectiveness. Common approaches include:
- Basal Fertilization: Spread nitrogen fertilizer evenly over the soil surface and incorporate it into the soil. This method is ideal for long-term or continuous fertilization.
- Topdressing: Apply nitrogen directly near the root zone during critical growth stages, such as flowering and pod-setting. This reduces waste and improves nitrogen uptake efficiency.
- Foliar Spraying: For nitrogen-demanding leguminous varieties, apply liquid nitrogen fertilizer directly to the leaves during rapid growth phases. While convenient, avoid overapplication to prevent fertilizer burn.
4. Timing of Fertilization
Fertilization timing significantly affects outcomes. Generally, applying nitrogen in the morning or evening yields better results, as plants absorb nutrients more efficiently during active growth periods. Additionally, irrigate adequately after fertilization to help dissolve and absorb the nitrogen.
5. Key Considerations
When applying nitrogen fertilizer, keep the following in mind:
- Avoid excessive use, which can lead to nitrogen surplus, causing issues like excessive vegetative growth and reduced disease resistance.
- Coordinate with other nutrients (e.g., phosphorus and potassium) to achieve balanced fertilization.
- Adjust strategies based on soil conditions and climate. For example, in dry regions, increase nitrogen application slightly.
optimizing nitrogen fertilization for leguminous plants requires综合考虑plant growth stages, soil conditions, climate, and fertilizer type/methods. With scientific management, nitrogen application can significantly boost yields and quality, delivering greater economic benefits to agricultural production.
