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Information Regarding the Fertilizer Application Time in Paddy

Title: Understanding the Optimal Timing for Fertilizer Application in Paddy Cultivation

Paddy, commonly known as rice, is the staple food for over half of the global population. With the ever-increasing demand for rice production, farmers must adopt effective farming practices to maximize yields. One crucial aspect of paddy cultivation is the timing of fertilizer application. Precision in timing fertilizer application ensures optimal nutrient uptake by the crop, leading to increased yields, improved grain quality, and reduced environmental impact. In this article, we will delve into the essential information regarding fertilizer application timing in paddy cultivation.

1. Pre-planting Fertilization:
Before planting paddy, a soil test is crucial to determine the nutrient status and identify deficiencies. Based on the soil test results, pre-planting fertilizers can be applied to amend any nutrient imbalances. These fertilizers are usually applied a few weeks prior to transplanting or direct seeding.

2. Basal Fertilization:
Basal fertilization involves the application of fertilizers near the root zone during transplanting or seeding. This practice establishes a nutrient-rich foundation for the developing plants. Typically, basal fertilizers contain nitrogen (N), phosphorus (P), and potassium (K), commonly referred to as NPK fertilizers. The recommended dose for each nutrient depends on soil nutrient content, crop variety, and environmental factors.

3. Top-dressing Fertilization:
Top-dressing fertilization, also known as side-dressing, involves the application of additional fertilizers at a specific growth stage of the paddy crop. This supplemental application allows farmers to meet the crop’s changing nutrient requirements during different growth phases. The two key stages for top-dressing fertilization are the tillering stage and the panicle initiation stage.

– Tillering Stage: Typically occurring around 20-25 days after transplanting or direct seeding, the tillering stage is characterized by the appearance of lateral shoots or tillers. During this stage, paddy requires nitrogen for productive tiller formation. Applying nitrogen-based fertilizers, such as urea, is recommended to ensure proper growth and maximum tiller production.

– Panicle Initiation Stage: This stage marks the beginning of panicle or spikelet formation, usually around 45-50 days after transplanting or direct seeding. Paddy plants require a balanced nutrient supply, especially nitrogen and phosphorus, for panicle initiation and reproductive development. Applying fertilizers rich in both nutrients, such as a combination of urea and triple superphosphate, effectively supports panicle development and grain formation.

4. Split Application:
In some cases, farmers may opt for split application, dividing the total fertilizer dose into multiple applications throughout the crop’s growth cycle. Split application helps optimize nutrient availability as per the crop’s changing demands, reduces nutrient wastage due to leaching or volatilization, and minimizes environmental pollution.

Precise timing of fertilizer application in paddy cultivation is crucial in ensuring maximum nutrient uptake by the crop and improving overall productivity. By following recommended practices for pre-planting, basal, and top-dressing fertilization, farmers can optimize yields, enhance grain quality, and minimize environmental impacts. Understanding the various growth stages of paddy and their corresponding nutrient requirements allows farmers to make informed decisions regarding fertilizer application, leading to successful rice cultivation.

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