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Farmer Asked Query On Fertilizer Management In Groundnut

Title: Farmer Inquiries Regarding Fertilizer Management in Groundnut Cultivation


Groundnut, also known as peanut, is an important oilseed crop that is widely cultivated in many parts of the world, including various regions in Africa, Asia, and the Americas. Groundnut farming not only contributes to global food security but also acts as an income source for many farmers. To ensure optimum growth and yield, proper fertilizer management is vital. In this article, we will address some common queries from farmers regarding fertilizer management in groundnut cultivation.

Soil Testing and Nutrient Requirement:

Before applying fertilizers, it is crucial to understand the nutrient composition and pH level of the soil. Conducting a soil test helps in determining the exact requirements of groundnut crops. The test results provide valuable insights into the soil’s nutrient content, enabling farmers to make informed decisions about fertilizer application. Based on the soil test report, the fertilizer requirement can be adjusted, leading to improved groundnut productivity.

Application Timing and Quantity:

Determining the right timing for fertilizer application is essential for maximizing crop yield. Generally, groundnut requires nitrogen (N), phosphorus (P), and potassium (K) fertilizers. Nitrogen promotes leaf growth, phosphorus enhances root development, while potassium aids in overall plant development, drought tolerance, and disease resistance.

For groundnut, farmers commonly apply fertilizers in two stages:

1. Pre-planting stage: Prior to sowing, farmers incorporate 15-20 kilograms of nitrogen, 30-40 kilograms of phosphorus, and 40-50 kilograms of potassium per hectare. This helps establish a strong root system and promotes early plant growth.

2. Topdressing stage: Around 30-40 days after planting, groundnut crops are generally given a topdressing of nitrogen fertilizer at a rate of 25-30 kilograms per hectare. This additional supply of nitrogen supports the plant’s growth during the reproductive stage, resulting in healthier plants and increased yield.

Fertilizer Type and Form:

Choosing the right type and form of fertilizer is crucial for efficient nutrient uptake by the groundnut plant. For groundnut cultivation, it is common to use fertilizers with a balanced ratio of nutrients, such as 10:20:20 (NPK). Alternatively, combinations like 14:35:14 or 10:26:26 can also be considered, depending on soil requirements.

Fertilizers can be applied either in granular or powdered form. Groundnut crops respond well to deep placement of fertilizer during sowing. This method helps in the proper utilization of nutrients and reduces nutrient losses due to runoff or volatilization.

Effects of Overfertilization:

While fertilizers play a vital role in promoting crop growth, it is crucial to avoid overfertilization. Excessive fertilizer application can result in nutrient imbalances, which may adversely affect groundnut crops. Overfertilization can lead to excessive vegetative growth, reduced flowering, and poor pod formation. Additionally, it can negatively impact the soil’s microbial activity and promote pest and disease outbreaks.


Proper fertilizer management is a critical factor in achieving optimum groundnut yield. By conducting soil tests, determining the required nutrient quantities, and adopting precise application methods, farmers can ensure healthy groundnut crops. Remember, it is important to strike the right balance between nutrient application and avoiding overfertilization. By following these practices, farmers can enhance their groundnut harvest, resulting in improved income and sustainable farming practices.

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