Zinc is an essential nutrient for crop growth and development. It is required by plants to carry out various physiological processes such as photosynthesis, protein synthesis, and hormone synthesis. Zinc deficiency can lead to stunted growth, reduced yield, and poor quality crops. One way to address this issue is through the application of zinc sulphate.
Zinc sulphate is a water-soluble salt that is commonly used as a fertilizer to provide zinc to the soil. It is a white, crystalline substance that can be applied in various ways such as as a foliar spray or as a soil amendment. The dose of zinc sulphate required for crops depends on several factors such as soil type, crop variety, and stage of growth.
The typical dose of zinc sulphate for crops ranges from 20 to 40 kg per hectare. However, this can vary depending on the specific crop and soil conditions. For example, crops such as wheat, rice, and maize require higher doses of zinc as they have a higher demand for the nutrient. Similarly, soils that are alkaline or have a high pH may require higher doses of zinc sulphate as zinc is less available in these conditions.
The application method of zinc sulphate also affects the dose required. Foliar application of zinc sulphate requires a lower dose as the nutrient is directly absorbed by the leaves. However, when applied to the soil, a higher dose is required to ensure that the nutrient is distributed evenly and reaches the roots of the plant. Additionally, the timing of application also affects the dose required. For example, early season application of zinc sulphate is recommended for better crop development.
In conclusion, the dose of zinc sulphate required for crops varies depending on several factors such as crop variety, soil type, and stage of growth. It is important to consult with a soil expert or agronomist to determine the appropriate dose based on these factors. By providing the appropriate dose of zinc sulphate, farmers can ensure better crop growth, increased yield, and improved crop quality.