Sure, here’s an article on fertiliser dosage for guava:
Title: Fertilizer Dose for Guava: Nutrient Requirements and Application Tips
Introduction:
Guava, scientifically known as Psidium guajava, is a tropical fruit tree cherished for its delicious and nutritious fruit. To ensure healthy growth and maximize fruit production, providing the right amount of fertilizers is crucial. In this article, we will discuss the essential nutrients for guava plants and provide guidelines on the appropriate fertiliser dosage.
1. Understanding Guava’s Nutrient Requirements:
Guava trees have specific nutrient requirements for optimal growth and fruit production. The primary nutrients required are nitrogen (N), phosphorus (P), and potassium (K). Additionally, secondary nutrients such as calcium (Ca), magnesium (Mg), and micronutrients like iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), and molybdenum (Mo) are also essential for healthy guava plants.
2. Soil Testing:
Before applying fertilizers, it is recommended to conduct a soil test to determine its nutrient composition. Soil testing helps identify any deficiencies or imbalances, allowing you to tailor the fertilizer application to meet the specific needs of your guava trees. Contact your local agricultural authority or a professional soil testing lab for assistance.
3. Nitrogen (N) Application:
Nitrogen is vital for plant growth, foliage development, and fruit production. Guava trees generally respond well to nitrogen-rich fertilizers, especially during the vegetative growth phase. A general guideline is to apply 400 to 500 grams of nitrogen per guava tree per year. However, ensure that you divide the dosage into multiple applications throughout the growing season to avoid excessive nutrient runoff.
4. Phosphorus (P) and Potassium (K) Application:
Phosphorus plays a crucial role in root development, flowering, and fruit formation, while potassium supports overall plant health and improved fruit quality. Apply phosphorus and potassium fertilizers based on the soil test results and the specific nutrient requirements of your guava trees. Typically, a dose of 200 to 250 grams of phosphorus and 500 to 600 grams of potassium per guava tree per year is advisable.
5. Secondary Nutrients and Micronutrients:
Calcium, magnesium, and other micronutrients contribute to essential physiological processes in guava trees. The appropriate application of secondary nutrients and micronutrients often depends on the soil test results and the presence of any deficiencies. Consult with an agricultural expert to assess the need for additional supplementation and determine the correct dosage.
6. Fertilizer Application Techniques:
To maximize the effectiveness of fertilizers, consider the following application techniques:
– Apply fertilizers evenly around the drip line of the tree, avoiding direct contact with the trunk.
– During the growing season, divide the dosage into multiple applications.
– Water the plants thoroughly after each fertilization to aid nutrient absorption.
– Mulching around the base of the tree helps retain moisture and reduces nutrient leaching.
Conclusion:
Providing the right fertilizer dosage is essential to support healthy growth and abundant fruit production in guava trees. By conducting a soil test, assessing nutrient deficiencies, and applying the correct dosage of primary, secondary, and micronutrients, you can ensure your guava trees receive the necessary nutrients for optimal development and bountiful harvests. Remember, consulting with local agricultural experts is always advisable for targeted recommendations based on your specific growing conditions.