Walnu farming in India: Growing tips & popular varieties

Walnuts are one of the most profitable tree crops a person can grow as a farmer in the country of India. The demand for the product is high, the price is good, and once the trees are established, they can keep producing for many decades. This guide is for the person living in a hilly area of the country, or for the person wishing to get into the business of walnut farming, as everything a person needs to know is included.

What is Walnut Farming?

Walnut farming is the commercial cultivation of walnut trees for the production of edible nuts. This type of farming is practiced in the Indian states of Jammu, Kashmir, Himachal, and Uttarakhand, as the climate is naturally conducive for the growth of the trees. 

Walnut trees are grown for both local consumption and for export, as the quality of Indian walnuts is naturally high. One mature tree can produce 20 to 40 kg of nuts during the season.

Which Climate and Soil Are Best Suitable for Walnut Farming in India?

The best suitable climate and soil conditions for walnut farming are:

• Walnut trees require a cold climate to thrive. 
• Trees need a chilling period during the winters. The temperature needs to be between 0°C to 10°C for a period of 400 to 1500 hours. 
• Ideal soil for walnut farming is deep loamy soil.
• Soil pH needs to be between 6.0 to 7.5. 
• The soil needs to have good drainage to avoid water logging. 
• Soil needs to have good organic content. 

Top 5 Walnut Producing States in India

The top 5 walnut-producing states in India are: 

• Jammu and Kashmir is the biggest producer of walnuts in India. The state contributes nearly 96% of India’s total walnut production. 
• Himachal Pradesh is the second biggest producer of walnuts in India. The state contributes 0.56% of India’s total walnut production. 
• The state of Uttarakhand has a large region for walnut cultivation in the districts of Tehri, Pauri, and Chamoli. The walnut production in this state is estimated at 8.37 thousand tonnes per annum. 
• Arunachal Pradesh has shown a good level of interest in walnut cultivation. The average production of walnuts in this state is 0.41 thousand tonnes per annum. 
• Ladakh is a leading walnut producer of India.The region has a cold desert that is suitable for walnut cultivation. The state contributes nearly 0.11 thousand tonnes of walnut production per annum.

What are Popular Walnut Varieties Grown in India?

Some of the popular walnut varieties grown in India are as follows: 

• Kashmiri Walnut (Desi) is the traditional variety of walnut that is commonly grown in Jammu & Kashmir. This variety of walnut is very popular in India due to its thin shell and strong kernel taste.
• Gobind is a popular variety of walnut that is commonly grown in India. This variety of walnut is very popular among Indian farmers due to its early maturity and higher yields.
• Wilson Wonder is a popular variety of walnut that is commonly grown in Himachal Pradesh. This variety of walnut is very popular among Indian farmers due to its larger kernel size.
• Placentia is another popular variety of walnut that is commonly grown in India. This variety of walnut is very popular among Indian farmers due to its consistent yields.
• Franquette is a popular variety of walnut that is commonly grown in India. This variety of walnut is very popular among Indian farmers due to its late leafing habit, which makes it suitable for growing in regions where late spring frosts are common.

How to Start Walnut Farming in India:Step by Step Guide

Farmer can follow the below steps to start walnut farming in India. 

Step 1: Identify the correct location. 

The land for walnut farming must be located at an appropriate altitude with proper air drainage and no chance of waterlogging. 
A sloping site is always better than a flat site for walnut farming.

Step 2 : Prepare the soil. 

• The soil must be well plowed, free of weeds, and rich in organic matter. 
• The soil test results can also be used to adjust the soil’s pH. 
• The pits have to be dug 1 meter by 1 meter by 1 meter at least a month before planting.

Step 3 : Procure quality planting material. 

• The saplings for walnut farming have to be purchased from a nursery that is accredited. 
• Grafted plants take 4 to 5 years to bear fruit compared to 10 years or even more for seedling-grown plants. 

Step 4: Plant at the correct time. 

The best time for planting walnut is between December and February when the plants are dormant. 

Step 5: Irrigation and fertilization. 

• Trees require consistent water supply, especially during the first two years. Drip irrigation is effective for use in sloping land. 
• Nitrogenous, phosphatic, and potassic fertilizers should be applied in suitable proportions depending on the soil type. 
• Annual use of manure can help in improving the quality of the soil over time.

Step 6 : Pruning and training. 

• Trees should be pruned during the dormant season. 
• The process can help in improving the quality of the nuts. The quality depends on the penetration of light and air circulation.

Step 7: Pest and disease management. 

The diseases that affect walnut trees include walnut blight, aphids, and root rot. Regular observation and timely use of fungicides and pesticides can help in controlling these diseases. Experienced farmers observe their trees at least once a week during the active growth period.

Step 8: Harvesting. 

Walnuts can be harvested between September and November. The green husks start splitting. The walnuts are collected and dried before being sold.

Benefits of Walnut Farming for Farmers

Walnut farming has many benefits for farmers, which makes it a worthwhile venture for those in walnut-growing regions.

• It is a lucrative venture. Walnut trees, when they are mature, can yield between 20 and 40 kg of walnuts annually, with walnut gate prices in India ranging from Rs. 100 to Rs. 200 per kg depending on quality and grade. 
• Walnut trees are a long-term investment for farmers. Walnut trees can live for as long as 50 to 100 years, making walnut a worthwhile investment for farmers.
• Walnut trees are less thirsty than other fruits, especially in hilly regions where rain-fed conditions are common.

Conclusion

Walnut farming is not a quick return crop but one of the most rewarding long-term investments that a farmer in a hilly region can make. The trick here is to get the right variety and be consistent in the early days. 

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