Lemon is a fruit tree belonging to the citrus family of subtropical origin. Lemons have many varieties, common varieties such as: paper lemons are favored by many people because of their thin skin, lots of water, aromatic taste, round knob lemons, Indo fragrant lemons, imported from Indonesia, round, beautiful fruits, lima lemons. seedless persa, Eureka lemon… Techniques for growing lemon trees simple, easy to flower, set fruit, adapt to many types of soil and many ecological regions in our country. Please take a moment to read our articles.
Soil for lemons
The best climate for lemons
Suitable for our country’s tropical monsoon climate. The most suitable temperature for plant growth is about 15 -32 degrees Celsius. Avoid planting lemons in areas prone to flooding.
Essential nutrition for lemons
For best plant growth, a lot of nutrients are needed. For the lemon tree, both a fruit tree and a strange tree that uses leaves every day, it needs a lot of fertilizer to help the leaves grow well with the fruit. Protein helps lemon leaves green, thick, many fruits, short fruit harvest time. Potassium helps plants hardy, prevent many diseases. Phosphorus helps strong roots, calcium helps leaves large and less pests.
4. Techniques for growing Lemons
Time to plant lemons
Need to plant lemons in February, August, and October every year. These are the most suitable months for Lemon to grow well.
Making land for planting Lemons
Need to loosen the soil carefully, the appropriate density for planting Lemon is about 55 – 85cm / tree, so don’t plant too thick Lemon will make the leaves, small fruit and easy to pests.
Step 1: Clean the weeds
Step 2: Dig a planting hole. The depth of the planting hole depends greatly on the type of soil. For hilly soil, the most suitable distance is from 25-40cm. The size of the pit is 3.5 x 4cm
Step 3: Fertilize the planting hole: The amount of organic fertilizer depends on the nutrients of the soil. It is necessary to fertilize rotting manure + rice husk + phosphate fertilizer + a little insecticide in order to prevent mealybugs and nematodes from damaging plant roots, about 20kg is enough. Then fill with a small amount of topsoil.
Step 4: Remove the plastic bag of the seedling -> Place the lemon tree and then fill a part of the soil. Care should be taken to minimize damage to the roots. The right time to plant trees is in the cool afternoon (about 6pm).
Step 5: Using a straight branch attached to the tree helps the seedling to grow upright, the root is not blown by the wind, uprooting and helping the lemon root to grow quickly. Finally, water the plants.
After 10 days of planting, if the seedling is dead, it is necessary to replace the seed immediately to catch the harvest with other seedlings.
After planting about 20 days to 1 month, the new branches will gradually be younger, light green, and need more fertilizer to help the tree grow many new branches.
After planting 1.5 months, it is necessary to clean the grass for the tree, if the fruit is overgrown, the tree will be taken away by the grass a lot of nutrients from the soil. stunting, slow growth.
The plants need to be watered regularly. The appropriate frequency of watering is every 2 days for the first 1 month.
Particularly for lemon trees, it is necessary to fertilize the tree to grow quickly in the early years to help the tree have more nutrients to create conditions for the tree to quickly flower and set many fruits. Need to water the plants with the dosage: 10 liters of water + 1 tablespoon of urea. Watering like this about three times a year. After watering, it needs to be watered again with clean water.
Pruning old and weak leaves
It is necessary to pay attention to pruning the tree and taking care of the tree regularly. Pruning old leaves, weak leaves and diseased leaves helps pests and diseases to have no place to live and does not consume more nutrients to feed the infected leaves. Remove dense lemon branches too close to the base, old dry branches and small branches to create ventilation to help the tree achieve the best yield.
Reduce flowering and fruiting time
By limiting watering the tree, remove the small leaves on the tree, cut off all the overshoots, old branches, and small branches that have grown in the canopy. When the plant begins to produce tiny flower buds, it needs to be watered for 2 days in a row. When the lemon has fruited as small as the little finger, NPK fertilizer should be applied at a dose of 0.5kg/tree to help the fruit grow quickly.
Methods for Chanh to go off-season
When the lemon in the right season is in bloom, hoe around the canopy to a depth of 20cm and stop watering, fertilizing, removing some fruit and backfilling. After a period of about 1 week, hoe and fertilize with each The root fertilizes about 1kg of potassium chloride, within 1 month do not water the plants, after 1 month watering and caring for the plants normally.
Pests and diseases and how to prevent them
It manifests as small round, brown spots. The way to get rid of it is to spray 0.5% Zineb for the tree.
The manifestation of the disease is the appearance of small, yellow-green spots covered with a dense layer of fungus like powdery mildew. Eliminate disease by spraying Topsin M 0.075-0.1% + lime powder
It is necessary to carefully observe the tree every day, if you see the phenomenon of the tree being infected with bugs, it should be removed immediately. For aphids caused by insects that are too small, it is necessary to spray Bi58 0.05-0.1% for plants immediately, avoid letting aphids spread to surrounding trees, if you see aphids in many trees without timely eradication, it will affect seriously affect fruit quality.
As a pest that often damages citrus trees, the identification characteristics are that the tree is bore into zigzag lines, the epidermis is swollen, and the young leaves are deformed. It is necessary to eradicate the vermin by spraying Padan 95WP with a concentration of 0.05-0.1% for plants.
As an insect that causes fruit tanning, it affects the outside shape of the fruit and reduces economic efficiency. It should be eradicated by spraying sulfur powder with a spray volume of 25kg/ha
It is an insect that damages leaves. Eliminate red spider by spraying Polytrin 40EC 0.1% for plants. This is a specific drug for eradicating this pest.
Stem borer, branch borer
From the worm’s turbidity will secrete opaque yellow substances. It is necessary to quickly trim the hair to eradicate, then immediately remove the wilted branches.
Tips for growing lemons for townhouses growing in small quantities
In order for the lemon to produce the wrong fruit, it should be noted
– In the 11th lunar month, island gourd with lemon roots, strongly cut the roots around the gourd, then replant, water lightly.
After a few days of watering gradually to make the soil slightly dry, the plants are slightly wilted, then gradually water again.
– Fertilize far from the root.
– Note: when the lemon has flowered, or the fruit is still small, absolutely do not water the fertilizer, do not let the soil dry, the soil must always be moist, otherwise the flowers and fruits will fall.
Above is what AgriSearch wants to share with farmers about lemon growing techniques. We hope that the information we share will help farmers gain more experience in planting and taking care of their own lemon gardens.