Tea plant fertilization methods and precautions

Frequently Asked Questions] How to fertilize tea gardens? What are the methods and precautions for fertilizing tea gardens?

【Expert Solution】To use fertilizer in tea gardens, it is necessary to combine the characteristics of tea trees with fertilizer requirements and apply various fertilizers in a timely and appropriate manner so as to promote the growth of tea trees, achieve high-quality and high-yield tea, restore and enhance soil fertility, and achieve land use and land conservation. Combine.

The period of application of basal fertilizers is basically to stop growing on the ground of the tea tree, so it is better not to be late. Generally, the tea region in the middle and lower reaches of the Yangtze River should be applied in mid-October. The southern tea region can be postponed as appropriate.

The application amount of basal fertilizer depends on the age of the tree and the productivity of the tea plantation. Generally, 250-300 kilograms of bio-organic fertilizer is applied to the Mushi plantation.

Tea plant base fertilizer determine the location and method of fertilization according to age:

The 1-2 year-old tea tree is about 15 cm wide and 15-20 cm deep from the root neck, and it is applied parallel to the fertilization groove of the tea line.

The 3-4 year-old tea tree is applied with bio-organic fertilizer at a depth of 20-25 cm from the root neck at a height of 20-40 cm; mature-aged tea gardens are deep-distributed along the vertical position of the tree crown, and the depth is 20-30 cm.

If you have closed a tea plantation, you need to ditch between two rows of tea trees. If you have a row of ditching, you should change the location of fertilizer every year, slope or narrow terraced tea gardens. The base fertilizer should be applied to tea plants or the uphill position of the tea plantation and the inside of the terrace. Orientation to reduce the loss of fertilizer.

The tea garden fertilizers should be applied in batches at different times:

The first time the topdressing is applied before the spring tea, the spring shoots are applied when the scales reach the initial stage of the fish leaves, and the tea region in the middle and lower reaches of the Yangtze River is best finished in the early March.

The second dressing is performed after the end of the spring tea or when the growth of the spring shoots is basically stopped. Generally, the top dressing is applied before the end of May.

The third time after the summer tea picking or when the growth of the summer shoots basically stopped.

For high-temperature or high-yielding tea gardens, the fourth or more topdressing should be carried out. The top dressing time should be determined according to the actual situation. The tea plantation topped 100 kg of bio-organic fertilizer per mu, and the young tea plantations were ditched at a distance of 10 cm from the outside of the canopy, and the mature tea plantations were ditched vertically along the canopy.

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