Six "keys" to the Survival of Apple seedlings
1. Scientific storage, suitable planting
Seedlings to winter storage (false planting), spring local apple bud germination planting is good. False planting should choose shady places without ponding, maintain stable and appropriate humidity and temperature, and make roots and wet sand (soil) closely connected.
2. Good soil management
When planting a new garden in rotation, make full use of mature soil: do not disturb the soil layer; when planting a garden in continuous cropping, it must be planted on the spot: deep turning more than 60 cm (disturbing the original soil layer) and removing roots. All ditch or ridge into a platform to build a garden, must be watered after sinking, can be planted.
3. Prohibition of chemical fertilizer, careful use of farm manure
When planting new orchards, it is forbidden to use chemical fertilizers; if farm manure is not decomposed, it will have side effects and must be used with caution.
4. Pay attention to seedling treatment before planting
Before planting, it must be soaked in water for more than 24 hours. To promptly cut off the roots of pests and diseases and marry the interface of the dry stub, and timely daub treatment with fungicides. When planting, it should be planted in rows according to the size of the classification. The height of the stem is approximately the same in each row.
5. Adopt reasonable planting methods
For common seedlings on arbor stock or self-rootstock, the planting depth can be consistent with the nursery depth; for M series interstock seedlings, double rootstock planting mode should be adopted. Planting depth buried to two thirds of the interstock.
6. Do a good job in post-planting management
Ensure survival after planting, should be poured in time 2~3 times of water, and then cultivate a conical mound. In order to prevent the tree from slanting after watering, bamboo poles can be used for support; after planting, it must be cut short and dry at the full bud, and cut off the wound protection. Carry out the work of painting white trunk in late autumn and early spring.
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How to apply fertilizer in apple orchard during the peak fruit period of growing apple
The main results are as follows: 1. the best period for applying base fertilizer is from mid-September to mid-October, which should be mainly organic fertilizer, the tree in full fruit stage should be calculated according to the yield of 2000-3000 kg per mu, and the amount of organic fertilizer should reach 3000-4000 kg per mu, combined with the application of appropriate amount of quick-acting chemical fertilizer. 6-10 kg per mu of pure nitrogen
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Control of mango green thorn moth
1. Taxonomic status of mango green thorn moth, also known as brown edge green thorn moth [Parasaconsocia Walker], belongs to lepidoptera, thorn moth family. 2. Host and damage characteristics Host is extensive, damage mango, banana, citrus, peach, plum, plum, persimmon, chestnut, cherry, apple, pear
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