The planting period can be planted in autumn from after the leaves have fallen to before the soil freezes (that is, from October to November). Autumn planting is suitable for spring and drought areas in the north. The advantage is that the wounded roots are easy to heal, and the next spring germinates early and grows sturdy. The disadvantage is that the upper part of the saplings is easy to drain, especially the weak seedlings with poor lignification. Therefore, you should pay attention to the cold protection of young trees in winter. .

Planting density In order to achieve early fruit and increase yield per unit area, to achieve the purpose of early fruit and high yield, dwarf and dense planting is implemented. The most suitable row spacing for walnut planting is 3 meters × 4 to 5 meters or 4 meters × 5 meters or several narrow rows with one wide row. Early-fruiting walnuts have thin shells, high quality, and high yield. Generally, they will bear fruit 2 to 3 years after grafting. The early yield is high and it is suitable for dwarfing and dense planting.

Dig the planting hole before planting according to the planned row spacing, 1 meter in length, width and depth. When digging a hole, the topsoil and subsoil excavated are placed on both sides separately. Planting in autumn, digging holes in summer. Digging holes in advance can make the soil have a longer weathering time, and can also prevent tree pits from sinking and causing root hanging. After digging the planting holes, mix the topsoil with organic fertilizer and chemical fertilizer to backfill, and apply 30-50 kilograms of high-quality farming manure, phosphate fertilizer or silicon-calcium-magnesium-potassium fertilizer 1 to 2 kilograms per hole. Backfill to 30-40 cm from the ground, and then backfill the soil until the pit is full, to ensure that the root system cannot directly contact the organic fertilizer or chemical fertilizer when planting the seedlings, the irrigation is solid and ready for planting.

Seedling treatment before planting, the seedlings are classified according to different heights and thicknesses, so that the same level of seedlings are planted on the same plot. First trim the roots of the seedlings, trim the lower part of the main root of the seedlings, cut off the split and rotten parts, and remove the plastic film binding the grafting interface. Then immerse the roots in 100 times fruit Fukang liquid for 1 minute for disinfection. For long-distance transportation, soak them in clean water for 12 hours or use 2000 times No. 3 rooting powder solution for 2 to 20 minutes.

Planting with plastic film on a solid planting hole, dig 50 cm square planting holes, horizontally and vertically, put the graded seedlings in the hole vertically, requiring the root system to stretch, backfill the soil to make the soil surface slightly higher than the rhizomes, and pour Sufficient water is solidified, and after solidification, the soil surface is exactly on the rhizome. If the planting is too deep, the growth will be poor, and the tree will be weak; if it is too shallow, it will be prone to drought and cause dead seedlings. After planting, it should be covered with plastic film in time to protect moisture. After the water has completely infiltrated, cover it with a layer of loose soil and cover with a layer of 1 meter square plastic film. The middle is slightly lower and the surroundings are compacted with soil. The plastic film can protect moisture, Increase ground temperature and increase survival rate.

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Black Waxy Corn Cut

Black glutinous maize is a special type of maize, whose kernel cuticle deposits melanin to varying degrees, giving it a dark and shiny appearance. The kernels are rich in water-soluble melanin and various essential trace elements, plant protein and various amino acids, with a significantly higher nutritional content than other cereal crops.

The origin of black glutinous maize: coloured glutinous maize is generally white, yellow, red, purple and black, with white, yellow and purple maize being the basic colours. The purple gene of a purple-white cross naturally becomes purple if it "beats" the white gene, and vice versa, so if the two make a tie, we see white and purple maize. Purple can turn into red and black maize, or as we often say, "red is purple and black is purple".

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