If you want winter dates to be good in the coming year, how to fertilize them after harvesting?

Postharvest fertilizer was applied within 5 to 10 days after fruit harvesting, mainly biological bacterial fertilizer, high-quality organic fertilizer, nitrogen, phosphorus and potassium complete fertilizer and high-efficiency phosphorus and potassium fertilizer, and medium and trace element fertilizers were added.

After all the fertilizer is fully stirred and mixed evenly, around the drip line of the canopy, dig a shallow annular ditch with a depth and width of 25 30 cm, or dig 4 6 radial shallow ditches with a depth of 15 20 cm, a width of 25 30 cm and a length of 80 100 cm on the tree tray under the canopy, and evenly sprinkle and drag the fertilizer in the annular shallow ditch or radial shallow ditch, and cover the soil. If the weather is dry after fertilization, it is necessary to apply 50 60 kg of water or manure or biogas slurry to each tree, and evenly apply it to the soil covering the annular shallow ditch or radial shallow ditch, so that the water completely penetrates into the soil and does not flow out, so as to promote the dissolution and transformation of fertilizer, the absorption and utilization of the root system, improve the effect of postharvest fertilization, and enhance the drought resistance of the plant.

After harvesting, fertilizer should be applied as soon as possible before the snow falls, so that the fertility of the soil will be more sufficient, and it will grow very well in the second year.

Summary. Hello, after the winter jujube is picked, the jujube should be withdrawn, that is, the jujube should be collected to a certain place, and then applied to the jujube tree using ground microfertilizer, such as phosphate fertilizer, iron fertilizer, compound fertilizer, etc.

Hello, after the winter jujube is picked, the jujube should be withdrawn, that is, the jujube should be collected to a certain place, and then applied to the jujube tree using ground microfertilizer, such as phosphate fertilizer, iron fertilizer, compound fertilizer, etc.

In order to improve the cold resistance of jujube trees, it is recommended to apply amino acid fertilizers and salt fertilizers, which can promote the vitality and root development of jujube trees, which is conducive to their cold resistance and fullness of tree shape, and increase yield. In addition, the winter jujube tree also needs to give sufficient water to maintain the normal operation of root metabolism. Therefore, jujube trees should be compensated with water compensation fertilizer or distilled water, and after picking, an appropriate amount of liquid liquid fertilizer can also be applied to jujube trees in order to supplement the plant's water, nitrogen, phosphorus, potassium, calcium, sulfur and other nutrients and trace elements to ensure normal growth and development.

Winter jujube is a cultivar of jujube tree, a late-maturing and excellent variety of jujube tree, and a good quality fresh jujube variety. Winter jujube is a fruit tree that consumes more nutrients, so the fertilizer for winter jujube needs to be divided into basal fertilizer. Top dressing, foliar spraying, etc.

Winter jujube fertilizer is further divided into:

1. Organic fertilizer: organic fertilizer is divided into plant-derived organic fertilizer (well-rotted plant straw), animal-derived organic fertilizer (well-rotted livestock manure) and biological bacterial fertilizer, humic acid fertilizer.

2. Inorganic fertilizer: refers to chemical compound, nitrogen fertilizer, phosphate fertilizer, and potassium fertilizer.

3. Micro-fertilizer: including iron, zinc, manganese, boron, calcium, molybdenum, etc.

1. Basal fertilizer, apply basal fertilizer, biological fertilizer or organic fertilizer in time after winter jujube picking, accumulate nutrients through photosynthesis, which is conducive to the differentiation of flower buds and leaf growth in spring next year, (all nutrients from germination to flowering of winter jujube trees come from the accumulation of nutrients in the previous year), so it is very important to apply basal fertilizer in autumn.

2. Top dressing in the germination period, if there is no autumn basal fertilizer, it can be applied together, 2 kg of nitrogen, phosphorus and potassium 15% potassium sulfate compound fertilizer plus an appropriate amount of medium and trace element fertilizer (single plant) fertilization method can be carried out by ditching fertilization or hole application, and watering in time after fertilization.

3. Foliar top dressing, spraying with amino acid foliar fertilizer in the early stage of flowering (to promote flower bud differentiation), combining with nail opening during flowering, spraying gibberellin with sodium octaborate or chelating boron (flowering to promote flower tube elongation and improve fruit setting rate) Liquid silicon-calcium fertilizer is applied underground at the young fruit stage, and calcium silica fertilizer is sprayed on the leaves to promote the growth of the cell wall and prevent fruit cracking, and foliar spraying is applied 2 or 3 times. From the white ripening period to the veraison stage, the roots were irrigated with high potassium fertilizer under the tree, and the leaves were sprayed with high potassium fertilizer (to improve the coloring of the fruit and the conversion of sugar), and the leaves were sprayed 2 or 3 times.

The fertilization of winter jujube trees is divided into basal fertilizer and top dressing: 1. Basal fertilizer. Before the fruit is harvested, its purpose is to increase the storage nutrition of the tree body, so as to meet the needs of germination, flower bud differentiation, flowering and fruit setting in the following year. 2. Top dressing.

1) Top dressing before germination: generally carried out in early April, each plant chases "Tianji" brand phosphorus and potassium nitrate fertilizer. (2) Top dressing at fruit setting stage:

Generally carried out in early June, each plant chases the "Tianji" brand phosphorus and potassium nitrate fertilizer. (3) Top dressing during fruit expansion period: generally carried out in mid to early August, each plant chases kilograms of nitrate phosphorus fertilizer of "Tianji" brand.

In addition, from mid-to-late April to mid-August, potassium dihydrogen phosphate can be applied 2-3 times.

Spring planting is generally carried out from late March to mid-April, but the survival rate of late planting (germination stage) is high, and the phenomenon of lost buds and back buds is less, and the growth potential is strong. Choose.

The first and second grade high-quality jujube seedlings require strong and full branches, dry height of more than meters, ground diameter of more than centimeters, full of buds, no quarantine of pests and diseases, well-developed root system, at least 3 5 lateral roots about 20 cm long, and the aboveground part of the seedling and the root system are fresh without water loss and drainage.

The planting distance between pure jujube orchards is generally 3 meters, and the row spacing is 5 meters; Jujube grain intercropping jujube orchards generally have a plant spacing of 3 meters and a row spacing of 15 to 20 meters.

Planting techniques: 1) Digging planting holes. Dig a planting hole with a length, width and depth of 60 to 80 cm, and apply farmhouse fertilizer mixed with the topsoil at the bottom of the hole.

2) Preparation before colonization. Before planting, the secondary branches of the seedlings were pruned, and the roots of the seedlings were soaked in water for 12 24 hours, and then soaked in No. 3 ABT rooting powder solution with a concentration of 50 ppm for 1 hour or the roots were dipped in mud.

3) Planting. When planting, the seedlings are put into the planting hole, the root system is evenly dispersed in layers, and the fertile topsoil is filled in the rhizosphere when filling the soil, and the core soil is cultivated in the upper layer. The soil should be filled in layers, fill a layer and a solid layer, and gently lift the jujube seedlings before stepping on it, so that the root system can be stretched and the soil is densely connected.

After planting, watering should be thoroughly watered, and a new high-fat film should be sprayed on the seedling body and the ground at the same time to protect moisture and prevent soil layer compaction, so as to prevent the water on the ground from evaporating, and the moisture of the seedling body from transpiring, isolate pests and diseases, shorten the seedling period, quickly adapt to the new environment, and improve the survival rate of jujube seedlings, which is conducive to the vigorous growth of jujube seedlings.

6.Post-planting management.

1) When the planting seedlings are more than rice, they are dried. Plastic pruning is carried out every winter in order to rapidly expand the canopy and form a fruiting tree. After planting, the jujube tree should retain a 1-meter-wide protective belt, and sow crops 1 meter away, so that the jujube tree and the crop each occupy a certain nutrient area and space, so as to prevent the crop and the jujube tree from competing for fertilizer and water.

As the jujube tree grows, the protective belt should also be gradually expanded.

2) Strengthen fertilizer and water management, appropriate irrigation, timely drainage, loosening soil and weeding. At the same time, pay attention to the prevention and control of jujube armyworm, jujube leaf mites, jujube gall mosquitoes, jujube rust and other pests and diseases to ensure the normal growth of young trees.

Since the nutrients absorbed from the soil during the growth and fruiting period of the jujube tree are taken away by the fallen leaves and fruits, and are not returned to the soil, it is necessary to apply fertilizer appropriately every year to keep the fertility of the soil from decreasing.

Jujube trees in the autumn (9-10 months) to apply sheep pen manure, rabbit manure, cow manure, pen manure, manure, human manure, biogas residue and other organic fertilizers (4-5 square meters per mu) plus an appropriate amount of potassium sulfate compound fertilizer (about 100 kg per mu) is the best.

In addition, in the fruit development period (July-August), an appropriate amount of potassium sulfate compound fertilizer should be applied, and the dosage per mu is about 70-80 catties.

According to the law of fertilizer demand of jujube trees, it is best to apply potassium sulfate compound fertilizer with a ratio of nitrogen (N), phosphorus (P2O5) and potassium (K2O) of about 20:10:20.

1. Basal fertilizer, apply basal fertilizer, biological fertilizer or organic fertilizer in time after winter jujube picking, accumulate nutrients through photosynthesis, which is conducive to the differentiation of flower buds and leaf growth in spring next year, (all nutrients from germination to flowering of winter jujube trees come from the accumulation of nutrients in the previous year), so it is very important to apply basal fertilizer in autumn.

2. Top dressing in the germination period, if there is no autumn basal fertilizer, it can be applied together, nitrogen, phosphorus and potassium 15% potassium sulfate compound fertilizer 2 kg plus an appropriate amount of medium and trace element fertilizer per plant) fertilization method can be carried out by ditching fertilization or cavity front or slag application, and watering in time after fertilization.

3. Foliar top dressing, spraying with amino acid foliar fertilizer in the early stage of flowering to promote flower bud differentiation), combined with opening nails during flowering, spraying gibberellin with sodium octaborate or chelating boron during flowering to promote flower tube elongation and improve fruit setting rate) Liquid silica calcium fertilizer is used underground at the young fruit stage, and calcium silica fertilizer is sprayed on the leaves to promote the growth of the cell wall and prevent fruit cracking, and foliar spraying is applied 2 3 times. From the white ripening period to the veraison stage, the roots were irrigated with high potassium fertilizer under the tree, and high potassium fertilizer was sprayed on the leaf mass to improve the coloring of the fruit and improve the conversion of sugar), spraying 2 3 times in a row.

Yes, winter dates can be fertilized during the fruit-setting period. In general, it is a good time to apply fertilization before fruit set, which can make the winter dates grow faster and the fruits are larger and more numerous. When fertilizing, you must pay attention to the amount of fertilizer, so as not to over-fertilize, which will destroy the growth of jujube trees.

The combined fertilization of organic fertilizer and inorganic fertilizer can be used for the fertilization of winter jujube, which can nourish the jujube tree, alleviate the stress of inorganic fertilizer, and produce nutrient balance. Inorganic fertilizer can provide a full set of macroelements for jujube trees, thereby promoting the normal growth and development of jujube trees. When fertilizing, it is best to choose a chemical fertilizer with humus, dig out the soil around the jujube tree, mix it with a humus material close to 1:1 ratio, and mix the humus with the fertilizer of the source, and then stir evenly and bury it in a balanced state outside the ditch of the jujube tree.