Apple Fertilization Technology

Apple's cool and dry, sunny weather conditions. It is generally believed that the average temperature of 12-18 °C during the growth period from April to October is most suitable for the growth of apples, and the average summer temperature is 18-28 °C, which is most suitable for the growth of apples. The rainfall of 540 mm in the growing season is sufficient, but the rainfall in the northern region is uneven, mostly concentrated in July-August, and it is drought in spring, requiring irrigation and adopting conservation measures. The apple is a light-loving tree species, and the light is sufficient, which is conducive to normal growth and results, and is conducive to the improvement of fruit quality. In terms of soil, apples are suitable for sandy loam with deep soil, well-drained, and organic-rich soils. When the soil is poorly ventilated, root growth is hindered. The pH value of the soil is suitable for slightly acidic to neutral, and when the pH is above 7.8, it is prone to lack of green pigment.

Fertility requirements

Apple trees live at an advanced age and require different nutrients for each period. Infancy: Apply enough phosphate fertilizer to promote root growth; early fruit period: If vegetative growth is strong, phosphate fertilizer should be the main, with potassium fertilizer, less nitrogen fertilizer; Fruit period: combined application of nitrogen, phosphorus and potassium; update senescence period : Partial nitrogen fertilizer should be applied.

The dynamics of annual absorption of apple trees are: nitrogen is predominant in the early stage, and potassium is the main component in the middle and later stages. Absorption of phosphorus is relatively stable throughout the year. Therefore, nitrogen fertilizer is the main factor in the early stage, and potash fertilizer is the main component in the middle and later stages. Phosphorus fertilizer is applied with the basal fertilizer to ensure the supply of phosphate fertilizer throughout the year. According to the investigation of an orchard with a yield of more than 5,000 kg per mu, the ratio of N, P and K of the compound fertilizer applied is 2:1:2. Generally, 0.4-0.7 kg of pure nitrogen and 0.2-0.35 kg of phosphorus (P2O5) are required for producing 100 kg of fruit. (K2O) 0.4-0.7 kg. The United States 10 kg.

Fertilization technology

1, fertilization period

The most suitable period for basal application is autumn, that is, after the mid-maturing varieties are harvested, the late-maturing varieties are harvested, followed by defoliation to pre-freeze, and the spring thawing to pre-germination. Autumn basal fertilizer has the following effects: First, to promote root absorption. The soil temperature in the main root mass distribution layer of fruit trees in autumn is more suitable, and the root production is large, and the absorption function is active. After fertilization, it is beneficial to root absorption. The second is to increase photosynthetic efficiency. There is a large temperature difference between day and night in autumn, and the proportion of solar radiation increases. After fertilization, it is beneficial to increase the photosynthetic efficiency of leaves and increase the accumulation of carbohydrates. The third is to facilitate the storage of nutrients. Fertilizers applied in the fall have enough time for the roots to absorb and operate. Long-term experiments have shown that before the spring fertilization in autumn to the next spring bud, the content of starch and nitrogen in apple shoots have been significantly increased (peptide energy nitrogen), the quality of flower buds is good, the fruit set has increased, and the fruit yield and quality have been improved.

Several important fertilization periods in the apple cycle are: pre-emergence dressing; top dressing before flowering; top dressing after flowering; top dressing during fruit enlargement and flower bud differentiation; top dressing during fruit growth; top dressing before and after harvest. Fertilizer application also needs to be treated differently by trees: Weak trees are dominated by new shoots (ie, spring) and autumn; Wangshou no flower tree advocates “two stops” top dressing, that is, spring shoots and autumn shoots are mainly long-term top dressings. Special attention is paid to the "Autumn Stopping" topdressing because it is beneficial to balanced nutrition and eases tree vigor; the results of too many Dainian trees should strengthen the flower bud differentiation period and the autumn top dressing; the result is very few trees should pay attention to the early and fall fertilizer; high yield stability The tree should be mainly in autumn, and it can be supplemented before and after germination (or before and after flowering), flower bud differentiation, and fruit enlargement.

2, the amount of fertilizer

The general principle for determining the amount of fertilizers is: young trees are lower than mature trees, and the trees in the unfruitful or early fruiting period are lower than those in the full fruit period. The basal fertilizer mainly consists of organic fertilizers, supplemented by chemical fertilizers, typically 3500-3900 kg of organic fertilizer per mu, and 40-50 kg of 45% (15-15-15) of fruit tree-specific fertilizer. The top-dressing fertilizer is mainly high-nitrogen compound fertilizer (30-10-11), 0.5-1.0 kg per plant for adult trees, and 45% potassium sulfate compound fertilizer (15-15-15) or high for strong fruit fertilizers. Potassium compound fertilizer (17-6-22), generally 0.5-1.0 kg per plant.

3, fertilization method

The annular groove is suitable for saplings. It is generally excavated at 20-30 cm along the canopy and is 40-50 cm deep and 50-60 cm deep, with a ratio of 1:3 and organic manure. The compound fertilizer is mixed and filled in. With the expansion of the crown, the annular groove expands outwards year by year.

The strip-shaped furrows are suitable for close-planting gardens, that is, they are fertilized in rows or between trees or in rows and valleys. The grooves are wide and deep (the same as fertilization in the annular furrows).

The radial groove was excavated from a distance of 50 cm to a radial groove. The internal groove was narrower and shallower (about 20 cm deep and 20 cm wide). The edge of the crown was wider and deeper (approximately 40 cm deep, 40 Cm wide), 3-6 points per plant, depending on the size of the tree. Then, organic fertilizer, crushed straw, and soil (preferably sand filled with some clay, clay field filled with some sand or gravel) are mixed, and according to the size of the tree, suitable quantified fertilizer can be chased into the ditch.

4, outside the root dressing

Spray 0.5% urea 2-3 times before sprouting. After germination until mid-July: spraying once every 7 days, with a ratio of urea and potassium dihydrogen phosphate two times, at a concentration of 0.3-0.5%; after mid-July, to defoliation: The ratio of potassium hydroxide to urea was sprayed at a concentration of 0.3-0.5%. About 20 days before the fall, spray 0.5% borax + 0.5% urea three times.

Apple's cool and dry, sunny weather conditions. It is generally believed that the average temperature of 12-18 °C during the growth period from April to October is most suitable for the growth of apples, and the average summer temperature is 18-28 °C, which is most suitable for the growth of apples. The rainfall of 540 mm in the growing season is sufficient, but the rainfall in the northern region is uneven, mostly concentrated in July-August, and it is drought in spring, requiring irrigation and adopting conservation measures. The apple is a light-loving tree species, and the light is sufficient, which is conducive to normal growth and results, and is conducive to the improvement of fruit quality. In terms of soil, apples are suitable for sandy loam with deep soil, well-drained, and organic-rich soils. When the soil is poorly ventilated, root growth is hindered. The pH value of the soil is suitable for slightly acidic to neutral, and when the pH is above 7.8, it is prone to lack of green pigment.

Fertility requirements

Apple trees live at an advanced age and require different nutrients for each period. Infancy: Apply enough phosphate fertilizer to promote root growth; early fruit period: If vegetative growth is strong, phosphate fertilizer should be the main, with potassium fertilizer, less nitrogen fertilizer; Fruit period: combined application of nitrogen, phosphorus and potassium; update senescence period : Partial nitrogen fertilizer should be applied.

The dynamics of annual absorption of apple trees are: nitrogen is predominant in the early stage, and potassium is the main component in the middle and later stages. Absorption of phosphorus is relatively stable throughout the year. Therefore, nitrogen fertilizer is the main factor in the early stage, and potash fertilizer is the main component in the middle and later stages. Phosphorus fertilizer is applied with the basal fertilizer to ensure the supply of phosphate fertilizer throughout the year. According to the investigation of an orchard with a yield of more than 5,000 kg per mu, the ratio of N, P and K of the compound fertilizer applied is 2:1:2. Generally, 0.4-0.7 kg of pure nitrogen and 0.2-0.35 kg of phosphorus (P2O5) are required for producing 100 kg of fruit. (K2O) 0.4-0.7 kg. The United States 10 kg.

Fertilization technology

1, fertilization period

The most suitable period for basal application is autumn, that is, after the mid-maturing varieties are harvested, the late-maturing varieties are harvested, followed by defoliation to pre-freeze, and the spring thawing to pre-germination. Autumn basal fertilizer has the following effects: First, to promote root absorption. The soil temperature in the main root mass distribution layer of fruit trees in autumn is more suitable, and the root production is large, and the absorption function is active. After fertilization, it is beneficial to root absorption. The second is to increase photosynthetic efficiency. There is a large temperature difference between day and night in autumn, and the proportion of solar radiation increases. After fertilization, it is beneficial to increase the photosynthetic efficiency of leaves and increase the accumulation of carbohydrates. The third is to facilitate the storage of nutrients. Fertilizers applied in the fall have enough time for the roots to absorb and operate. Long-term experiments have shown that before the spring fertilization in autumn to the next spring bud, the content of starch and nitrogen in apple shoots have been significantly increased (peptide energy nitrogen), the quality of flower buds is good, the fruit set has increased, and the fruit yield and quality have been improved.

Several important fertilization periods in the apple cycle are: pre-emergence dressing; top dressing before flowering; top dressing after flowering; top dressing during fruit enlargement and flower bud differentiation; top dressing during fruit growth; top dressing before and after harvest. Fertilizer application also needs to be treated differently by trees: Weak trees are dominated by new shoots (ie, spring) and autumn; Wangshou no flower tree advocates “two stops” top dressing, that is, spring shoots and autumn shoots are mainly long-term top dressings. Special attention is paid to the "Autumn Stopping" topdressing because it is beneficial to balanced nutrition and eases tree vigor; the results of too many Dainian trees should strengthen the flower bud differentiation period and the autumn top dressing; the result is very few trees should pay attention to the early and fall fertilizer; high yield stability The tree should be mainly in autumn, and it can be supplemented before and after germination (or before and after flowering), flower bud differentiation, and fruit enlargement.

2, the amount of fertilizer

The general principle for determining the amount of fertilizers is: young trees are lower than mature trees, and the trees in the unfruitful or early fruiting period are lower than those in the full fruit period. The basal fertilizer mainly consists of organic fertilizers, supplemented by chemical fertilizers, typically 3500-3900 kg of organic fertilizer per mu, and 40-50 kg of 45% (15-15-15) of fruit tree-specific fertilizer. The top-dressing fertilizer is mainly high-nitrogen compound fertilizer (30-10-11), 0.5-1.0 kg per plant for adult trees, and 45% potassium sulfate compound fertilizer (15-15-15) or high for strong fruit fertilizers. Potassium compound fertilizer (17-6-22), generally 0.5-1.0 kg per plant.

3, fertilization method

The annular groove is suitable for saplings. It is generally excavated at 20-30 cm along the canopy and is 40-50 cm deep and 50-60 cm deep, with a ratio of 1:3 and organic manure. The compound fertilizer is mixed and filled in. With the expansion of the crown, the annular groove expands outwards year by year.

The strip-shaped furrows are suitable for close-planting gardens, that is, they are fertilized in rows or between trees or in rows and valleys. The grooves are wide and deep (the same as fertilization in the annular furrows).

The radial groove was excavated from a distance of 50 cm to a radial groove. The internal groove was narrower and shallower (about 20 cm deep and 20 cm wide). The edge of the crown was wider and deeper (approximately 40 cm deep, 40 Cm wide), 3-6 points per plant, depending on the size of the tree. Then, organic fertilizer, crushed straw, and soil (preferably sand filled with some clay, clay field filled with some sand or gravel) are mixed, and according to the size of the tree, suitable quantified fertilizer can be chased into the ditch.

4, outside the root dressing

Spray 0.5% urea 2-3 times before sprouting. After germination until mid-July: spraying once every 7 days, with a ratio of urea and potassium dihydrogen phosphate two times, at a concentration of 0.3-0.5%; after mid-July, to defoliation: The ratio of potassium hydroxide to urea was sprayed at a concentration of 0.3-0.5%. About 20 days before the fall, spray 0.5% borax + 0.5% urea three times.

Apple's cool and dry, sunny weather conditions. It is generally believed that the average temperature of 12-18 °C during the growth period from April to October is most suitable for the growth of apples, and the average summer temperature is 18-28 °C, which is most suitable for the growth of apples. The rainfall of 540 mm in the growing season is sufficient, but the rainfall in the northern region is uneven, mostly concentrated in July-August, and it is drought in spring, requiring irrigation and adopting conservation measures. The apple is a light-loving tree species, and the light is sufficient, which is conducive to normal growth and results, and is conducive to the improvement of fruit quality. In terms of soil, apples are suitable for sandy loam with deep soil, well-drained, and organic-rich soils. When the soil is poorly ventilated, root growth is hindered. The pH value of the soil is suitable for slightly acidic to neutral, and when the pH is above 7.8, it is prone to lack of green pigment.

Fertility requirements

Apple trees live at an advanced age and require different nutrients for each period. Infancy: Apply enough phosphate fertilizer to promote root growth; early fruit period: If vegetative growth is strong, phosphate fertilizer should be the main, with potassium fertilizer, less nitrogen fertilizer; Fruit period: combined application of nitrogen, phosphorus and potassium; update senescence period : Partial nitrogen fertilizer should be applied.

The dynamics of annual absorption of apple trees are: nitrogen is predominant in the early stage, and potassium is the main component in the middle and later stages. Absorption of phosphorus is relatively stable throughout the year. Therefore, nitrogen fertilizer is the main factor in the early stage, and potash fertilizer is the main component in the middle and later stages. Phosphorus fertilizer is applied with the basal fertilizer to ensure the supply of phosphate fertilizer throughout the year. According to the investigation of an orchard with a yield of more than 5,000 kg per mu, the ratio of N, P and K of the compound fertilizer applied is 2:1:2. Generally, 0.4-0.7 kg of pure nitrogen and 0.2-0.35 kg of phosphorus (P2O5) are required for producing 100 kg of fruit. (K2O) 0.4-0.7 kg. The United States 10 kg.

Fertilization technology

1, fertilization period

The most suitable period for basal application is autumn, that is, after the mid-maturing varieties are harvested, the late-maturing varieties are harvested, followed by defoliation to pre-freeze, and the spring thawing to pre-germination. Autumn basal fertilizer has the following effects: First, to promote root absorption. The soil temperature in the main root mass distribution layer of fruit trees in autumn is more suitable, and the root production is large, and the absorption function is active. After fertilization, it is beneficial to root absorption. The second is to increase photosynthetic efficiency. There is a large temperature difference between day and night in autumn, and the proportion of solar radiation increases. After fertilization, it is beneficial to increase the photosynthetic efficiency of leaves and increase the accumulation of carbohydrates. The third is to facilitate the storage of nutrients. Fertilizers applied in the fall have enough time for the roots to absorb and operate. Long-term experiments have shown that before the spring fertilization in autumn to the next spring bud, the content of starch and nitrogen in apple shoots have been significantly increased (peptide energy nitrogen), the quality of flower buds is good, the fruit set has increased, and the fruit yield and quality have been improved.

Several important fertilization periods in the apple cycle are: pre-emergence dressing; top dressing before flowering; top dressing after flowering; top dressing during fruit enlargement and flower bud differentiation; top dressing during fruit growth; top dressing before and after harvest. Fertilizer application also needs to be treated differently by trees: Weak trees are dominated by new shoots (ie, spring) and autumn; Wangshou no flower tree advocates “two stops” top dressing, that is, spring shoots and autumn shoots are mainly long-term top dressings. Special attention is paid to the "Autumn Stopping" topdressing because it is beneficial to balanced nutrition and eases tree vigor; the results of too many Dainian trees should strengthen the flower bud differentiation period and the autumn top dressing; the result is very few trees should pay attention to the early and fall fertilizer; high yield stability The tree should be mainly in autumn, and it can be supplemented before and after germination (or before and after flowering), flower bud differentiation, and fruit enlargement.

2, the amount of fertilizer

The general principle for determining the amount of fertilizers is: young trees are lower than mature trees, and the trees in the unfruitful or early fruiting period are lower than those in the full fruit period. The basal fertilizer mainly consists of organic fertilizers, supplemented by chemical fertilizers, typically 3500-3900 kg of organic fertilizer per mu, and 40-50 kg of 45% (15-15-15) of fruit tree-specific fertilizer. The top-dressing fertilizer is mainly high-nitrogen compound fertilizer (30-10-11), 0.5-1.0 kg per plant for adult trees, and 45% potassium sulfate compound fertilizer (15-15-15) or high for strong fruit fertilizers. Potassium compound fertilizer (17-6-22), generally 0.5-1.0 kg per plant.

3, fertilization method

The annular groove is suitable for saplings. It is generally excavated at 20-30 cm along the canopy and is 40-50 cm deep and 50-60 cm deep, with a ratio of 1:3 and organic manure. The compound fertilizer is mixed and filled in. With the expansion of the crown, the annular groove expands outwards year by year.

The strip-shaped furrows are suitable for close-planting gardens, that is, they are fertilized in rows or between trees or in rows and valleys. The grooves are wide and deep (the same as fertilization in the annular furrows).

The radial groove was excavated from a distance of 50 cm to a radial groove. The internal groove was narrower and shallower (about 20 cm deep and 20 cm wide). The edge of the crown was wider and deeper (approximately 40 cm deep, 40 Cm wide), 3-6 points per plant, depending on the size of the tree. Then, organic fertilizer, crushed straw, and soil (preferably sand filled with some clay, clay field filled with some sand or gravel) are mixed, and according to the size of the tree, suitable quantified fertilizer can be chased into the ditch.

4, outside the root dressing

Spray 0.5% urea 2-3 times before sprouting. After germination until mid-July: spraying once every 7 days, with a ratio of urea and potassium dihydrogen phosphate two times, at a concentration of 0.3-0.5%; after mid-July, to defoliation: The ratio of potassium hydroxide to urea was sprayed at a concentration of 0.3-0.5%. About 20 days before the fall, spray 0.5% borax + 0.5% urea three times.

1.Nitrile Glove is widely used in Medical surgical ,Medical examination for hospital, Industry ,Electronic ,Foods,homelife etc.

2. Nitrile glove ,there are different col.,blue,purple ,pink ,yellow, white and so on.

3.medical grade and industrial Grade nitrile glove

4.stretch 

5.Free latex ,not allergic

6.good handfeeling

7.finger or all ballast-surfaced

8.ambidiextrous

Nitrile Glove

Nitrile Glove

Nitrile Glove,Cheap Nitrile Gloves,Nitrile Gloves Black,Safety Gloves

Zibo Hongye Shangqin Medical Science and Technology Co.,Ltd. , https://www.vinylgloves.cn