CN110915397A - Straw compression block for dry farming jujube garden and fertilizing method thereof - Google Patents
Straw compression block for dry farming jujube garden and fertilizing method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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Abstract
The invention discloses a straw compression block for a dry farming jujube garden and a fertilizing method thereof, comprising the following steps: preparing a straw compressed fertilizer block with a hollow hole 3-5 in the middle; preparing a straw rainwater collector; selecting 2-4 points below the crown of the peripheral crown of the jujube tree in the middle of 10 months or 4 months in the middle of 4 months of spring every year, and digging pits by using a pit digging device; putting the straw compressed fertilizer blocks into the pits, putting 2-3 blocks in each pit, mounting a rainwater collector on the straw compressed fertilizer blocks, dissolving the formula fertilizer with 20-30 kg of water when the jujube trees are subjected to topdressing according to the requirements of different phenological periods, and then introducing the formula fertilizer into an underground soil layer through a channel of a hollow hole in the middle of the straw compressed fertilizer blocks; the invention realizes the innovative utilization of the straws and can improve the utilization rate of fertilizer and water in arid and semi-arid areas, particularly in rain-fed agricultural areas.
Description
Technical Field
The invention relates to a straw compression block for a dry farming jujube garden and a fertilizing method thereof, belonging to the technical field of straw treatment and utilization methods.
Background
The soil impoverishment of cultivated land in China is serious. The low content of organic matters is a main factor for restricting the fruit quality in China, and meanwhile, the organic matters in the orchard soil not only reach the lowest historical point, but also approach an ecological 'warning line'. Even more alarming is the declining trend of arable land organic matter at 0.05 percentage points per year. In the development of fruit tree industry, land cultivation is insist on improving soil quality, which has important significance for improving product quality and realizing supply-side reform.
Red date cultivation areas on two sides of the northern yellow river are mostly rain farming areas, particularly gully areas of residual walls, not only the organic matter content of soil is low, but also the distribution of rainfall seasons is uneven, and the red date cultivation areas are often expressed as 'nineteen drought' in ten years during the period of water demand of plants. The quality and the efficiency of the economic forest can be improved and increased only by fully utilizing natural rainfall without loss and storage. Due to the fact that the fertilizing work of the jujube orchard is neglected for a long time in recent years, the organic matter content of soil of the jujube orchard is reduced, the utilization rate of rainwater is low, the quality of jujube fruits is reduced, and phenomena of fruit cracking, fruit disease and the like are frequent.
For a long time, the straw burning is a big public hazard, governments at all levels are forbidden to go out, primary governments strengthen the inspection force to strictly prevent death and guard, but the burning phenomenon still happens occasionally, and the environment is seriously polluted. Therefore, the burning of the straw becomes the pain of the government and common people every autumn harvest. The straw burning not only causes a great deal of waste of biological resources, but also aggravates non-point source pollution in rural areas. The treatment and reutilization of the prepared straws can not only solve the problem of environmental pollution caused by the straws, but also realize biological environment-friendly utilization, protect rural ecology and realize healthy and sustainable development of industry.
The straw utilization method is characterized in that straw returning is adopted, crop straw returning is used for supplementing and balancing soil nutrients, and straw returning is the largest problem that the straw returning is difficult to plough into soil, and other problems can be caused in straws in furrows, such as mulching film scratching and root system growth inhibition, even if the straws are successfully ploughed into the soil, the method is not favorable for improving the organic matter yield of farmland soil, ④, light industry and textile raw materials, such as straw boards, the processing amount is small at present, the utilization rate is not high, the straw is used as an edible fungus base material, and the straw utilization technology is a food-related technology, and the straw utilization technology is used for producing oyster mushrooms, coprinus comatus, mushrooms and the like at present and has relatively high requirements for cultivating wheat mushrooms.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the straw compression block for the dry farming jujube garden and the fertilizing method thereof, which realize the innovative utilization of the straw and can improve the fertilizer-water utilization rate of arid and semi-arid areas, particularly rain-fed agricultural areas.
The invention is realized by the following technical scheme:
a straw compression block fertilization method for a dry farming jujube garden comprises the following steps:
firstly, preparing a straw compressed fertilizer block, wherein the straw fertilizer block is a straw compressed fertilizer block with a hollow hole in the middle part of the straw compressed fertilizer block 3-5;
secondly, preparing a straw rainwater collector, wherein one end of the straw rainwater collector is provided with a large opening, and the other end of the straw rainwater collector is provided with a small opening;
thirdly, selecting 2-4 points below the peripheral crown of the jujube tree in the middle ten days of 10 months or 4 months in the middle and late days of 4 months every year, and digging pits by using a pit digging device;
fourthly, vertically placing the straw compressed fertilizer blocks into pits, wherein 2-3 blocks are placed in each pit, the hollow holes of two adjacent straw compressed blocks are basically aligned, and the uppermost block is 10-15 cm (preferably 10 cm) lower than the ground; a rainwater collector is arranged above the pit, the large opening is upward, the small opening is opposite to the straw compressed fertilizer block, soil is used for filling the joint of the pit, and the straw rainwater collector is level to the ground surface; after the straw compressed fertilizer blocks are punched and applied in the next year, the incompletely damaged straw rainwater collector which has the rainwater collecting effect in the previous year can be moved for use.
And fifthly, fertilizing, namely dissolving the formula fertilizer with 20-30 kg of water and then leading the dissolved formula fertilizer into an underground soil layer through a channel of a hollow hole in the middle of a straw compressed fertilizer block when the additional fertilizer is applied to the jujube trees according to the requirements of different phenological periods.
Preferably, the straw compressed fertilizer block is a cylinder or a cuboid with the diameter of 15-18 cm and the height of 12-15 cm; the straw compressed fertilizer block is further preferably: the diameter is 15 cm-16 cm, and the height is 12 cm-13 cm.
Preferably, the preparation raw materials of the straw compressed fertilizer block comprise the following components in parts by weight: 50-70% of crushed straw, 20-30% of clay and 10-20% of mineral source fertilizer.
Further preferably, the preparation raw materials of the straw compressed fertilizer block comprise the following components in parts by weight: 60% of crushed straw, 25% of clay and 15% of mineral source fertilizer.
Preferably, the rainwater collector is formed by compressing the following raw materials in parts by weight: 80-85% of straw and 15-20% of bentonite.
Preferably, the straw rainwater collector is in a bamboo hat shape, the diameter of a large opening is more than 50cm, a tip part is provided with a small opening, and the diameter of the small opening is 15-16 cm.
Preferably, the depth of the pit in the third step is 40-50cm, and the diameter is 15-20 cm. Generally, the depth and the diameter of the pit are suitable for placing the straw compressed fertilizer blocks, and the position for punching in the next year is moved outwards or translated by 20-40 cm.
Preferably, the pits in the third step can also be fish scale pits, the length of each fish scale pit is 1.2-1.5m, the width of each fish scale pit is 0.8-1.2m, the pit depth is 40-50cm, and the application point of the straw compressed fertilizer block is in the deepest part of each fish scale pit.
A straw compression block for a dry farming jujube garden is a cylinder or a cuboid with the diameter of 15-18 cm and the height of 12-15 cm, and the middle part of the straw compression block is provided with a 3-5 hollow hole; the preparation raw materials comprise the following components in parts by weight: 50-70% of crushed straw, 20-30% of clay and 10-20% of mineral source fertilizer.
Preferably, the mineral source fertilizer comprises one or more of fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock and potassium feldspar.
Preparing a formula fertilizer according to the soil test result and the nutrition required by the jujube tree body in each phenological period, wherein the factors of needing a nitrogen fertilizer before the jujube tree flowers, needing an NPK balanced fertilizer in the fruit setting period, needing more phosphorus-potassium fertilizer in the later fruit expansion period and the like are considered; when the jujube trees are topdressed according to the requirements of different phenological periods, the fertilizer in the corresponding formula is dissolved by 20-30 kg of water, and then is guided into a soil layer with the depth of 50cm underground through a hollow channel in the middle of a straw compressed fertilizer block, and the fertilizer and the water are all guided into the ground as far as possible. The straw compressed fertilizer block can guide water and fertilizer into the ground by less than 50cm, so that the rapid evaporation of water is prevented, the water and the fertilizer are enriched near the fertilizer application point, the root system grows densely, and the utilization rate of the applied fertilizer is high.
If not using rainwater collector, also can utilize modes such as fish scale hole, tree tray ridging, ground cloth cover to carry out rainwater collection, the rainwater of collecting just is oozed the enrichment to the underground below 40cm by straw compression fertilizer piece guide infiltration, can prevent its rapid evaporation, can let root system make full use of, can fully improve the water resource utilization ratio of rainfall.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the straw can be fully utilized to a great extent by a new fertilization mode of a straw compressed fertilizer block fertilization technology according to a local fertilization theory, and the problems of poor soil fertility preservation capability and limited nutrient supply capability of the area can be solved; the problem of coupling of natural rainfall and the key period of water demand of the tree body and the problem of space-time dislocation of the rainfall can be solved.
According to the dry farming technical principle of storing fertilizer water in holes, straws and mineral fertilizer are connected by using a binder and compressed into a moulded coal-shaped straw compressed fertilizer block, the original method for directly filling materials such as straws is replaced, the straw utilization is realized through innovative utilization, meanwhile, the straws are compressed to form a rainwater collector, and rainwater collection is realized. The straw compression block fertilization technology integrates the traditional organic dry farming technologies such as rainwater flow collection, deep organic fertilizer application, fixed-point fertilization, formula fertilization and the like, and forms a new fertilization mode, namely the straw compression block fertilization technology which can be used for a dry farming jujube garden. The technology takes a local optimization fertilization theory as guidance, integrates the advantages of technologies such as dry land pit fertilizer water storage, rain water preservation, deep organic fertilizer application, formula fertilization and the like, is matched with technologies such as tree disk ridging, ground fabric covering, under-crown ditching, inter-row grass growing and the like, and can form a buffer delay reservoir and a fertilizer storehouse which have the characteristic of local enrichment treatment of organic fertilizer and can solve the problem of rainwater time-space dislocation after being used in the root area of a tree body, thereby realizing the optimization of fertilizer supply and water supply for the tree body and the regulation of the growth of the tree body.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
In the figure, 1-straw compression is fast, 2-straw rainwater collector, 3-pit and 4-hollow hole.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the scope of the present invention is not limited to these examples, and all changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.
Example 1
A jujube tree straw compressed block fertilizing method comprises the following steps:
firstly, preparing a straw compressed fertilizer block, namely adding water into crushed straw (60%), clay (25%) and mineral source fertilizer (15%) to mix, then compressing the mixture into blocks by using a briquette machine, and forming a cylinder or cuboid with the diameter of 15-16cm and the height of 12-13 cm after air drying, wherein the finished product is the straw compressed fertilizer block with a hole 3-5 in the middle. The mineral source fertilizer comprises fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock, potassium feldspar and the like, and the fulvic acid has the unique effects of small molecular weight, high active gene, soil improvement, ground temperature improvement, root system development promotion, effective soil pH value regulation and the like. Under the condition of dry climate, the stomata opening degree of crops is reduced, which is commonly called as 'drought resisting No. one'. Mineral source fertilizers such as phosphate rock powder, potassium feldspar, magnesium stone powder and boric sludge can slowly release mineral nutrients such as PKMgP, and the mineral source fertilizers are directly applied to soil, are preferably fixed by the soil with high pH in the north and cannot play a role, are applied together with straws and fulvic acid in blocks, are favorable for forming a local weak acid environment and are favorable for the absorption of the plant root system on the mineral nutrients. More mineral nutrition can be supplied through additional fertilizer in the vigorous tree body fertilizer requiring period, and the straw compressed blocks with fulvic acid can improve the utilization rate of nitrogen, phosphorus and potassium nutrients in the fertilizer by more than 20 percent.
Step two, manufacturing a straw rainwater collector: 80-85% of straws and 15-20% of bentonite are compressed into a bamboo hat shape, the diameter of a large opening is more than 50cm, the diameter of a tip part is provided with a small opening, the diameter of the small opening is 15-16cm, and the straw-shaped water collector is used as a rainwater collector when in use.
The third step: 2-4 points are selected under the peripheral crown of the jujube tree in the middle of 10 months or 4 months in the middle and late of 4 months in autumn every year, a hole digging device is used for digging holes, the depth and the aperture are suitable for placing straw compressed fertilizer blocks, the depth of each hole is 40-50cm, and the aperture is 16 cm. The punching position in the next year can be moved outwards or translated by about 30 cm.
The fourth step: the straw compressed fertilizer blocks are vertically placed in the pits, 2-3 blocks are placed in each pit, the hollow holes of two adjacent straw compressed blocks are basically aligned, the uppermost block is 10-15 centimeters lower than the ground, the uppermost block is preferably 10 centimeters lower than the ground, a rainwater collector is arranged on the upper surface, the large opening faces upwards, and the small opening faces the straw compressed fertilizer blocks. Filling the pit seams with soil, wherein the straw rainwater collector is nearly level with the ground surface; after the straw compressed fertilizer blocks are punched and applied in the next year, the incompletely damaged straw rainwater collector which has the rainwater collecting effect in the previous year can be moved for use.
The straw compression blocks can also be obliquely placed in the pits, the bottom surfaces of 2-3 straw compression blocks in each pit are in contact connection with the top surface, and the hollow holes of the straw compression blocks are aligned with each other.
The fifth step: preparing a formula fertilizer according to the soil test result and the nutrition required by the jujube tree body in each phenological period, wherein the factors of needing a nitrogen fertilizer before the jujube tree flowers, needing an NPK balanced fertilizer in the fruit setting period, needing more phosphorus-potassium fertilizer in the later fruit expansion period and the like are considered; when the jujube trees are topdressed according to the requirements of different phenological periods, the fertilizer in the corresponding formula is dissolved by 20-30 kg of water, and then is guided into a soil layer with the depth of 50cm underground through a hollow channel in the middle of a straw compressed fertilizer block, and the fertilizer and the water are all guided into the ground as far as possible. The straw compressed fertilizer block can guide water and fertilizer into the ground by less than 50cm, so that the rapid evaporation of water is prevented, the water and the fertilizer are enriched near the fertilizer application point, the root system grows densely, and the utilization rate of the applied fertilizer is high.
The fertilizing technology is mainly suitable for jujube gardens in dry farmland areas of rainfed agriculture along yellow two banks.
In addition, if a rainwater collector is not used, rainwater can be collected in the manners of fish scale pits, tree disc ridging, ground cloth covering and the like, collected rainwater is guided by the straw compressed fertilizer blocks to infiltrate and enrich below 40cm underground, rapid evaporation of the collected rainwater can be prevented, root systems can be fully utilized, and the utilization rate of rainfall water resources can be fully improved.
Example 2 fish scale pit:
in the method of example 1, for a hillside-land jujube garden with a slope of about 15 degrees, a fish scale pit can be built without using a rainwater collector, the length and width of the fish scale pit is 1.5m by 1m, the pit depth is 50cm, and the application point of the straw compressed fertilizer block is at the deepest part of the fish scale pit.
Example 3 disk ridging:
in the method of the embodiment 1, for a jujube garden on flat ground, especially a jujube garden which can be irrigated in small quantity by using an external water source such as a dry well, river water and the like, the ridge forming or under-crown ditching of a tree can be carried out, a rainwater collector is not used, and when the irrigation is carried out through the tree disk or the ditching irrigation in dry seasons, limited water is guided into the deep soil by using the water guide of the straw compression fertilizer block, so that the drought resistance of the orchard is improved.
Example 4 tree-disk ridging + ground layout coverage:
in the method of the embodiment 3, for the flat jujube garden in the completely rain-fed agricultural area (without irrigation conditions), the tree can be covered by the ground fabric after ridging, limited rainfall is collected, the limited rainwater is guided to the underground below 40cm by the water guide effect of the straw compressed fertilizer blocks, the evaporation of the moisture is reduced, and the rainwater is fully utilized.
Example 5 orchard grass growth:
for the jujube orchard with better irrigation conditions, after grass is grown in the orchard, soil cultivation is inconvenient to carry out in the fertilization process, soil layers are turned over, the fertilizer deep application at fixed points can be realized by utilizing the straw compression fertilizer block fertilization technology, and the fertilizer is not required to be turned over through soil within 1-2 years. The characteristic of intensive rainfall in autumn every year in the north can be utilized in arid areas, rape planting is carried out after raining in the early 8-9 months, rape varieties with thick root systems are preferably selected, and the planted rape is turned into soil before and after the full-bloom period in the early five months of the second year to be used as organic fertilizer to improve organic matters of orchard soil.
Example 6
A straw compression block for a dry farming jujube garden is a cylinder or a cuboid with the diameter of 15cm and the height of 12cm, and the middle part of the straw compression block is provided with 3 hollow holes; the preparation raw materials comprise the following components in parts by weight: 50% of crushed straw, 30% of clay and 20% of mineral source fertilizer.
The mineral source fertilizer comprises one or more of fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock and potassium feldspar.
Example 7
A straw compression block for a dry farming jujube garden is a cylinder or a cuboid with the diameter of 18cm and the height of 15cm, and the middle part of the straw compression block is provided with a 5-hole; the preparation raw materials comprise the following components in parts by weight: 60% of crushed straw, 25% of clay and 15% of mineral source fertilizer.
The mineral source fertilizer comprises one or more of fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock and potassium feldspar.
Example 8
A straw compression block for a dry farming jujube garden is a cylinder or a cuboid with the diameter of 16cm and the height of 13cm, and the middle part of the straw compression block is provided with 4 hollow holes; the preparation raw materials comprise the following components in parts by weight: 70% of crushed straw, 20% of clay and 10% of mineral source fertilizer.
The mineral source fertilizer comprises one or more of fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock and potassium feldspar.
Example 9
A straw compressed block for a dry farming jujube garden comprises the following components in parts by weight: 65% of crushed straw, 1% of composite microbial inoculum, 24% of clay and 10% of mineral source fertilizer;
the mineral source fertilizer comprises the following raw materials in percentage by weight: 60% of fulvic acid, 3% of MgEDTA, 4% of CaEDTA, 2.5% of FeEDTA2, 0.5% of MnEDTA, 10% of boron mud, 10% of ground phosphate rock and 10% of potassium feldspar.
The composite microbial inoculum comprises the following raw materials in percentage by weight: 40% of cellulase, 25% of xylanase, 10% of lignin decomposing bacteria, 2% of photosynthetic bacteria, 3% of lactic acid bacteria, 3% of saccharomycetes, 2% of bacillus cereus and 15% of white sugar.
After the straws are crushed, uniformly scattering the composite microbial inoculum, adding water and stirring until the water content of the crushed straw pile is 5-10%, adding water and mixing the straws, the clay and the mineral source fertilizer after the microbial inoculum is stirred, and then compressing the mixture into blocks by using a briquette machine.
Example 10
A straw compressed block for a dry farming jujube garden comprises the following components in parts by weight: 70% of crushed straw, 0.3% of composite microbial inoculum, 19.7% of clay and 10% of mineral source fertilizer;
the mineral source fertilizer comprises the following raw materials in percentage by weight: 60% of fulvic acid, 3% of MgEDTA, 4% of CaEDTA, 2.5% of FeEDTA2, 0.5% of MnEDTA, 10% of boron mud, 10% of ground phosphate rock and 10% of potassium feldspar.
The composite microbial inoculum comprises the following raw materials in percentage by weight: 40% of cellulase, 20% of xylanase, 10% of lignin decomposing bacteria, 2% of photosynthetic bacteria, 8% of lactic acid bacteria, 6% of yeast, 4% of bacillus cereus and 10% of white sugar.
After the straws are crushed, uniformly scattering the composite microbial inoculum, adding water and stirring until the water content of the crushed straw pile is 5-10%, adding water and mixing the straws, the clay and the mineral source fertilizer after the microbial inoculum is stirred, and then compressing the mixture into blocks by using a briquette machine.
According to the dry farming technical principle of storing fertilizer water in holes, straws and mineral fertilizer are connected by using a binder and compressed into a molded coal-shaped straw compressed fertilizer block, the original method for directly filling materials such as straws is replaced, the straw utilization is realized, the novel utilization is realized, meanwhile, the rainwater collector is formed by compressing the straws, the rainwater collection is realized, the innovation point of the product is that a slow-release fertilizer source and an efficient utilization environment are constructed in the plant root region of northern alkaline soil by using the straws and the mineral fertilizer, a channel is constructed at the same time, the rainwater is collected and guided to the underground below 40cm, and then the deep application and the point application of liquid fertilizer (additional fertilizer) are realized through the channel. The straw compression block fertilization technology integrates the traditional organic dry farming technologies such as rainwater flow collection, deep organic fertilizer application, fixed-point fertilization, formula fertilization and the like, and forms a new fertilization mode, namely the straw compression block fertilization technology which can be used for a dry farming jujube garden. The technology takes a local optimization fertilization theory as guidance, integrates the advantages of technologies such as dry land pit fertilizer water storage, rain water preservation, deep organic fertilizer application, formula fertilization and the like, is matched with technologies such as tree disk ridging, ground fabric covering, under-crown ditching, inter-row grass growing and the like, and can form a buffer delay reservoir and a fertilizer storehouse which have the characteristic of local enrichment treatment of organic fertilizer and can solve the problem of rainwater time-space dislocation after being used in the root area of a tree body, thereby realizing the optimization of fertilizer supply and water supply for the tree body and the regulation of the growth of the tree body.
The fertilizer block application technology by straw compression can improve the fertilizer-water utilization rate of arid and semi-arid regions, especially rain-fed agricultural regions by more than 20%, can improve the yield of trees by about 15%, and can improve the quality of fruits by more than 10% by applying organic fertilizers. In addition, the straw compression fertilizer block fertilization technology makes full use of the straw, so that the problem of environmental pollution caused by the straw can be solved, biological environment-friendly utilization can be realized, rural ecology is protected, and the healthy and sustainable development of industry is realized.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A straw compression block fertilization method for a dry farming jujube garden is characterized by comprising the following steps:
firstly, preparing a straw compressed fertilizer block, wherein the straw fertilizer block is a straw compressed fertilizer block with a hollow hole in the middle part of the straw compressed fertilizer block 3-5;
secondly, preparing a straw rainwater collector, wherein one end of the straw rainwater collector is provided with a large opening, and the other end of the straw rainwater collector is provided with a small opening;
thirdly, selecting 2-4 points below the peripheral crown of the jujube tree in the middle ten days of 10 months or 4 months in the middle and late days of 4 months every year, and digging pits by using a pit digging device;
fourthly, putting the straw compressed fertilizer blocks into pits, wherein 2-3 blocks are put in each pit, and the uppermost block is 10-15 centimeters lower than the ground; a straw rainwater collector is arranged on the pit, the large opening is upward, the small opening is opposite to the straw compressed fertilizer block, soil is used for filling the joint of the pit, and the straw rainwater collector is level to the ground surface;
and fifthly, fertilizing, namely dissolving the formula fertilizer with 20-30 kg of water and then leading the dissolved formula fertilizer into an underground soil layer through a channel of a hollow hole in the middle of a straw compressed fertilizer block when the additional fertilizer is applied to the jujube trees according to the requirements of different phenological periods.
2. The straw compressed block fertilizing method for the dry farming jujube orchard, according to claim 1, characterized in that the straw compressed fertilizer block is a cylinder or cuboid with a diameter of 15-18 cm and a height of 12-15 cm.
3. The straw compacted cake fertilizing method for the dry farming jujube orchard as claimed in claim 1, wherein the straw compacted cake preparation raw materials comprise the following components in parts by weight: 50-70% of crushed straw, 20-30% of clay and 10-20% of mineral source fertilizer.
4. The straw compressed block fertilizing method for the dry farming jujube orchard as claimed in claim 1, wherein the rainwater collector is formed by compressing the following raw materials in parts by weight: 80-85% of straw and 15-20% of bentonite.
5. The straw compacted block fertilization method for a dry farming jujube garden as claimed in claim 1, wherein the straw rainwater collector is bamboo hat shaped with a large opening diameter of more than 50cm, a tip portion with a small opening diameter of 15-16 cm.
6. The straw compressed block fertilizing method for the dry farming jujube orchard, as claimed in claim 1, wherein in the third step, the depth of the pit is 40-50cm, and the diameter is 15-20 cm.
7. The method for fertilizing the compressed straw blocks for the dry farming jujube orchard as claimed in claim 1, wherein the pits in the third step can also be fish scale pits, the length of each fish scale pit is 1.2-1.5m, the width of each fish scale pit is 0.8-1.2m, the depth of each fish scale pit is 40-50cm, and the compressed straw fertilizer blocks are applied at the deepest positions of the fish scale pits.
8. A straw compression block for a dry farming jujube garden is characterized in that the straw compression fertilizer block is a cylinder or a cuboid with the diameter of 15-18 cm and the height of 12-15 cm, and the middle part of the straw compression fertilizer block is provided with a 3-5 hollow hole; the preparation raw materials comprise the following components in parts by weight: 50-70% of crushed straw, 20-30% of clay and 10-20% of mineral source fertilizer.
9. The compressed straw block for a dry farming jujube orchard according to claim 8, wherein the mineral fertilizer comprises one or more of fulvic acid, magnesium stone powder, boric sludge, ground phosphate rock and potash feldspar.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112586326A (en) * | 2020-12-14 | 2021-04-02 | 烟台市谦益生物科技有限公司 | A layering fertile reservoir for fruit tree |
| CN114051885A (en) * | 2021-11-16 | 2022-02-18 | 新疆维泰开发建设（集团）股份有限公司 | Method for improving survival rate of steep slope tree planting in arid region |
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