CN116616150A - Tree body sprinkling irrigation method for improving mountain macadamia nut yield - Google Patents
Tree body sprinkling irrigation method for improving mountain macadamia nut yield Download PDFInfo
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- CN116616150A CN116616150A CN202310726136.XA CN202310726136A CN116616150A CN 116616150 A CN116616150 A CN 116616150A CN 202310726136 A CN202310726136 A CN 202310726136A CN 116616150 A CN116616150 A CN 116616150A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 57
- 238000003973 irrigation Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 24
- 235000018330 Macadamia integrifolia Nutrition 0.000 title claims description 8
- 240000000912 Macadamia tetraphylla Species 0.000 title claims description 8
- 235000003800 Macadamia tetraphylla Nutrition 0.000 title claims description 8
- 239000007921 spray Substances 0.000 claims abstract description 96
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims abstract description 50
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 40
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 241000208467 Macadamia Species 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 13
- 229910052796 boron Inorganic materials 0.000 claims description 13
- 229910052791 calcium Inorganic materials 0.000 claims description 13
- 239000011575 calcium Substances 0.000 claims description 13
- 229910052749 magnesium Inorganic materials 0.000 claims description 13
- 239000011777 magnesium Substances 0.000 claims description 13
- LVHCMNFBKQKHIH-UHFFFAOYSA-N [Mg].[Ca].[B] Chemical compound [Mg].[Ca].[B] LVHCMNFBKQKHIH-UHFFFAOYSA-N 0.000 claims description 4
- QYHKLBKLFBZGAI-UHFFFAOYSA-N boron magnesium Chemical compound [B].[Mg] QYHKLBKLFBZGAI-UHFFFAOYSA-N 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 230000008119 pollen development Effects 0.000 abstract description 3
- 230000010152 pollination Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 10
- 235000015097 nutrients Nutrition 0.000 description 7
- 239000002420 orchard Substances 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 238000012876 topography Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 235000021022 fresh fruits Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000282553 Macaca Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000005078 fruit development Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002881 soil fertilizer Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a tree body sprinkling irrigation method for improving the yield of mountain macadamia nuts, and belongs to the technical field of fruit tree irrigation. The invention adopts diamond-shaped arrangement of micro spray heads in Australian nut tree bodies, and comprises the following steps: the spray head 1 is arranged at the central trunk and is 30-40 cm higher than the top pin, and the spray head direction is downward; the spray heads 2 and 3 are arranged at 1/4 of the crown width at two sides of the middle part of the tree crown layer, and the spray heads are upwards; the spray head 4 is arranged at a position 30-50 cm above the first round of branches, and the direction of the spray head is downward; and sprinkling irrigation is respectively carried out in the early flowering stage, the full flowering stage, the final flowering stage and the young fruit stage. The invention is based on the problems of quick evaporation and uneven irrigation in tropical areas, the layout of the spray heads is adjusted, and four spray heads can realize the whole coverage of the tree body and even spraying; through the micro-spraying of the tree body, the air temperature is reduced, the air humidity is improved, the macadimia nut is prevented from being damaged by dry heat in the flowering and fruit setting period, the pollen development in the flowering period is promoted, the pollination is carried out, and the fruit setting rate is improved.
Description
Technical Field
The invention belongs to the technical field of fruit tree irrigation, and particularly relates to a tree body sprinkling irrigation method for improving mountain macadimia nut yield.
Background
Macadamia nut is a mountain dragon ophthalmic macadamia the macaque belongs to evergreen arbor fruit trees. In recent years, the macadimia nut industry develops rapidly, the Yunnan is the region with the largest planting area of the macadimia nuts in the world, and according to statistics of agricultural and rural areas and agricultural and reclamation bureaus, the planting area of the macadimia nuts in the last Yunnan province in 2021 reaches 379 ten thousand mu, and the planting area accounts for more than 82% of the whole country and more than 50% of the world.
In Yunnan, the macadimia nut planting area is mainly of mountain land (including hills) landform types, and the macadimia nuts are basically planted in the mountain land, so that a characteristic mountain land planting mode is formed. The rainfall in the mountain planting area of the area is more than 1000mm on average, but the area is unevenly distributed in space and time, drought is serious in winter and spring, the key period of water demand in one year of the macadimia nut is the initial stage of flowering and fruit setting (1-3 months), the swelling period of the fruit (4-7 months) and the autumn (9-11 months), the flower device of the macadimia nut has no wax and horny layer, the dry and hot climatic environment in the flowering period is easy to cause huge evaporation loss of plants, the water loss wilting is difficult to complete the fertilization process, the phenomenon of full tree flowers and sporadic fruits is caused, the fruit setting rate is reduced, meanwhile, the mountain water source is difficult to store, the water and labor are consumed, the humidification and cooling effects on the tree body are poor, and the water utilization rate is low in a traditional irrigation mode.
The macadamia nuts are mainly planted in hills, the unique planting environment causes great difficulty in managing the orchards, and the innovation of an irrigation mode is urgent by combining the embarrassment of the current hillside orchard management mode.
Disclosure of Invention
Therefore, the invention aims to provide a tree body sprinkling irrigation method for improving the yield of mountain macadamia nuts, the positions of the sprinkling nozzles are adjusted to realize the whole coverage of the tree body, the air humidity is improved, the air temperature is reduced, the dry and hot hazard is prevented, the growth of fruits and young fruits is promoted, and the functions of stable yield and high yield are realized.
In order to achieve the above object, the present invention provides the following technical solutions:
a tree body sprinkling irrigation method for improving mountain macadimia nut yield adopts diamond-shaped arrangement of micro-spray heads in a macadimia nut tree body, comprising: the spray head 1 is arranged at the central trunk and is 30-40 cm higher than the top pin, and the spray head direction is downward; the spray heads 2 and 3 are arranged at 1/4 of the crown width at two sides of the middle part of the tree crown layer, and the spray heads are upwards; the spray head 4 is arranged at a position 30-50 cm above the first round of branches, and the direction of the spray head is downward;
sprinkling irrigation is carried out in the primary flowering phase, the full flowering phase, the final flowering phase and the young fruit phase respectively; the initial flowering stage is carried out together with spraying of calcium-magnesium-boron element water solution, wherein the calcium content in the water solution is 900-1100 ppm, the magnesium content is 0.18-0.22%, and the boron content is 0.01-0.03%.
Preferably, the primary flowering phase, the full flowering phase, the final flowering phase and the young fruit phase are sprayed for 1 time every 2-4 days, and each time is sprayed for 20-40 min.
Preferably, the initial flowering stage is sprayed with Shi Hangai magnesium boron element water solution, and the spraying is carried out for 1 time every 7 to 12 days for 3 to 4 times, and each time is sprayed for 20 to 40 minutes
Preferably, the flow rate of the spray head is 12-20L/h.
Preferably, the sprinkling irrigation is performed in the morning.
Preferably, the sprinkling irrigation adopts self-pressure sprinkling irrigation or pressurizing measures for sprinkling irrigation.
Preferably, the macadamia nut has a tree age of six years or more.
Preferably, the mountain winter and spring season is serious in drought, and tree body sprinkling irrigation can effectively reduce the temperature of the tree body and improve the humidity.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a tree body sprinkling irrigation method for improving the yield of mountain macadamia nuts, which can add a low-price spray head pipeline on the basis of the original irrigation facilities of an orchard, is simple to operate, has low cost and can be widely used for mountain orchard management.
The invention is based on the problems of quick evaporation and uneven irrigation in tropical areas, the layout of the spray heads is adjusted, and four spray heads can realize the whole coverage of the tree body and even spraying. Through the micro-spraying of the tree body, the air temperature is reduced, the air humidity is improved, the macadimia nut is prevented from being damaged by dry heat in the flowering and fruit setting period, the pollen development and pollination in the flowering period are promoted, and the fruit setting rate is improved; spraying the aqueous solution of calcium, magnesium and boron nutrient elements in the early flowering stage promotes the distribution and operation of carbohydrates formed by fruit retention and photosynthesis in the fruit trees, is beneficial to the development of young fruits and ensures the high and stable yield of the orchard.
The integrated irrigation mode of fertilizer and water realizes the coupling of partial fertilizer and water, and simultaneously, the water and fertilizer are sprayed through micro-spray irrigation facilities, so that the method for producing the soil fertilizer in the traditional way is changed, the micro-spray is uniform, and the problem of uneven fruit development caused by uneven fertilizer application is solved.
Drawings
Fig. 1: the distribution diagram of spray nozzles for the spray irrigation of the mountain Australian nut tree body is shown in the invention;
in the figure: 1 spray head 1,2 spray head 2,3 spray head 3,4 spray head 4,5 first round branch department, 6 water pipeline.
Detailed Description
The invention provides a tree body sprinkling irrigation method for improving mountain macadamia nut yield, which adopts diamond-shaped micro-spray heads in the macadamia nut tree body, and comprises the following steps: the spray head 1 is arranged at the central trunk and is 30-40 cm higher than the top tip, preferably 30-35 cm, more preferably 35cm, and the spray head direction is downward, preferably right downward; the spray heads 2 and 3 are arranged at 1/4 of the crown width at two sides of the middle part of the tree crown layer, and the spray heads are upward in direction and preferably vertically upward; the spray head 4 is placed 30-50 cm above the first round branch, preferably 40-50 cm, more preferably 40cm, with the spray head directed downward, preferably directly below, as shown in FIG. 1 (where "E" is the spray head orientation).
The macadimia nut planting area is mainly a tropical area, water is quickly evaporated, the traditional sprinkling irrigation equipment is unevenly sprayed, 4 micro-spray heads are arranged in a tree body according to a rhombus shape, the loss caused by evaporation in the sprinkling process can be reduced in water quantity, and the 4 spray heads can realize full coverage to the tree body and even sprinkling. Preferably, the macadimia nut has a tree age of more than six years, more preferably 6-10 years. The macadimia nut planting land is a mountain land, such as a hilly area, and the advantage of the sprinkling irrigation method is more obvious for the macadimia nuts in the mountain area and the elderly.
The flow rate of the nozzle in the present invention is preferably 12 to 20L/h, more preferably 15L/h. The source of the micro-spray head is not particularly limited, and the micro-spray head can be obtained directly through commercial paths.
The present invention preferably performs sprinkling irrigation in the early flowering phase, the full flowering phase, the final flowering phase and the young fruit phase, respectively. The key period of water demand in one year of the macadimia nut is the initial stage of flowering and fruit setting (1-3 months), the fruit expanding period (4-7 months) and the autumn tip period (9-11 months), and drought in the flowering and fruit setting period is serious, and the four periods are used for sprinkling irrigation, so that the air temperature can be reduced, the air humidity can be improved, the macadimia nut is prevented from being damaged by dry heat in the flowering and fruit setting period, pollen development and pollination in the flowering period are promoted, and the fruit setting rate is improved.
The invention preferably sprays water 1 time every 2-4 days in the primary flowering phase, the full flowering phase, the final flowering phase and the young fruit phase, and sprays water 20-40 min each time, and further preferably sprays water 1 time every 3 days, and sprays water 30min each time.
The invention is preferably used for spraying the calcium-magnesium-boron element water solution together with the initial flowering period, and the calcium, magnesium and boron can promote the distribution and operation of the carbohydrates formed by fruit preservation and photosynthesis in the fruit trees, thereby being beneficial to the development of young fruits and ensuring the high and stable yield of the orchards. The preferred aqueous solution of the invention contains 900-1100 ppm of calcium, 0.18-0.22% of magnesium, 0.01-0.03% of boron, and more preferred 1000ppm of calcium, 0.2% of magnesium and 0.02% of boron. Preferably, the calcium, magnesium and boron element water solution is sprayed for 1 time every 7-12 days for 3-4 times, and is sprayed for 20-40 min every time, further preferably sprayed for 1 time every 10 days for 3 times, and is sprayed for 30min every time, further preferably sprayed in the morning, so that nutrient absorption of fruit trees is facilitated.
The invention preferably adopts self-pressure sprinkling irrigation or pressurizing measure sprinkling irrigation, and further preferably adopts self-pressure sprinkling irrigation when the reservoir topography is higher, and adds a water pump when the reservoir topography is lower, and adopts pressurizing measure sprinkling irrigation.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Unless otherwise specified, the methods used in the present invention are conventional methods, and the equipment and raw materials used are commercially available.
Example 1
A spray irrigation method for macadimia nuts comprises the following specific steps:
in the flowering season and young fruit period of the mountain macadimia nut (8 years), water and nutrients are sprayed in the macadimia nut by adopting diamond-shaped micro-spray heads.
The spray heads are arranged according to the diamond shape, the spray heads are conventional micro spray heads, and the flow rate of the spray heads is 15L/h. The spray head 1 is arranged at the position of the central trunk, which is 30cm higher than the top pin, and is directly below the spraying direction; the spray heads 2 and 3 are arranged on two sides of the middle part of the tree crown layer, 1/4 of the crown width is arranged, and the spraying direction is vertically upwards; the spray head 4 is arranged at a position 50cm above the first round of branching and is directly below the spraying direction. The water reservoir is high in topography, no additional water pump is needed for pressurization, and self-pressure spray irrigation is adopted.
Sprinkling irrigation is carried out 1 time every 3 days in the initial flowering period, the full flowering period, the final flowering period and the young fruit period, each time is 30 minutes, and the sprinkling time is morning;
in addition, the water solution of nutrient elements including calcium, magnesium and boron is sprayed in the initial flowering stage, wherein the content of the calcium is 1000ppm, the content of the magnesium is 0.2%, the content of the boron is 0.02%, and the spray is carried out for 1 time every 10 days, and the spray is carried out for 3 times every 30 minutes.
Example 2
A spray irrigation method for macadimia nuts comprises the following specific steps:
in the flowering season and young fruit period of the mountain macadimia nut (6 years), water and nutrients are sprayed in the macadimia nut by adopting diamond-shaped micro-spray heads.
The spray heads are arranged according to the diamond shape, the spray heads are all conventional micro spray heads, and the flow rate of the spray heads is 20L/h. The spray head 1 is arranged at the position of the central trunk, which is 35cm higher than the top pin, and is directly below the spraying direction; the spray heads 2 and 3 are arranged on two sides of the middle part of the tree crown layer, 1/4 of the crown width is arranged, and the spraying direction is vertically upwards; the spray head 4 is arranged at a position 40cm above the first round of branches, and is directly below the spraying direction. The water reservoir is high in topography, no additional water pump is needed for pressurization, and self-pressure spray irrigation is adopted.
Sprinkling irrigation is carried out 1 time every 2 days in the initial flowering period, the full flowering period, the final flowering period and the young fruit period, each time lasts for 20 minutes, and the sprinkling time is morning;
in addition, the water solution of nutrient elements including calcium, magnesium and boron is sprayed in the initial flowering stage, wherein the content of the calcium is 1100ppm, the content of the magnesium is 0.22%, the content of the boron is 0.03%, and the spray is carried out for 1 time every 7 days, and the spray is carried out for 4 times every 20 minutes.
Example 3
A spray irrigation method for macadimia nuts comprises the following specific steps:
in the flowering season and young fruit period of the mountain macadimia nut (10 years), water and nutrients are sprayed in the macadimia nut by adopting diamond-shaped micro-spray heads.
The spray heads are arranged according to the diamond shape, the spray heads are all conventional micro spray heads, and the flow rate of the spray heads is 12L/h. The spray head 1 is arranged at the position of the central trunk, which is 40cm higher than the top pin, and is directly below the spraying direction; the spray heads 2 and 3 are arranged on two sides of the middle part of the tree crown layer, 1/4 of the crown width is arranged, and the spraying direction is vertically upwards; the spray head 4 is arranged at a position 30cm above the first round of branches, and is directly below the spraying direction. The reservoir is low in topography, a water pump is additionally arranged for pressurizing, and pressurizing measures are adopted for sprinkling irrigation.
Sprinkling irrigation is carried out 1 time every 4 days in the initial flowering period, the full flowering period, the final flowering period and the young fruit period, 40 minutes each time, and the sprinkling time is morning;
in addition, the water solution of nutrient elements including calcium, magnesium and boron is sprayed in the initial flowering stage, wherein the content of calcium is 900ppm, the content of magnesium is 0.18%, the content of boron is 0.01%, and the spray is carried out for 1 time every 12 days, and the spray is carried out for 3 times every 40 minutes.
Example 4
Australian nut spray irrigation tests were conducted at three places of Australian nut germplasm resource nursery, the Australian nut company limited in Yunnan Disi corporation, located in the mountain area of lotus flowers in Yingjiang county, and the national institute of Tropical crop science in Yunnan province.
The variety is' Australian nut O.C. ", and the tree age is 8-10 years. 3 trees with similar ages and growth conditions are selected from each test site, and are repeated for 3 times, managed according to the sprinkling irrigation mode of the embodiment 1, and conventionally managed by a control group (overground sprinkling irrigation).
After the macadimia nut is ripe, the fruits are harvested and weighed. The results are shown in Table 1:
TABLE 1 production and statistical analysis (kg/plant) of fresh fruits of macadimia nut individual plants under different spray irrigation measures
Compared with the conventional underground sprinkling irrigation management, the average temperature in the mountain Australian nut tree body is reduced by 0.03-0.86 ℃ and the relative humidity is increased by 1.1-2.03%. According to Table 1, compared with the conventional management group, the yield of the single plant fresh fruit of the three base diamond-shaped spray irrigation groups is obviously improved by 24.72%, 26.26% and 27.83% respectively. It can be seen that the measures of micro-spraying in the tree body for cooling, moisturizing and promoting fruit setting are adopted, and meanwhile, the calcium-magnesium-boron fertilizer is sprayed for fruit preservation, so that the expected effect can be achieved.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The tree body sprinkling irrigation method for improving the yield of the mountain macadamia nuts is characterized in that diamond-shaped micro-spray heads are arranged in the macadamia tree body, and the tree body sprinkling irrigation method comprises the following steps: the spray head 1 is arranged at the central trunk and is 30-40 cm higher than the top pin, and the spray head direction is downward; the spray heads 2 and 3 are arranged at 1/4 of the crown width at two sides of the middle part of the tree crown layer, and the spray heads are upwards; the spray head 4 is arranged at a position 30-50 cm above the first round of branches, and the direction of the spray head is downward;
sprinkling irrigation is carried out in the primary flowering phase, the full flowering phase, the final flowering phase and the young fruit phase respectively; the initial flowering stage is carried out together with spraying of calcium-magnesium-boron element water solution, wherein the calcium content in the water solution is 900-1100 ppm, the magnesium content is 0.18-0.22%, and the boron content is 0.01-0.03%.
2. The method for sprinkler irrigation of a tree body for improving yield of macadamia nuts in mountain areas as claimed in claim 1, wherein the initial, full, final and young flowering period are sprinkler-irrigated 1 time every 2 to 4 days for 20 to 40 minutes.
3. The tree body spray irrigation method for improving the yield of the mountain macadamia nut as claimed in claim 1, wherein the initial flowering period is to spray Shi Hangai magnesium boron element water solution for 1 time every 7-12 days, and the spray irrigation is continued for 3-4 times, and each time is performed for 20-40 min.
4. The tree spray irrigation method for improving the yield of mountain macadamia nuts as claimed in claim 1, wherein the flow rate of the spray head is 12-20L/h.
5. The method of claim 1, wherein the sprinkling is performed in the morning.
6. The method for improving the yield of macadamia nuts in mountain areas as claimed in claim 1, wherein said sprinkling is performed by self-pressure sprinkling or pressurizing.
7. The method of claim 1, wherein the macadamia nut tree is six years old or more.
8. The tree body spray irrigation method for improving the yield of the mountain macadamia nuts, which is characterized in that the mountain winter and spring season drought is serious, and the tree body spray irrigation can effectively reduce the temperature of the tree body and improve the humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310726136.XA CN116616150A (en) | 2023-06-19 | 2023-06-19 | Tree body sprinkling irrigation method for improving mountain macadamia nut yield |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310726136.XA CN116616150A (en) | 2023-06-19 | 2023-06-19 | Tree body sprinkling irrigation method for improving mountain macadamia nut yield |
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| CN116616150A true CN116616150A (en) | 2023-08-22 |
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|---|---|---|---|
| CN202310726136.XA Pending CN116616150A (en) | 2023-06-19 | 2023-06-19 | Tree body sprinkling irrigation method for improving mountain macadamia nut yield |
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- 2023-06-19 CN CN202310726136.XA patent/CN116616150A/en active Pending
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