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A kind of method of cultivating evergreen Rhododendron in alkaline soil area

An evergreen rhododendron and soil technology, applied in cultivation, plant cultivation, botanical equipment and methods, etc., can solve problems such as general methods, and achieve the effects of increasing the application range, eliminating re-seepage, and reducing workload

Active Publication Date: 2017-07-21
武汉市林业果树科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chen Shaohua etc. have disclosed the measure (Chen Shaohua et al., " talk about garden acid-alkaline soil improvement method ", " tropical forestry ", 2008, 36 (4): 10-11. The method is relatively general, and a set of practical methods has not been summarized for the characteristics of Rhododendron evergreen subgenus.

Method used

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  • A kind of method of cultivating evergreen Rhododendron in alkaline soil area
  • A kind of method of cultivating evergreen Rhododendron in alkaline soil area
  • A kind of method of cultivating evergreen Rhododendron in alkaline soil area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: The effect of deep digging drainage ditches on evergreen Rhododendron growth, flowering

[0027] In February 2010, 60 seedlings of six-year-old, healthy and consistent evergreen rhododendron "Red rouge" (size 85×50cm) and "Red Coral" (size 80×45cm) were selected respectively. The test site was Wuhu base of Wuhan Institute of Forestry and Fruit Tree Science. Wuhu base is located at 30°48′ north latitude and 114°91′ east longitude, with an average annual precipitation of 1000-1200mm, an average annual sunshine duration of 1540-2180h, an annual average temperature of 15.6°C, and an annual frost-free period of 255 days, belonging to a subtropical monsoon climate. The test site is gray fluvo-aquic soil, which is a kind of soil formed by dry farming on flooded sediments. It is widely distributed in the Huanghuai Plain, the middle and lower reaches of the Yangtze River, the lower reaches of the Liaohe River, and the Fenwei River Valley Plain in China. The pH of ...

Embodiment 2

[0037] Example 2: Effects of the size of the planting hole and the laying of gravel in the hole on the growth and flowering of Rhododendron

[0038] In November 2010, 80 seedlings of six-year-old evergreen Rhododendron "pink coral" (80×45cm in size) with healthy growth and uniform growth were selected and planted in Wuhu base of Wuhan Forestry and Fruit Tree Science Research Institute. Set up test group 1, test group 2, test group 3 and blank group, with 20 plants in each group. Choose a flat plot and dig planting holes of different specifications. The test group 1 is 60cm×80cm, the test group 2 is 60cm×40cm, the test group 3 is 60cm×80cm, and the blank group is 40cm×40cm. Make the diameter the same as the planting hole Remove the bottom of the or slightly smaller root control container, wrap a plastic film downward at a distance of 20cm from the upper edge of the container to isolate the horizontal penetration of alkaline groundwater, and place the container in the planting h...

Embodiment 3

[0045] Embodiment 3: The effect of removing the root control container on rhododendron growth and flowering

[0046] In February 2010, 60 seedlings of evergreen Rhododendron "Ryukyu Red" (80×50cm in size) and 60 "Daqinglian" (80×50cm in size) were selected and planted in Wuhan. The Wuhu Base of the Municipal Forestry and Fruit Tree Science Research Institute. A test group and a blank group were respectively set up, with 30 plants in each group. Choose a flat plot and dig deep planting holes with a specification of 60cm×80cm; lay stones with a diameter of about 5cm, stones with a diameter of 2cm, and coarse sand in sequence from bottom to top in the planting holes, each with a thickness of 20cm; Remove the bottom of the root control container, wrap a plastic film down at a distance of 20 cm from the top edge of the container to isolate the horizontal penetration of alkaline groundwater, and place the container in the planting hole so that the top edge of the container is 20 cm...

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Abstract

The invention discloses a method for planting evergreen rhododendron in alkaline soil areas and belongs to the technical field of flower planting. The method includes the steps of 1), digging a drainage ditch 50-100cm in depth in the range 200cm away from a rhododendron planting hole; 2), digging the planting hole deeply according to the height of a rhododendron seedling to enable the hole depth to be 20cm greater than the hole diameter, selecting a root control container with the diameter identical or slightly smaller than that of the planting hole and removing the bottom of the container, downwardly wrapping a plastic film on the position 20cm away from the upper edge of the container, and clamping the film in the planting hole to enable the upper edge of the container to be 20cm higher than the ground; 3), sequentially paving stones about 5cm in diameter, pebbles about 2cm in diameter and rough sand from top to bottom with the total thickness ranging from 50cm to 70cm; 4), fixedly planting the rhododendron with a soil ball with improved soil in the planting hole and the root control container, compacting the soil and enabling the soil layer in the container to be 20cm higher than the ground in during planting. With the method, the rhododendron can be transplanted in survival in the alkaline soil, vigorous growth and exuberant flowering are achieved, the rhododendron can be possibly planted in the open field in the alkaline soil, and application market of the rhododendron in botanical garden afforestation is broadened.

Description

technical field [0001] The invention relates to an open-field cultivation technique for evergreen rhododendrons, in particular to a method for cultivating evergreen rhododendrons in alkaline soil areas, and belongs to the technical field of flower cultivation. Background technique [0002] Rhododendron is the collective name for Rhododendron L., and it generally refers to Rhododendron L., a family of Ericaceae. It is a world-renowned alpine flower and one of the top ten traditional flowers in my country. When it blooms, its flowers and leaves are luxuriant and its colors are gorgeous. Among all ornamental flowers and trees, it can be called both flowers and leaves. It is an ideal bonsai potted flower material and is deeply loved by the public. It is the first choice in 14 provinces and cities including Wuxi, Shenzhen, and Changsha. The city flower ranks among the top three city flowers in China along with Chinese rose and sweet-scented osmanthus (Liu Xiaoqing et al., "The Ap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 董艳芳周媛刘国锋童俊徐冬云毛静戢小梅陈法志许林谭庆
Owner 武汉市林业果树科学研究所
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