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Water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land

A technology of red pitaya and an application method, which is applied in the directions of fertilization method, pressure spreading method of liquid fertilizer, botanical equipment and method, etc., so as to improve absorption efficiency, avoid soil nutrient fixation and antagonism on water and fertilizer absorption, and strengthen the Effects of water and nutrient supply

Active Publication Date: 2020-06-09
INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no relevant report on utilizing the main root and aerial root synergistic fertilization to improve the overall root fertilizer utilization rate of dragon fruit

Method used

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  • Water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land
  • Water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land
  • Water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land

Examples

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Effect test

Embodiment 1

[0030] A water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land, comprising the following methods:

[0031] 1) Preparation and filling of root-limited nutrient soil: mix 6 parts of red loam soil, 3 parts of organic fertilizer, and 1 part of coarse river sand evenly, cover and stack for 13 days, and adjust the pH value to 6. Organic fertilizer nutrients are organic matter ≥ 45%, N+P 2 o 5 +K 2 O is 6%. Then, fill the nutrient soil into the rubber barrels and hollow columns with holes in the potted planting racks that have been set up in salt-separated rows, and place the root-limiting barrels on a well-ventilated, sunny, well-drained, high-salinity 3 ‰ of coastal saline-alkali land;

[0032] The specific operation is as follows:

[0033] Choose the seaside saline-alkali land with good ventilation, good drainage and high terrain as the dragon fruit planting site, excavate a 50-60cm wide and 30-40cm deep annular ditch, and set up ro...

Embodiment 2

[0037] A water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land, comprising the following methods:

[0038] 1) Preparation and filling of root-limited nutrient soil: mix 5 parts of red loam soil, 4 parts of organic fertilizer, and 1 part of coarse river sand evenly, cover and stack for 18 days, and adjust the pH value to 6.5. Organic fertilizer nutrients are organic matter ≥ 50%, N+P 2 o 5 +K 2 O is 8%. Then, fill the nutrient soil into the rubber barrels and hollow columns with holes in the potted planting racks that have been set up in salt-separated rows, and place the root-limiting barrels on a well-ventilated, sunny, well-drained, high-salinity 3 ‰ of coastal saline-alkali land;

[0039] 2) Drip irrigation control of water, fertilizer and salt at the main root: adopt the integrated drip irrigation technology of water and fertilizer, 2 drip irrigation pipes in each row of the main root of young trees, install 1 dripper each, a...

Embodiment 3

[0042] A water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land, comprising the following methods:

[0043] 1) Preparation and filling of root-limited nutrient soil: mix 5 parts of red loam soil, 4 parts of organic fertilizer, and 1 part of coarse river sand evenly, cover and stack for 18 days, and adjust the pH value to 6.5. Organic fertilizer nutrients are organic matter ≥ 50%, N+P 2 o 5 +K 2 O is 8%. Then, fill the nutrient soil into the rubber barrels and hollow columns with holes in the potted planting racks that have been set up in salt-separated rows, and place the root-limiting barrels on a well-ventilated, sunny, well-drained, high-salinity 3 ‰ of coastal saline-alkali land;

[0044] 2) Drip irrigation control of water, fertilizer and salt at the main root: adopt the integrated drip irrigation technology of water and fertilizer, 2 drip irrigation pipes in each row of the main root of young trees, install 1 dripper each, a...

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Abstract

The invention provides a water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land. The method comprises the following steps of (1) preparation and filling of root-limiting nutrient soil; and (2) coordinate water and fertilizer drip irrigation of the main root and aerial roots. The coordinate water and fertilizer application of the branch aerial roots and the main root system of the dragon fruit provided by the invention slows down the influence of the salt damage and the pests of the main root on the water and fertilizer absorption of the root, and greatly improves the water and fertilizer absorption efficiency of the whole root system of the dragon fruit. The invention is particularly suitable for planting dragon fruit with large damage to the mainroot of saline-alkali land.

Description

technical field [0001] The invention relates to water and fertilizer management for fruit trees in coastal saline-alkali land, in particular to a water and fertilizer application method for potted red dragon fruit in coastal saline-alkali land. Background technique [0002] Pitaya with red heart has high economic value. In recent years, sporadic cultivation has begun on coastal saline-alkali wasteland in coastal areas of Fujian Province. However, due to poor soil compaction, high salt content, and high pH, ​​the growth of pitaya has been seriously affected. Dragon fruit is a shallow root crop, and digging trenches and fertilizing can easily damage the root system. In production, surface or shallow application of fertilizers is generally used, and nutrients are easily volatilized or lost by leaching. In addition to traditional flood irrigation, the utilization rate of water and fertilizer in the root system of pitaya is low, and the accumulation of water in the roots causes r...

Claims

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Application Information

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IPC IPC(8): A01C21/00A01C23/04A01G24/20A01G24/10A01G24/12A01G22/05A01G9/02
CPCA01C21/00A01C23/04A01G9/02A01G22/05A01G24/10A01G24/12A01G24/20
Inventor 王煌平罗涛郑培忠王义祥陈振彬张青林舒远钟少杰
Owner INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI
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