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Method for supplying and applying water and fertilizers for high-quality cultivation of suaeda salsa on coastal mud flat

A high-quality, Suaeda salsa technology, applied in fertilization methods, botanical equipment and methods, fertilization devices, etc., can solve the problems of single planting species, low yield, and delayed development, and achieve broad application prospects, easy access to materials, and operation. easy effect

Inactive Publication Date: 2014-08-06
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved: the present invention aims at a series of practical problems such as lagging development of beach planting industry, slow land use process of tidal flat saline soil, low utilization rate of tidal flat saline soil, single planting variety, low output, slow soil fertility cultivation process, etc. A water and fertilizer supply method for high-grade Suaeda salsa cultivation in coastal beaches is proposed

Method used

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  • Method for supplying and applying water and fertilizers for high-quality cultivation of suaeda salsa on coastal mud flat
  • Method for supplying and applying water and fertilizers for high-quality cultivation of suaeda salsa on coastal mud flat
  • Method for supplying and applying water and fertilizers for high-quality cultivation of suaeda salsa on coastal mud flat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The test plot is a saline-alkali tidal flat located in Jigang Town, Dongtai City, Jiangsu Province. The plot was reclaimed in 2001. Due to the high salt content and poor soil texture, agricultural planting has not been carried out. The test site is 3.2 kilometers east of the Yellow Sea coastline. The soil texture of the test area is sandy loam, the proportions of sand, silt, and clay are 16%, 78% and 6%, the groundwater depth is between 0.5 and 1.9m, and the groundwater salinity is between 5.6 and 12.4 dS / m. The soil water and salt movement in this area is violent and easy to repeat. Salinization and low fertility are the most important factors restricting agricultural development in this area. The experiment was carried out in this plot from April to November 2011, using a completely randomized test method. The variety of Suaeda salsa was "Suaeda salsa No. 1". A total of 20 test treatments were set up, and each treatment was repeated 3 times.

[0023] Coastal beach salin...

Embodiment 2

[0039] The test plot was a tidal flat saline land located in Jinhai Farm, Dafeng City, Jiangsu Province. The plot was reclaimed in 1999 and agricultural planting began in 2001. The soil salt content of the 0-20cm plow layer is 3.4‰~5.2‰. The test has 4 repeats, each repeating 12m 2 (The size of the test plot is 4m×3m). The planted crop is Suaeda salsa and the Suaeda salsa variety is "Suaeda salsa No. 1". The sowing period is April 2, 2010, and the harvest period is November 20, 2010. The control was planting Suaeda without any soil treatment.

[0040] Using orthogonal test method, a total of 6 treatments, each treatment has 4 repetitions, each repetition is 12m 2 (The size of the test plot is 4m×3m). The planted crop is Suaeda salsa and the Suaeda salsa variety is "Suaeda salsa No. 1". The sowing period is April 2, 2010, and the harvest period is November 20, 2010. The control was planting Suaeda without any soil treatment. The main content includes: ditching from the border b...

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Abstract

The invention discloses a method for supplying and applying water and fertilizers for high-quality cultivation of suaeda salsa on a coastal mud flat. The method aims to increase the yield of the suaeda salsa which is halophytic vegetable and reduce a salt index value of the suaeda salsa according to the edibility of the suaeda salsa, and includes leveling saline soil of the flat, forming beds and ditching the coastal mud flat; and applying urea and calcium superphosphate into the saline soil of the flat to increase available nutrients in the soil and ensuring an excellent fertility condition of the soil and balance of the nutrients of the soil. The method has the advantages that the selective ion absorption performance of the suaeda salsa is adjusted under the synergistic effect of the nitrogenous fertilizers and the potash fertilizers; and the growth of the suaeda salsa is promoted by application of the nitrogenous fertilizers, potassium of the soil is supplemented by monopotassium phosphate, an Na / K ion proportion of the soil is improved, the selective ion absorption ability of the suaeda salsa is adjusted, a ratio of Na to K in suaeda salsa plant is reduced, and the taste and the quality of the suaeda salsa are improved.

Description

Technical field [0001] The invention belongs to the technical field of land utilization along beaches and economic crop cultivation, and relates to a water and fertilizer supply method for planting high-quality suaeda along beaches. Background technique [0002] Soil salinization and secondary salinization is one of the main problems of soil degradation in the world today. The saline-alkali soil area in the world is about 955 million hm2, and the area of ​​saline-alkali soil in my country is about 9.91×107hm. 2 , Of which the total area along the beach is about 2.35 million hm 2 , And it is still 20,000 hm 2 The rate of silting up, and Jiangsu Province has the largest tidal flat area, accounting for about 28% of the country. The current water and land resources in our country can only guarantee 500 million tons of food production capacity, which is far from meeting the huge demand of the growing population. At the same time, the contradiction of my country's energy shortage is be...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00
Inventor 杨劲松姚荣江孟庆峰张春银吉荣龙
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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