Recommended fertilizer application method for radish

A technology for recommending fertilization and radish, which is applied in the field of agricultural resources and environment, can solve the problems of irreplaceable use of model parameters, differences in properties, and vast planting areas, and achieve the effects of easy operation and application, avoiding economic expenditure, and improving nutrient utilization efficiency

Active Publication Date: 2019-08-02
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology

However, due to the significant differences in the properties of various crops, the model parameters cannot be used as substitutes. Moreover, there...

Method used

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  • Recommended fertilizer application method for radish
  • Recommended fertilizer application method for radish
  • Recommended fertilizer application method for radish

Examples

Experimental program
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Embodiment 1

[0073] Example 1 Field verification test

[0074] The experiment was carried out in Tianjin, Shandong, and Beijing in spring and autumn of 2018. 4 experimental sites were arranged in each region in spring and autumn, and there were 24 field trials in three regions in two seasons.

[0075] Before radish planting, the planting information survey was conducted on each test plot to obtain the farmers’ past years’ radish output, fertilization amount, and fertilization method, etc., to determine the target yield of radish and the level of soil basic nutrient supply.

[0076] The recommended fertilization method (NE) was used to calculate the yield response and the amount of N, P, and K fertilizer (see Table 5), and the farmers’ habitual fertilization treatment (FP) and soil testing fertilization treatment (ST) were set as controls.

[0077] The area of ​​each plot is guaranteed to be 20-30m 2 , Each treatment is repeated 3 times.

[0078] Specific steps are as follows:

[0079] (1) Comparison ...

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Abstract

The invention relates to a recommended fertilizer application method of radishes. The method comprises the following steps of determining the target yield of radishes in season according to the past radish yield level in existing land; (2) determining the basic nutrition supply level of the soil of the existing land; (3) calculating the yield reaction of the existing land according to multi-year multi-point factor reduction tests; or estimating the yield reaction of the fertilization according to the basic nutrition supply level of the soil of the existing land and a yield reaction coefficient; (4) performing simulation by using a QUEFTS model to obtain the best nutrition demand of the radishes; calculating the consumption of N, P and K fertilizers required by the radishes to reach the target yield by combining the target yield, the yield reaction, the soil basic nutrition supply level, the agronomic efficiency, the preceding crop straw turnover and in-season crop nutrient residue balance factors. The method is applicable to the fertilization recommendation of the radishes in the land with different sizes; the application can be realized under the conditions of test with the soil or test without the soil; the characteristics of high timeliness, easy mastering, wide application and the like are realized.

Description

Technical field [0001] The invention relates to a recommended fertilization method for radishes, which belongs to the field of agricultural resources and environment. Background technique [0002] my country is one of the birthplaces of radish, with a history of more than 2,700 years of cultivation. Radish is a cruciferous plant. It is a root vegetable whose taproot is enlarged to form fleshy roots as the edible organ. It is deeply loved by people all over the world for its rich nutritional value and super health effect. Radish is the second largest type of vegetable in my country, cultivated in all parts of the north and south, and it occupies an important position in vegetable production and consumption in China. [0003] Fertilization is one of the important technical measures to ensure the high yield and quality of radish. However, in the production of radish, farmers usually apply fertilizer according to traditional experience. Vegetable farmers blindly pursue high yields, so...

Claims

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Application Information

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IPC IPC(8): A01C21/00G06Q50/02
CPCA01C21/007G06Q50/02
Inventor 何萍徐新朋张佳佳李书田周卫
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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