Orchard soil fertility characterization method and system
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A soil fertility and characterization technology, which is applied in the direction of instruments, data processing applications, resources, etc., can solve the problems that the distribution cannot reflect the fertility of the deep soil, and the level of soil productivity in the orchard cannot be well reflected.
Active Publication Date: 2019-10-25
INST OF SOIL & FERTILIZER XINJIANG ACAD OF AGRI SCI
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However, there is currently no suitable soil fertility characterization method for fruit trees and other deep-rooted crops. The evaluation results of traditional arable land fertility evaluation methods cannot reflect the productivity level of orchard soil well, especially the deep-seated soil fertility cannot be reflected based on the distribution of fruit tree roots in the soil. soil fertility level
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experiment example 1
[0148] In 2018, an experiment was carried out in a woody grain and oil forest farm in Wensu County, Xinjiang Uygur Autonomous Region. A 10-year-old apple orchard was selected for the application of the soil fertility characterization method. Different soil layers (0-20cm, 20-40cm, 40-60cm, 60-80cm ) soil samples, and at the same time investigate and calculate the relative yield of the orchard, and bring the samples back to the laboratory for indoor analysis of soil texture, organic matter, total nitrogen, inorganic nitrogen, soil available phosphorus, soil available potassium, soil available zinc, soil available iron, soil available manganese, Soil available copper, soil total salt and soil pH indicators.
[0149] The test values of the orchard soil fertility characterization indicators and the relative yield of fruit trees are shown in the following table:
[0150]
[0151] Determine each soil fertility characterization index B of each layer of soil samples using the met...
experiment example 2
[0164] Use the inventive method to carry out multi-orchard soil fertility characterization:
[0165] Eight orchards including Apple Orchard 1, Apple Orchard 2, Pear Orchard 1, Pear Orchard 2, Walnut Orchard 1, Walnut Orchard 2, Jujube Orchard 3 and Jujube Orchard 4 were selected for evaluation.
[0166] The IFI of different orchards and its correlation with relative yield are shown in the table below:
[0167]
[0168] It can be seen that the method for characterization of orchard soil fertility in the present invention and its use are significantly positively correlated with orchard productivity (P<0.01).
[0169] Compared with prior art, the beneficial effect of the present invention is:
[0170] (1) The present invention solves the defect of lacking the soil fertility index for the soil fertility below 0-20 cm of the plow layer in the traditional arable land soil fertility characterization method. Because the root system of fruit trees is larger, deeper than that of fi...
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Abstract
The invention provides an orchard soil fertility characterization method and an orchard soil fertility characterization system. The orchard soil fertility characterization method comprises the following steps: determining a weight coefficient of each soil fertility characterization index of each layer of soil sample by adopting a principal component analysis method; determining the membership degree of each soil fertility characterization index of each layer of soil sample of each orchard object by adopting a Tilfil method; calculating a soil fertility index according to the weight coefficientand the membership degree; determining an index index of the fruit tree relative yield; calculating to obtain the weight of each soil evaluation index; and obtaining a comprehensive index value of the soil fertility of any orchard object. The method has the advantages that the correlation with orchard productivity is better. The method has very important significance for guiding orchard soil fertility management and cultivation management. The fertilizer utilization efficiency can be effectively improved. The orchard yield is increased. The soil environment is improved. The purposes of reducing application of orchard chemical fertilizer, improving quality and improving efficiency are achieved.
Description
technical field [0001] The invention belongs to the technical field of orchard soil fertility characterization, and in particular relates to a method and system for orchard soil fertility characterization. Background technique [0002] In recent years, with the increase of orchard planting years, the soil nutrient content at different depths has changed greatly, and orchard farmers have no clear grasp of the soil fertility level in orchard fields, resulting in a decline in the quality and yield of orchard planting. To maintain the healthy and sustainable production of orchards, it is necessary to formulate characterization methods for orchard soil fertility in combination with orchard productivity levels. The traditional evaluation method of arable land quality is mainly aimed at field crops with shallow roots, which can effectively reflect the level of soil fertility in the plow layer, which is consistent with the productivity level of field crops. However, there is curren...
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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02
Inventor 耿庆龙张计峰陈署晃赖宁李永福段婧婧唐亚莉李娜
Owner INST OF SOIL & FERTILIZER XINJIANG ACAD OF AGRI SCI
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