Method for improving replacement soil to increase yield of potatoes in newly-added cultivated land of loess hilly region

A potato and soil-removing technology, applied in the fields of agriculture and land engineering, can solve problems such as the inability to effectively increase potato yield, and achieve the effects of improving soil water permeability, increasing yield, and increasing fertilizer utilization.

Inactive Publication Date: 2018-01-12
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The applicant of this application once studied the method of increasing the water-holding capacity of the newly added land during the research process of loess hilly ditch control and land reclamation, but the applicant found that although this method can increase the water-holding capacity, it can also promote the growth of potatoes , but it does not effectively increase the potato yield when planting potatoes

Method used

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  • Method for improving replacement soil to increase yield of potatoes in newly-added cultivated land of loess hilly region
  • Method for improving replacement soil to increase yield of potatoes in newly-added cultivated land of loess hilly region
  • Method for improving replacement soil to increase yield of potatoes in newly-added cultivated land of loess hilly region

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Firstly, the test field is selected, the area of ​​the test field is measured, and the amount of foreign soil is calculated according to the area of ​​the test field and the thickness of the prepared covering soil. In this embodiment, take Malan loess 5cm (X5), red clay (L5), and undisturbed soil (YZT) respectively, and plant 3 unit areas of each type of covering soil and thickness (that is, the standard test field size, which can be selected according to needs, such as Can be selected as 100 square meters or 1 mu), the first unit area is applied with farmyard manure, the second unit area is applied with compound fertilizer, and the third unit area is applied with a mixture of farmyard manure and compound fertilizer.

[0030] The selected potato variety is Kexin No. 1, a mid-maturity variety with a growth period of about 100 days. Strong drought resistance, suitable for cultivation in arid areas. The average output is generally 1500 kg, and the high output can reach mo...

Embodiment 2

[0039] In the present embodiment, take Malan loess 10cm (X10) respectively; Red clay 10cm (L10); Every kind of covering soil type and thickness plant 3 unit areas (that is, the size of the standard test field, which can be selected according to needs, for example, can be selected as 100 square meters or 1 mu), the first unit area is applied with farmyard manure, the second unit area is applied with compound fertilizer, and the third unit area is applied with a mixture of farmyard manure and compound fertilizer.

[0040] In order to better compare the effect of various soil amendments on potato yield, the experiments were carried out on basically homogeneous land, and the test plots were spaced at a certain distance from each other.

[0041] In this embodiment, the selection of potato varieties, sowing and harvesting time are all the same as in Embodiment 1.

[0042] table 3

[0043]

[0044]

[0045] As can be seen from this example, the effect of utilizing Malan loess ...

Embodiment 3

[0047] In the present embodiment, take Malan loess 15cm (X15) respectively; Red clay 15cm (L15); Every kind of covering soil type and thickness plant 3 unit areas (that is, the standard test field size, which can be selected according to needs, for example, can be selected as 100 square meters or 1 mu), the first unit area is applied with farmyard manure, the second unit area is applied with compound fertilizer, and the third unit area is applied with a mixture of farmyard manure and compound fertilizer.

[0048] In order to better compare the effect of various soil amendments on potato yield, the experiments were carried out on basically homogeneous land, and the test plots were spaced at a certain distance from each other.

[0049] In this embodiment, the selection of potato varieties, sowing and harvesting time are all the same as in Embodiment 1.

[0050] Table 4

[0051]

[0052]As can be seen from this example, the effect of utilizing Malan loess for soil improvement...

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Abstract

The invention discloses a method for improving replacement soil to increase the yield of potatoes in a newly-added cultivated land of a loess hilly region. The method comprises the steps of 1, selecting a target area of a field of the cultivated land newly added through gully treatment and land reclamation in the loess hilly region as an improvement land plot, and determining the area S of the selected improvement land plot; 2, obtaining a preset amount of late pleistocene Q3 malan loess as the replacement soil according to the area of the selected improvement land plot; 3, crushing the determined replacement soil in the step 2 into soil with the particle size smaller than 3 cm, evenly laying the improvement land plot with the soil, and fully conducting mixing; 4, applying manure and/or compound fertilizer as base fertilizer, and using a rotary tiller for ploughing; 5, planting the potatoes on the improved land plot after ploughing. The method has the advantages that the materials areconvenient to obtain, the cost is low, the soil texture can be quickly improved, the water and air permeability and porosity are enhanced, the soil tilth is improved, the quality of the potatoes is improved, and the yield of the potatoes is increased.

Description

technical field [0001] The invention belongs to the field of agriculture and land engineering, and in particular relates to a soil improvement method for increasing the potato yield of newly-added cultivated land in loess hilly areas. Background technique [0002] The hilly and gully area of ​​the Loess Plateau is criss-crossed with cross-beams and ravines, and is the most serious area of ​​soil erosion in my country. In recent years, the central government has supported major engineering projects of gully land reclamation and land consolidation in Yan'an, Shaanxi, providing new opportunities for optimizing the agricultural structure of the Loess Plateau and improving land use efficiency and ecological effects. The construction of new cultivated land and its rapid maturation are important foundations for gully land consolidation and sustainable land use. [0003] The researches on the rapid maturation and quality improvement of cultivated land at home and abroad are earlier...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
Inventor 刘彦随李裕瑞冯巍仑陈宗峰曹智
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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