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Pig manure and fertilizer combined application method under optimized red-soil upland peanut-cassava-radish planting mode

A technology for peanuts and cassava, applied in fertilization methods, organic fertilizers, fertilization devices, etc., can solve problems such as environmental pollution, waste of organic fertilizer resources, and fertility degradation of red soil in dry land, so as to improve economic and environmental benefits, reduce environmental pollution risks, Effect of reducing energy consumption

Active Publication Date: 2014-08-13
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] However, on the one hand, cassava consumes a lot of fertilizer, and traditional chemical fertilizer application cannot well meet the nutrient requirements of intercropping systems, especially cassava. Continuous planting will inevitably aggravate the degradation of dryland red soil fertility; The province produces more than 120 million tons of breeding manure every year, and a large amount of manure is directly discharged into farmland and water bodies without treatment, which not only causes environmental pollution, but also wastes high-quality organic fertilizer resources
[0005] For a long time, pig manure has been rarely used in red soil dry land, and the application technology is unreasonable
In the intercropping mode of peanuts, cassava and radishes, through the reasonable combination of decomposed pig manure and chemical fertilizers, the high yield and high efficiency of the intercropping mode can be truly realized, soil fertility can be improved, and environmental pollution can be reduced. There has been no systematic report so far.

Method used

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  • Pig manure and fertilizer combined application method under optimized red-soil upland peanut-cassava-radish planting mode
  • Pig manure and fertilizer combined application method under optimized red-soil upland peanut-cassava-radish planting mode
  • Pig manure and fertilizer combined application method under optimized red-soil upland peanut-cassava-radish planting mode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1. Test area conditions and test layout

[0027] 1) Location of the test area: The field test site is located in the Honghu Villager Group of Honghu Township, Yujiang County, Jiangxi Province. East longitude 116°55′30″, north latitude 28°15′20″, belongs to the subtropical humid monsoon climate with four distinct seasons. The terrain in this area is relatively flat, dominated by hillocks, the altitude is below 100m, and the relative elevation is generally only tens of meters. The temperature is 5.1°C. The accumulated temperature of ≥10°C is 5627.6°C, the average annual sunshine hours are 1852.4h, and the average annual precipitation is 1788.8mm.

[0028] 2) Test layout

[0029] Planting specifications: Peanut row spacing 40cm, plant spacing 20cm, two on-demand per hole; cassava intercropping row spacing 4m, plant spacing 80cm, obliquely inserted into the soil, revealing a bud; radish combined with fertilizer seed dressing and sowing.

[0030] Plot setting: 30m for si...

Embodiment 2

[0055] In order to verify whether the technical advantages of pig manure and chemical fertilizer application under the peanut / / cassava-radish planting mode have universal application value, we selected a red soil dryland with red sandstone development near the above test area to conduct a verification test. The test design, crop varieties, and fertilization The management etc. are completely consistent with the scheme of pig manure in Example 1 in which 34% of peanuts are used in nitrogen and 40% of cassava is applied. The test results further confirm that the fertilization measures listed in this patent and the proportion of pig manure and chemical fertilizers can increase the crop yield and nutrient utilization rate of each season, and increase the soil available nutrient content, and can produce good results under different soil parent materials. Practicality and applicability are outstanding ( Figure 7 , Figure 8-10 ).

Embodiment 3

[0057] This technical scheme not only carried out research on two kinds of red soil with different soil-forming parent materials, but also systematically compared the combined fertilization technology with the local conventional fertilization (results above), and we used the pig manure in this technology to count peanuts as nitrogen. 34% row application and 40% cassava row application were compared horizontally with other existing studies, and the results are as follows ( Figure 11 ). References for comparative studies: Xu Xiaolin, Huang Qianru, Ye Chuan, etc. Study on suitable spacing of peanut and cassava intercropping in hilly red soil and dry land. Journal of Jiangxi Agricultural Sciences, 2012,24(4):20-22.

[0058] In order to better reflect the comparative value, the test site selected for the control study is close to this study, and the yield traits of the tested peanut and cassava varieties are also similar to this study, but the control study uses purified fertilize...

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Abstract

The invention discloses a pig manure and fertilizer combined application method under optimized red-soil upland peanut-cassava-radish planting mode. According to the method, decomposed pig manure is completely taken as a base fertilizer and is applied to peanut furrows and cassava furrows before peanut is sowed and cassava is cut, and a layer of soil covers decomposed pig manure after decomposed pig manure and soil are uniformly mixed in the furrows; a fertilizer is taken as a base fertilizer and is uniformly mixed with soil, then the mixture is uniformly applied to the peanut furrows and the cassava furrows one day before peanut is sowed and cassava is cut, then the mixture is covered with soil; after peanut is harvested, urea and potassium fertilizer are taken as additional fertilizers and are applied to cassava rows; and after peanut is harvested, radish is sowed in peanut rows, urea, calcium magnesium phosphate fertilizer and potassium chloride fertilizer are taken as base fertilizers and are applied for one time, and the fertilizers are covered with soil, so that fertilizer applying is finished. According to the method, a proper organic fertilizer source is selected, the reasonable proportion of the inorganic fertilizer and the inorganic fertilizer and proportions and usage amount of the nitrogen fertilizer, the phosphorus fertilizer and the potassium fertilizer are determined, the upland soil fertility is maintained and improved, the output and the quality of peanut, cassava and radish are effectively improved, and the economical benefit and the environmental benefit of production on red-soil upland are substantially improved.

Description

technical field [0001] The invention belongs to the technical field of crop intercropping and fertilization, and in particular relates to intercropping measures of peanuts, cassava and radishes, composting and fermentation of organic fertilizers, and field combined application of pig manure and inorganic fertilizers. Background technique [0002] Multi-ripe three-dimensional compound planting represented by interplanting, mixed and interplanting is the main direction of agricultural development in the world today. Improving the multiple cropping index of red soil and harvesting two more economic crops is of great significance for the efficient use of limited red soil dryland resources and the increase of crop yield and benefit. [0003] In northeastern Jiangxi, 60-80% of the red soil dry land is dominated by pure peanut cultivation, and the utilization rate of soil resources for peanut sole cultivation is only about 40%. Cassava is resistant to drought, barren and acidic so...

Claims

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Application Information

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IPC IPC(8): A01C21/00C05F3/00C05G1/00
CPCY02A40/20
Inventor 樊剑波陈晏何园球张其海
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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