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Data · dataset · 2026

XDA28070102 Technical Data Set of Cultivation of Deep Mixing and Thick Fertile Ploughing Layer of Organic Fertilizer

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To address the sharp decline in organic matter in black soil layers, agricultural practices such as straw application, soybean-corn rotation, and organic fertilizer use are commonly employed to enhance soil organic content.

Description

Although organic fertilizers demonstrate significant effects, challenges persist in their scientific application techniques. A 500-mu core demonstration area was established in Hailun City, Heilongjiang Province, to showcase the deep mixing and deep plowing cultivation technology for fertile soil layers.

By 2023, the demonstration area expanded to 800 mu. Results indicate that deep mixing and returning organic fertilizers improved soil fertility in the 0-35 cm layer, enhanced the aeration and water-conducting capacity of soil aggregates, and increased soil nutrient storage capacity. The soil plow layer thickness increased by approximately 15.9 cm.

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In the 0-20 cm layer, soil organic matter, alkaline hydrolyzed nitrogen, available phosphorus, and available potassium content increased by 10.2%,29.8%,8.8%, and 10.9%, respectively. Soil bulk density decreased by 13.1%. In the 20-35 cm layer, these parameters increased by 15.3%,29.2%,61.0%, and 22.0%, respectively, with soil bulk density decreasing by 13.3%.

The implementation of this technical model resulted in a 20.1% increase in economic benefits.

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Inferred from text
Horticultural production 74%
Provenance · 1 source records, 11 field assertions
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ScienceDB10.57760/sciencedb.IGA.0017j11 d agoJSON v1
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