Techniques and Effects of Quickly Constructing High-quality Tillage Layers for Newly-cultivated Arable Land in Red Soil and Paddy Field Based on Woody Peat and Organic Materials

QU Chengchuang; CHEN Xiaomin; ZHANG Jiabao; FAN Shuyin; TAN Jun; RUAN Yueming; ZHANG Yinfang; WU Donghe; HAN Zhaoqiang; ZHANG Zhilong

doi:10.13870/j.cnki.stbcxb.2018.06.021

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Techniques and Effects of Quickly Constructing High-quality Tillage Layers for Newly-cultivated Arable Land in Red Soil and Paddy Field Based on Woody Peat and Organic Materials

更新时间：2025-03-12

- Techniques and Effects of Quickly Constructing High-quality Tillage Layers for Newly-cultivated Arable Land in Red Soil and Paddy Field Based on Woody Peat and Organic Materials
- Vol. 32, Issue 6, Pages: 134-140(2018)
- 作者机构：
  
  1. 南京农业大学资源与环境科学学院,南京,210095
  2. 中国科学院南京土壤研究所,南京,210008
  3. 国土资源部土地整治中心,北京,100035
  4. 北京中向利丰科技有限公司,北京,100024
  5. 江西省农业厅,南昌,330200
  6. 余江县国土局, 江西余江,335299
  7. 余江县洪湖乡农业技术推广站, 江西余江,335211
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2018.06.021
  CLC： S158;S156.6
- Published：2018
- 稿件说明：
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QU Chengchuang, CHEN Xiaomin, ZHANG Jiabao, et al. Techniques and Effects of Quickly Constructing High-quality Tillage Layers for Newly-cultivated Arable Land in Red Soil and Paddy Field Based on Woody Peat and Organic Materials[J]. 2018, 32(6): 134-140.
DOI：

QU Chengchuang, CHEN Xiaomin, ZHANG Jiabao, et al. Techniques and Effects of Quickly Constructing High-quality Tillage Layers for Newly-cultivated Arable Land in Red Soil and Paddy Field Based on Woody Peat and Organic Materials[J]. 2018, 32(6): 134-140. DOI： 10.13870/j.cnki.stbcxb.2018.06.021.

摘要

为了探究木本泥炭对红壤岗地新垦耕地优质耕作层构建的机理以及木本泥炭相对于其他有机物料对红壤新垦耕地的改良效果，采用田间小区试验的方法，研究添加不同有机物料对红壤新垦耕地0—20 cm耕作层土壤理化性质和微生物生物量以及水稻产量的影响。试验共设6个不同处理：CK（不添加改良材料）、M30 FS（木本泥炭30 t/hm2+腐熟秸秆3 t/hm2+石灰石粉3.75 t/hm2）、M15 FS（木本泥炭15 t/hm2+腐熟秸秆3 t/hm2+石灰石粉3.75 t/hm2）、CFS（生物炭15 t/hm2+腐熟秸秆3 t/hm2+石灰石粉3.75 t/hm2）、OFS（有机肥15 t/hm2+腐熟秸秆3 t/hm2+石灰石粉3.75 t/hm2）和FS（腐熟秸秆3 t/hm2+石灰石粉3.75 t/hm2）。结果表明：（1）与对照相比，添加木本泥炭与有机物料处理显著降低了耕作层土壤容重，提高了土壤总孔隙度和pH，且添加木本泥炭与有机物料处理中土壤肥力均有不同程度提高，其中土壤有机质、全氮、全磷和全钾含量分别提高了36.41%~88.53%，2.22%~37.78%，6.25%~93.75%和27.57%~85.60%，土壤硝态氮、铵态氮、有效磷和有效钾含量分别提高了17.21%~134.85%，1.42%~72.76%，8.71%~156.79%和12.99%~332.39%。（2）添加木本泥炭与有机物料处理对耕作层土壤微生物生物量影响比较明显，与对照相比，各处理中土壤微生物量碳和氮含量分别显著增加了52.95%~219.00%和121.45%~548.73%。（3）添加木本泥炭与有机物料处理中水稻产量均明显提高，其中M30FS增产效果最明显，增幅为39.53%。（4）利用聚类分析方法将添加不同有机物料处理下新垦耕地耕作层土壤质量等级划分为3级，分别为：一级（M30 FS）、二级（M15 FS，OFS，CFS）、三级（FS，CK），其中经M30 FS处理后土壤质量水平等级最高。添加木本泥炭与有机物料可显著降低新垦耕地耕作层土壤容重，提高土壤总孔隙度和pH，解决了红壤黏重和酸化的特征，且土壤养分和微生物量碳、氮含量均得到了提高，改善了土壤理化性状和生物学特征，提高了水稻产量，其中添加30 t/hm2木本泥炭对红壤新垦耕地优质耕作层构建效果最明显。

Abstract

In order to explore the mechanism of woody peat cultivation on the high-quality tillage layer in the newly cultivated land in red soil and the improvement effects of woody peat over other organic materials on the new cropland in red soil

a field experiment was conducted to study the effects of different organic materials addition on soil physicochemical properties

microbial biomass in 0-20 cm red soil of arid land and rice yield. Six different treatments included:CK (without adding modified material)

M30 FS (woody peat 30 t/hm2+straw decay 3 t/hm2+limestone powder 3.75 t/hm2)

M15 FS (woody peat 15 t/hm2 +straw decay 3 t/hm2+limestone powder 3.75 t/hm2)

CFS (biochar 15 t/hm2+straw decay 3 t/hm2+limestone powder 3.75 t/hm2)

OFS (organic fertilizer 15 t/hm2+straw decay 3 t/hm2+limestone powder 3.75 t/hm2)

FS (straw decay 3 t/hm2+limestone powder 3.75 t/hm2).The results showed that:(1) Compared with the control

the addition of woody peat and organic materials significantly reduced the soil bulk density in tillage layer

improved the soil total porosity and pH. Soil fertilities were also increased after addition of woody peat and organic materials with the varying degrees of improvement

the contents of soil organic matter

total nitrogen

total phosphorus and total potassium increased by 36.41% to 88.53%

2.22% to 37.78%

6.25% to 93.75% and 27.57% to 85.60%

respectively

and ammonium nitrogen

available phosphorus and available potassium increased by 17.21%~134.85%

1.42%~72.76%

8.71%~156.79% and 12.99%~332.39%

respectively.(2) Adding woody peat and organic materials had a significant effect on soil microbial biomass in tillage layer. Compared with the control

the soil microbial biomass carbon and nitrogen increased significantly by 52.95% to 219.00% and 121.45% to 548.73% respectively.(3) The rice yield increased significantly with the application of woody peat and organic materials

of which M30 FS gave the biggest increase of 39.53% in production. (4)The soil quality of cultivated land under different treatment was divided into 3 grades by cluster analysis:first grade (M30 FS)

second grade (M15 FS

OFS

CFS)

and third grade (FS

CK)

among which soil quality level was the highest under M30 FS. The addition of woody peat and organic materials could significantly reduce soil bulk density in tillage cultivated layer

alleviate the viscous and acidification in red soil through improving soil total porosity and pH

and increase the soil nutrient and microbial biomass carbon and nitrogen contents

improve soil physical

chemical and biological properties

and finally increase rice yield. In a word

the addition of 30 t/hm2 of woody peat had the most obvious effect on the construction of high-quality tillage layers of new cropland in red soil.

关键词

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