A field experiment was conducted to study the effects of maize/peanut intercropping on the rhizosphere soil microbial community and nutrient contents. Three treatments were installed, i. e., maize/peanut intercropping, maize monoculture, and peanut monoculture. Comparing with monoculture, intercropping could significantly increase the quantity of soil bacteria in both maize and peanut root areas. The numbers of soil actinomyces and fungi had no significant differences in the root areas of intercropped and mono-cultured peanut, but were much higher in intercropped than in mono-cultured maize root area. The functional diversity and metabolic activity of soil microbial community also improved under intercropping. Maize/peanut intercropping increased the soil alkali-hydrolysable N, available P and organic matter contents and EC to some extent, especially in the root area of maize. All the results suggested that maize/peanut intercropping could obviously improve the status of soil microbes and nutrients in root areas, which in turn, would promote the growth of intercropped crops.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
From intercropping to monocropping: The effects of Pseudomonas strain to facilitate nutrient efficiency in peanut and soil.
Plant Physiol Biochem
December 2024
College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China. Electronic address:
As an oilseed crop, the yield and quality of peanuts are severely constrained by nutrient deficiencies, particularly in calcareous soils in northern China. Maize-peanut intercropping is an effective strategy to enhance mineral nutrient efficiency in peanuts via plant-microbe interaction, but the underlying mechanisms remain elusive. Here, we conducted experiments using a Pseudomonas strain (Pse.
View Article and Find Full Text PDFRice Under Dry Cultivation-Maize Intercropping Improves Soil Environment and Increases Total Yield by Regulating Belowground Root Growth.
Plants (Basel)
October 2024
Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China.
Under the one-season-a-year cropping pattern in Northeast China, continuous cropping is one of the main factors contributing to the degradation of black soil. Previous studies (on maize-soybean, maize-peanut, and maize-wheat intercropping) have shown that intercropping can alleviate this problem. However, it is not known whether intercropping is feasible for maize and rice under dry cultivation, and its effects on yield and soil fertility are unknown.
View Article and Find Full Text PDFMetagenomic insights into nitrogen cycling functional gene responses to nitrogen fixation and transfer in maize-peanut intercropping.
Plant Cell Environ
December 2024
Peanut Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning, China.
Article Synopsis
- The study investigates how peanuts contribute nitrogen to maize in intercropping systems, emphasizing the role of root interactions in this process.
- Utilizing nitrogen isotope labeling and metagenomic sequencing, researchers quantified nitrogen fixation and identified crucial microorganisms involved in the nitrogen cycle.
- Results showed significant increases in nitrogen transfer (230 mg) and soil enzyme activities due to root interactions, highlighting the importance of specific genes and bacteria in enhancing soil nutrient balance.
Border row effects improved the spatial distributions of maize and peanut roots in an intercropping system, associated with improved yield.
Front Plant Sci
June 2024
College of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning, China.
Background: Border row effects impact the ecosystem functions of intercropping systems, with high direct interactions between neighboring row crops in light, water, and nutrients. However, previous studies have mostly focused on aboveground, whereas the effects of intercropping on the spatial distribution of the root system are poorly understood. Field experiments and planting box experiments were combined to explore the yield, dry matter accumulation, and spatial distribution of root morphological indexes, such as root length density (RLD), root surface area density (RSAD), specific root length (SRL), and root diameter (RD), of maize and peanut and interspecific interactions at different soil depths in an intercropping system.
View Article and Find Full Text PDFMaize/peanut rotation intercropping improves ecosystem carbon budget and economic benefits in the dry farming regions of China.
J Environ Manage
February 2024
College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Crop Physi-ecology and Tillage Science in Northwestern Loess Plateau, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China; State Key Lab of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi, 712100, China. Electronic address:
Article Synopsis
- Monoculture, while enhancing crop yield, leads to soil nutrient depletion and quality decline in drylands; switching to intercropping, specifically maize/peanut combinations, offers a more sustainable alternative.
- A 5-year study assessed the impact of various intercropping methods on soil health, greenhouse gas emissions, and economic returns, finding that maize/peanut rotation intercropping significantly boosted land and economic efficiency compared to monoculture practices.
- This rotation method also increased soil organic carbon and nitrogen levels while reducing greenhouse gas emissions, highlighting its potential as a long-term sustainable agricultural practice in dryland areas.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!