Effects of planting Asparagus cochinchinensis in different artificial forests on soil physical properties and nutrient content

doi:10.14088/j.cnki.issn0439-8114.2025.01.005

Abstract

Abstract: In order to explore the effect of planting Asparagus cochinchinensis in different artificial forests, soil physical properties and nutrient contents between different layers of soil were studied by interplanting 1-year-old A. cochinchinensis seedlings in pure Cunninghamia lanceolata forest, C. lanceolata + Pinus massoniana mixed-forest, C. lanceolata + Eucalyptus mixed-forest and pure Schima superba forest. The results showed that most of the physical indexes were significantly different among different planting models（P<0.01）. The soil water holding capacity of S. superba-A. cochinchinensis was better than that of C. lanceolata-A. cochinchinensis among pure forest models, and the soil water holding capacity C. lanceolate+P. massoniana / Eucalyptus-A. cochinchinensis model was improved compared with that of C. lanceolata-A. cochinchinensis model. Only total nitrogen and total potassium contents of forest soil were significantly different in the 0~20 cm soil layer（P<0.01）, but all the indexes were significantly different in the 20~40 cm soil layer（P<0.01）. The soil nutrient content of S. superba-A. cochinchinensis model was higher than that of the C. lanceolata-A. cochinchinensis model, while the soil nutrient content of C. lanceolate+ P. massoniana/ Eucalyptus-A. cochinchinensis in the 0~20 cm soil layer was better than that of the C. lanceolate-A. cochinchinensis model, but the nutrient accumulation in the 20~40 cm soil layer varied according to the model. For the rhizosphere soil of A. cochinchinensis, only the total carbon content was extremely significantly different among models（P<0.01）. The nutrient content of the rhizosphere soil in S. superba-A. cochinchinensis was the best, and the nutrient content of the rhizosphere soil in mixed forest of C. lanceolata was higher than that of pure forest of C. lanceolata. In conclusion, soil properties were improved under the S. superba-A. cochinchinensis model, which could be extended in production. However, the supplementation of nitrogen and potassium fertilizer should be emphasized. The soil properties of C. lanceolate+P. massoniana/Eucalyptus-A. cochinchinensis model were better than those of C. lanceolata-A. cochinchinensis model.

Key words: Asparagus cochinchinensis, artificial forest, understory interplanting models, soil physical properties, nutrient

CLC Number:

LU Zhen-xian, MA Dao-cheng, JIANG Feng-jing, YANG Mei, XU Yuan-yuan, SHEN Li-feng. Effects of planting Asparagus cochinchinensis in different artificial forests on soil physical properties and nutrient content[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(1): 28-34.

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