Integrated evaluation of soil fertility in Ginkgo (Ginkgo biloba L.) agroforestry systems in Jiangsu, China

Wang, Guibin; Cao, Fuliang

doi:10.1007/s10457-011-9399-y

Cited by 27 publications

(25 citation statements)

References 25 publications

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“…In Chinese grassland soils, SIC stocks were more than seven-fold higher at pH >7, as compared to lower pH values [54]. Wang and Cao [32] reported soil pH in the top 20 cm layer of a rapa-soybean cropping system at 7.9 but significantly lower values when Ginkgo and/or mulberry were present. The lower soil pH might have been due to increased soil nitrification [32,55,56], which could explain the lower SIC values in the Ginkgo-based systems.…”

Section: Storagementioning

confidence: 98%

“…It is situated in the north subtropical marine monsoon climate zone with a mean annual precipitation of 1031 mm, mean annual temperature of 14.9 °C, and mean annual relative humidity of 80%. The mean monthly maximum temperature is 2 °C in January, and 27.6 °C in July [32]. Jiangsu Province is the main Ginkgo growing region in China, accounting for 20% of annual total nut yield [30].…”

Section: Study Sitementioning

confidence: 99%

“…Each of the nine samples at a given depth was mixed and used for all subsequent analyses. Samples were stored in separate plastic bags, transported immediately to the laboratory, air-dried, and passed through a 2 mm sieve to remove stones and root fragments [32].…”

Section: Sample Protocolmentioning

confidence: 99%

“…Wang and Cao [32] reported soil pH in the top 20 cm layer of a rapa-soybean cropping system at 7.9 but significantly lower values when Ginkgo and/or mulberry were present. The lower soil pH might have been due to increased soil nitrification [32,55,56], which could explain the lower SIC values in the Ginkgo-based systems. SIC stocks were several orders of magnitude lower than SOC, however, and so the relative contribution of SIC to total C storage was low (cf.…”

Section: Storagementioning

confidence: 99%

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Enhanced Soil Carbon Storage under Agroforestry and Afforestation in Subtropical China

Wang

Welham

Feng

et al. 2015

Forests

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Soil carbon (C) in three Ginkgo (Ginkgo biloba L.) agroforestry systems, afforestation (Ginkgo alone; G), and an agricultural cropping system were compared over a five-year period. The agroforestry systems were Ginkgo + Wheat (Triticum aestivum L.) + Peanut (Arachis hypogaea L.; GWP); Ginkgo + Mulberry (Morus alba L.; GM); and Ginkgo + Rapa (Brassica napus L.) + Peanut (GRP). The agricultural system consisted of wheat and peanut (WP). Total soil carbon (TSC), soil organic (SOC) and inorganic carbon (SIC), and the pools of five SOC chemical fractions were measured. TSC and SOC were always lower under WP than the G-based planting systems, and TSC in the latter increased significantly across years in the top 20 cm. Stocks of SIC under WP were significantly greater than the G-based systems, whereas SOC fractions tended to be lower. Most fractions increased across years but not in WP.

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Section: Storagementioning

confidence: 98%

Section: Study Sitementioning

confidence: 99%

Section: Sample Protocolmentioning

confidence: 99%

Section: Storagementioning

confidence: 99%

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Enhanced Soil Carbon Storage under Agroforestry and Afforestation in Subtropical China

Wang

Welham

Feng

et al. 2015

Forests

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“…Fertility changes reflect the interaction of the chemical, physical, and biology components in the soil. Soil quality index [26] was chosen to indicate the general positive environmental effects of agroforestry systems. Litter decomposition rates are indirect indicators of forest productivity, while total plant productivity directly reflects the integrated effect of all site conditions [8].…”

Section: Ecological Indicatorsmentioning

confidence: 99%

An Ecologically Based System for Sustainable Agroforestry in Sub-Tropical and Tropical Forests

Sun

Cao

Wei

et al. 2017

Forests

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Forests in tropical and sub-tropical countries face severe pressures due to a combination of poverty and environment degradation. To be effective, measures to protect these forests must therefore consider both economic and ecological dimensions synergistically. The purpose of this paper was to synthesize our long-term work (1994-2015) on a Ginkgo (Ginkgo biloba L.) agroforestry system and demonstrate its potential for achieving both goals, and discuss its wider application in tropical and sub-tropical countries. The performance of various ecological, economic, and social indicators was compared among five Ginkgo agroforestry systems. Two additional indicators, Harmony Degree (HD) and Development Degree (DD), were also used to show the integrated performance of these indicators. Ginkgo-Wheat-Peanut (G+W+P) and Ginkgo-Rapeseed-Peanut (G+R+P) are the best systems when compared to pure and mixed Ginkgo plantations, or pure agricultural crops. Results demonstrate that it is possible to achieve both economic development and environmental protection through implementation of sustainable agroforestry systems in sub-tropical regions.

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Fertilization as the most critical factor affecting yield response and agronomic efficiency of phosphorus in Chinese rice production: evidence from multi‐location field trials

et al. 2023

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BACKGROUNDEfficient utilization of phosphorus (P) has been a major challenge for sustainable agriculture. However, the responses of fertilizer rate, region, soil properties, cropping systems and genotypes to P have not been investigated comprehensively and systematically.RESULTSA comprehensive analysis of 9863 fertilizer‐P experiments on rice cultivation in China showed that rice yield increased first and then fell down with the addition of P fertilizer, and the highest yield of 7963 kg ha−1 was observed under 100% P treatment. Under 100% P treatment, the yield response of applied P (YRP) and agronomic efficiency of applied P (AEP) were 12.8% and 30.1 kg ha−1, respectively. Lower soil pH (< 5.5) and organic matter (< 30.0 g kg−1) were associated with lower YRP and AEP. By contrast, soil available P < 25.0 mg kg−1 resulted in decreased YRP (15.3 to 11.4%) and AEP (32.3 kg kg−1 to 26.2 kg kg−1), whereas soil available P > 25.0 mg kg−1 maintained the relatively stable YRP and AEP. Also, the YRP and AEP were significantly higher for single‐cropping rice compared to other cropping systems. Moreover, the rice genotypes such as ‘Longdun’, ‘Kendao’ and ‘Jigeng’ had higher YRP and AEP than the average value. Overall, the fertilizer‐P rate was the primary factor affecting YRP and AEP, and the recommended P fertilizer rate can be reduced by 9–21 kg P ha−1 compared to existing expert recommendations.CONCLUSIONThe present study highlights the role of fertilizer‐P rate in maximizing the YRP and AEP, thereby providing a strong basis for future fertilizer management in rice cultivation systems. © 2023 Society of Chemical Industry.

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Integrated evaluation of soil fertility in Ginkgo (Ginkgo biloba L.) agroforestry systems in Jiangsu, China

Abstract: Ginkgo (Ginkgo biloba L.) is a traditional economic tree species in China, and often cultivated in agroforestry systems.

Cited by 27 publications

References 25 publications

Enhanced Soil Carbon Storage under Agroforestry and Afforestation in Subtropical China

Enhanced Soil Carbon Storage under Agroforestry and Afforestation in Subtropical China

An Ecologically Based System for Sustainable Agroforestry in Sub-Tropical and Tropical Forests

Fertilization as the most critical factor affecting yield response and agronomic efficiency of phosphorus in Chinese rice production: evidence from multi‐location field trials

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