Effect of varied fertilization and cutting frequency on forage yields, phosphorus and potassium contents and nutrient balance of fen grassland

Käding, Horst

doi:10.1080/03650340500513269

Cited by 3 publications

(1 citation statement)

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“…Natural 0.2~8.8 0.03~9.2 -2.01~0.36 (Chaneton et al, 1996;Dong et al, 2000;Hoffmann et al, 2008;Oelmann et al, 2007;Steinke et al, 2013;Yan et al, 2011;Zhou et al, 2013) Managed 0~244 0~68.7 -42.0~126.0 (Domburg et al, 2000;Dong et al, 2000;Foy et al, 2002;Haas et al, 2007;Haygarth et al, 1998a;Haygarth et al, 1998b;Hooda et al, 1999;Hooda et al, 2000;Käding, 2006;Li et al, 2004;Messiga et al, 2015;Murphy et al, 2015;Pote et al, 2009;Rowarth et al, 1992;Sinaj et al, 2002;Tiessen et al, 1982;Toor et al, 2005;Toor et al, 2004 (Newman, 1995;Schlesinger et al, 1999;Turnbull et al, 2011) Managed 0.4~30.0 1.4~13.0 -1.0~25.8 (Gourley et al, 2012;Obour et al, 2011) Figure adapted from Haygarth et al, 1998a. Fig.…”

Section: Meadow Andshrublandmentioning

confidence: 99%

Soil phosphorus budget in global grasslands and implications for management

Zhou

Daryanto

Xin

et al. 2017

Journal of Arid Environments

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Grasslands, accounting for one third of the world terrestrial land surface, are important in determining phosphorus (P) cycle at a global scale. Understanding the impacts of management on P inputs and outputs in grassland ecosystem is crucial in environmental management since a large amount of P is transported through rivers and groundwater and detained by sea reservoir every year. To better understand the P cycle in global grasslands, we mapped the distribution of different grassland types around the world and calculated the corresponding P inputs and outputs for each grassland type using data from the literature. The distribution map of P input and output revealed a nonequilibrium condition in many grassland ecosystems, with: (i) a greater extent of inputs than outputs in most managed grasslands, but (ii) a more similar inputs and outputs in the majority of natural grasslands. Based on the mass balance between P input and output, we developed a framework to achieve sustainable P management in grasslands and discussed the measures targeting a more balanced P budget. Greater challenge is usually found in heavily-managed than natural grasslands to establish the optimum amount of P for grass and livestock production while minimizing the adverse impacts on surface waters. This study provided a comprehensive assessment of P budget in global grasslands and such information will be critical in determining the appropriate P management measures for various grassland types across the globe.

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