Long term effect of crop residue management on yield, economics and soil fertility status in soybean based cropping system

Jaybhaye, CP; Chavhan, K. R.; Giri, M. D.

doi:10.5958/2348-7542.2016.00014.0

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“…The loss in SOC with change in land use is attributed to destruction of soil structure and consequently increased mineralization of organic matter. Land use also impacts C and N mineralization in soil (Parfitt et al, 2003;Lang et al, 2010;Poeplau and Don, 2013;Jaybhaye et al, 2016), through its effect on composition of aboveground vegetation, input of reactive N compounds during fertilization and soil properties such as pH, water content and bulk density.…”

Section: Introductionmentioning

confidence: 99%

Land use effects on soil carbon and nitrogen stocks and dynamics in North Germany

2018

Fmg. & Mngmt.

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In the last few decades, several studies have documented the effect of land use on soil C pools but studies relating to soil N pools and land use are scarce. Since C and N cycles are interrelated, it is important to study the two nutrients simultaneously to understand the processes leading to their stabilization and mineralization in soil. We studied the effect of land use viz., arable, grassland and deciduous forest at two different locations (Hordorf and Warmbüttel) in North Germany with similar soil conditions on total, biological and extractable pools of soil C and N and nitrification potential of soils. Soils at Hordorf location were fine textured and were characterized by higher total C and N concentrations than the soils at Warmbüttel. However, at both the locations, C and N stocks in the 60 cm soil profile were highest in the forest soil. Averaged across both the locations, soil C and N stocks in forest soils were higher by 78-97 and 39-55%, respectively, compared to arable and grassland soils. Land use influenced N mineralization differentially at the two locations. While at Hordorf highest N mineralization potential was observed in forest soils followed by grassland and arable soils; at Warmbüttel grassland soils exhibited the greatest N mineralization followed by forest and arable soils. Compared to arable soils nitrification activity was limited in forest soils because of low pH. Hot water-soluble C and N fractions which varied with land use significantly influenced mineralization and nitrification processes in soils.

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Section: Introductionmentioning

confidence: 99%

Land use effects on soil carbon and nitrogen stocks and dynamics in North Germany

2018

Fmg. & Mngmt.

View full text Add to dashboard Cite

show abstract

Long term effect of crop residue management on yield, economics and soil fertility status in soybean based cropping system

Cited by 1 publication

References 0 publications

Land use effects on soil carbon and nitrogen stocks and dynamics in North Germany

Land use effects on soil carbon and nitrogen stocks and dynamics in North Germany

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