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Long-term effects of returning wheat straw to croplands on soil compaction and nutrient availability under conventional tillage

Author

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  • Z. Guo

    (Soiland Fertilizer Research Institute, Anhui Academy of Agricultural Sciences, Hefei, Anhui, P.R. China
    Key Laboratory of Nutrient Cycling and Resources Environment of AnHui Province,)

  • D.Z. Wang

    (Soiland Fertilizer Research Institute, Anhui Academy of Agricultural Sciences, Hefei, Anhui, P.R. China
    Key Laboratory of Nutrient Cycling and Resources Environment of AnHui Province,)

Abstract

To investigate the effects of returning wheat straw to croplands on soil compaction and nutrient availability, this trial was designed: (1) planted crops without fertilization (NF); (2) natural land without human activities (CT); (3) applied mineral fertilizers in combination with 7500 kg/ha wheat straw (WS-NPK); (4) applied mineral fertilizers in combination with 3750 kg/ha wheat straw (1/2WS-NPK); and (5) applied mineral fertilizers alone (NPK). It is found that, compared with NPK, the soil bulk density in 1/2WS-NPK and WS-NPK both decreased by more than 10% in the 0 cm to 15 cm layer, and by 6.93% and 9.14% in the 15 cm to 20 cm, respectively. Furthermore, in contrast to NPK, the soil available nitrogen in the 0 cm to 25 cm layer in 1/2WS-NPK and WS-NPK were higher by 17.43% and 35.19%, and the soil available potassium were higher by 7.66% and 17.47%, respectively. For soil available phosphorus in the depth of 5 cm to 25 cm, it was higher by 18.51% in 1/2WS-NPK and by 56.97% in WS-NPK, respectively. Therefore, returning wheat straw to croplands effectively improves soil compaction and nutrients availability, and the improvement in soil nitrogen and phosphorus availability is closely related to the amount of wheat straw.

Suggested Citation

  • Z. Guo & D.Z. Wang, 2013. "Long-term effects of returning wheat straw to croplands on soil compaction and nutrient availability under conventional tillage," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 59(6), pages 280-286.
    • Handle: RePEc:caa:jnlpse:v:59:y:2013:i:6:id:846-2012-pse
    DOI: 10.17221/846/2012-PSE
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    Citations

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    Cited by:

    1. S. Wang & X. Liang & G. Liu & H. Li & X. Liu & F. Fan & W. Xia & P. Wang & Y. Ye & L. Li & Z. Liu & J. Zhu, 2013. "Phosphorus loss potential and phosphatase activities in paddy soils," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 59(11), pages 530-536.
    2. Z. Guo & X. Guo & J. Wang & D. Wang, 2013. "Occlusive effect of soil aggregates on increased soil DTPA-extractable zinc under low soil pH causedby long-term fertilization," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 59(11), pages 524-529.
    3. J. Horáček & E. Strosser & V. Čechová, 2014. "Carbon fraction concentrations in a haplic Luvisol as affected by tillage," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(6), pages 262-266.
    4. Shuwei Zhu & Tianping Gao & Zhen Liu & Tangyuan Ning, 2022. "Rotary and subsoiling tillage rotations influence soil carbon and nitrogen sequestration and crop yield," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 68(2), pages 89-97.
    5. K.K. Hua & B. Zhu & X.G. Wang & X.S. Guo & D.Z. Wang & Z.B. Guo, 2014. "Effect of long-term fertilization on soil aggregate-associated dissolved organic nitrogen on sloping cropland of purple soil," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(2), pages 51-56.
    6. C. Gyuricza & V. Smutný & A. Percze & B. Pósa & M. Birkás, 2015. "Soil condition threats in two seasons of extreme weather conditions," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(4), pages 151-157.

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