Contributions of rational soil tillage to compaction stress in main peanut producing areas of China.
Contributions of rational soil tillage to compaction stress in main peanut producing areas of China.
复制标题
合理耕作对我国花生主产区压实胁迫的贡献
DOI：
10.1038/srep38629
复制
发表时间：
2016-12-09
影响因子：
4.6
通讯作者：
He X
中科院分区：
文献类型：
--
作者：
Shen P;Wu Z;Wang C;Luo S;Zheng Y;Yu T;Sun X;Sun X;Wang C;He X
耕作强度很大程度上影响农业生态系统中的土壤压实动态。然而，耕作强度对地下花生田压实变化的贡献尚未量化。因此，我们的目的是更好地了解土壤耕作强度在减轻花生压实应力方面的作用。通过在中国花生主产区进行的三项田间耕作试验，我们量化了（1）免耕、（2）浅耕（20厘米）、（3）深耕（30厘米）和（4）深松（30厘米）对0-10厘米、10-20厘米和20-30厘米深度土壤容重变化的影响。豆荚的生长和养分的积累。结果表明，耕作管理有效缓解了花生生长和生产中的土壤板结胁迫。对根、荚果地下生长有较大的促进作用，氮素积累量排序为深耕>浅耕、深松。当土壤容重降低0.1gcm−3时，根系生物量和花生产量分别增加7.5%和4.6%。我们的结果表明，通过深耕减轻土壤压实应力可能是提高田间花生产量的关键耕作策略。
Tillage intensities largely affect soil compaction dynamics in agro-ecosystems. However, the contribution of tillage intensities on compaction changes in underground peanut (Arachis hypogaea) fields has not been quantified. We thus aimed to better understand the role of soil tillage intensities in mitigation of compaction stress for peanuts. Using three field tillage experiments in major Chinese peanut producing areas, we quantified the effects of (1) no tillage, (2) shallow (20 cm) plowing, (3) deep (30 cm) plowing and (4) deep (30 cm) loosening on changes in soil bulk density at 0–10 cm, 10–20 cm and 20–30 cm depths, roots and pods growth, and nutrient accumulation. Results showed that tillage management effectively mitigated soil compaction stress for peanut growth and production. Greater beneficial improvement for the underground growth of roots and pods, and N accumulation ranked as deep plowing > shallow plowing and deep loosening. Respective increases of 7.5% and 4.6% in root biomass productions and peanut yields were obtained when soil bulk density was decreased by 0.1 g cm−3. Our results suggest that the mitigation of soil compaction stress by deep plowing could be a key tillage strategy for increasing peanut yields in the field.
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影响因子：
2.6
作者：
Grzesiak, Maciej T.;Ostrowska, Agnieszka;Grzesiak, Stanisaw
通讯作者：
Grzesiak, Stanisaw
影响因子：
2.6
作者：
Grzesiak, S;Grzesiak, MT;Stabryla, J
通讯作者：
Stabryla, J
影响因子：
6.2
作者：
Huang, Manxiang;Liang, Tao;Zhou, Chenghu
通讯作者：
Zhou, Chenghu
影响因子：
8.7
作者：
Jemai, Imene;Ben Aissa, Nadhira;Gallali, Tahar
通讯作者：
Gallali, Tahar
影响因子：
4.9
作者：
Anikwe, MAN;Obi, ME;Agbim, NN
通讯作者：
Agbim, NN