E3S Web Conf.
Volume 53, 20182018 3rd International Conference on Advances in Energy and Environment Research (ICAEER 2018)
|Number of page(s)||7|
|Section||Environmental Protection, Pollution and Treatment|
|Published online||14 September 2018|
The effect of peach-soybean intercropping system with straw mulching on N and P losses, surface runoff in Dianchi Lake watershed mountain area, Yunnan province, China
College of Horticulture and Landscape, Yunnan Agricultural University, Kunming 650201, China
2 College of Resources and Environment at Yunnan Agricultural University, Kunming, P. R. China.
* Corresponding author: firstname.lastname@example.org
Field experiments were conducted with peach (local variety)-soybean intercropping system as an agro-forestry community. The results showed that the reduction rate of CODcr losses were 24.31%, 50.50% and 65.19% respectively under the precipitation strength between 25mm d-1 and 100 mm d-1 with treatments of 36 kg plot-1, 54 kg plot-1 and 72 kg plot-1 straw mulching. The reduction rate of NH4+-N losses were 12.56%, 49.38% and 58.60%, respectively; The reduction rate of NO3--N losses were 27.78%, 9.55% and 58.61%, respectively; The reduction rate of TN losses were 3.85%, 31.67% and 56.01%, respectively. The reduction rate of TP losses were 23.02%, 30.19% and 42.65%, respectively. The yields of soybean increased by 24.09%, 47.46% and 93.84%, respectively. Peach-soybean intercropping with straw mulching could decrease the runoff losses of nitrogen and phosphorus with time effect for reducing non-point sources pollution losses.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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