Journal
SOIL & TILLAGE RESEARCH
Volume 144, Issue -, Pages 133-140Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.still.2014.06.005
Keywords
Lysimeter; Rain shelter; Water use; Soil solution samplers; Wheat yield
Categories
Funding
- European Community within Seventh Framework Programme for Research, Technological Development and Demonstration Activities for the Integrated Project [NUE-CROPS FP7-CP-IP 222645]
- Natural Science Foundation of China [31171497]
- Special Fund for Agro-scientific Research in Public Interest [201203096, 201203100]
- National Basic Research Program (973 Program) [2011CB100105]
- National Science and Technology Ministry [2013BAD07B06-2]
Ask authors/readers for more resources
Excessive application of N fertilizer contributes substantially to high levels of nitrate (NO3--N) in surface and groundwater on Northern China. A trial was set up to quantify the fate of N within intensive wheat maize rotation system with a view to improve N and water use efficiencies. This paper describes the construction and testing of a lysimeter facility used for this trial. A 44 lysimeter/rain shelter facility was constructed at Shandong Agricultural University (SDAU). Each lysimeter was equipped with a neutron access tube for soil water monitoring and ceramic solution samplers for soil solutions collection. In order to precisely quantify water input, two rain shelters were used to exclude rainwater. The water balance showed that water outputs and inputs agree within 10% for all lysimeters, and that the average water used being 5% less than the total irrigation water supplied was considered as an acceptable error for such large lysimeters. Wheat grown in these devices was consistently higher than those grown with similar fertilizer management in a field located in Ling Xian due to enhanced soil fertility and irrigation in the devices. The facility was shown to be suitable for investigating water and nutrient balances of the root zone. (C) 2014 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available