Field Crops Research · 2021
Cover crops promote primary crop yield in China: A meta-regression of factors affecting yield gain
Fan, F., van der Werf, W., Makowski, D., Ram Lamichhane, J., Huang, W., Li, C., Zhang, C., Cong, W. F., Zhang, F.
Abstract
No abstract in the library.
Findings
What changed what, as the paper reports it. Grouped by the measured property.
primary crop yield
↑ 3= 14
- increase
cover crops vs. fallowsignificant · China · National pooled effect, 53 publications,173 site-years,442comparisons; unweighted due to missing variances. Printed +/-3.7% not entered as SD/SE or CI endpoints.
Numbers
- percent_change 9.7, n = 442
Source · p. 5
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