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Long-term effects of potassium fertilization on yield, efficiency, and soil fertility status in a rain-fed maize system in northeast China.
- Source :
-
Field Crops Research . Jul2014, Vol. 163, p1-9. 9p. - Publication Year :
- 2014
-
Abstract
- Highlights: [•] We investigated the long term effects of K application on K use and soil status. [•] K increased grain yield, but this effect decreased with excessive application. [•] Returned straw, deep soil K utilization, weathering soil K pools may alleviate soil K deficits. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03784290
- Volume :
- 163
- Database :
- Academic Search Index
- Journal :
- Field Crops Research
- Publication Type :
- Academic Journal
- Accession number :
- 96187370
- Full Text :
- https://doi.org/10.1016/j.fcr.2014.04.016