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Characterizing soil phosphorus supply on aggrading and degrading management regimes
Practical concerns regarding P fertility usually focus on crop maturity and quality. However, on highly degraded soils P supply can be so low as to limit grain yield. A study of soils treated with conservation and conventional ...
Crop growth as affected by bio-energy byproducts application
This study aimed to examine the effect of bio-energy byproducts (BEB) when applied directly or indirectly through manure production on crop yield. It consisted of three field experiments. The first experiment investigated ...