Sfoglia per Soggetto "residual nitrogen"
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Nitrogen, Phosphorus, and Potassium Availability in Manure- and Sewage Sludge-Applied Soil
(2015)A field experiment with wheat (Triticum aestivum L.) was established over two growing seasons where farmyard manure and sewage sludge, along with conventional fertilizer, were added to soil. We found that ammonium N was ...