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Showing 1 to 3 of 3 for “"Residual Fertilizer"”.
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Evaluation of the contribution of residual fertilizer phosphorus to phosphate status and plant growth under conservation agriculture practice
… P in soil after a few years of cultivation with fertilizer application. Measures to ensure efficient utilization of the residual P in soil can, therefore, of great importance, especially in acid soils where the amounts of residual P which is not plant available can be significant. This study was …
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Fate of ¹⁵N-depleted fertilizer N in a corn-rye cropping sequence: plant uptake and soil distribution
… consisted of varying amounts of ¹⁵N-depleted fertilizer N applied to corn (Zea mays L.) at planting followed by a winter rye (Secale cereale L.) cover crop treatment. The research was divided into four studies. The first study was conducted to evaluate an analytical procedure that could be …
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Relationships of soil test phosphorus with soil properties and phosphorus forms
… of Fe-P, reductant soluble P, occluded P, residual P, and organic P fractions was directly related to soil Fe₂O₃ and clay contents. The Al-P content was not markedly influenced by the clay content or pH. It was concluded that Fe-P, a dominant labile P form in agricultural soils was …