PHA showed a worse effect than HA on the uptake of nitrogen, phosphorus and potassium by maize seedlings.

phosphate · nutrient: content · Zea mays (maize)Positive and negative results

2 papers in the same direction as this claim · 5 in the opposite direction

1. positive
   PW and DCP in a 2:1 P ratio gave the highest maize phosphorus uptake.

   Yield and phosphorus-uptake by crops as influenced by chemical fertilizer and integrated use of industrial by-products · 2005

   Opposite direction

2. positive
   Deep phosphate application significantly reduced soil nitrogen content, especially below 20 cm.

   The root-layer regulation based on the depth of phosphate fertilizer application of summer maize improves soil nitrogen absorption and utilization · 2019

   Opposite direction

3. positive
   Phosphate fertilizer increased aboveground phosphorus uptake in intercropped maize and broad bean.

   Effect of Application of Phosphate Fertilizer on Absorption of Nutrient for Maize and Broad Bean Intercropping System · 2012

   Opposite direction

4. positive
   Modified phosphate fertilizers increased plant phosphorus uptake.

   Research on electron paramagnetic resonance of modified phosphate fertilizers · 2004

   Opposite direction

5. positive
   Zeolite with fertilizers raised corn nitrogen, phosphorus and potassium uptake.

   Effect of natural zeolite on soil nutrient bioavailability and soil chernical properties · 2001

   Opposite direction

6. negative
   Corn seedlings took up less P when phosphate was added to soil.

   Partially Acidulated Rock Phosphate as a Source of Phosphorus to Plants: I. Growth Chamber Studies · 1964 · compared with sand

   Same direction

7. no effect
   Increasing phosphate fertilizer at depth did not increase maize phosphorus accumulation, even under water stress.

   Interference from the vertical variation of soil phosphorus and from water stress on growth in maize, the soybean and sunflower · 2017

   Same direction

fertilization · nutrient: content · Zea mays (maize)Positive and negative results

137 papers in the same direction as this claim · 1,026 in the opposite direction

1. positive
   Phosphorus-based manure or compost application significantly reduced soil available P compared with N-based treatments after 4 years.

   Phosphorus‐ and Nitrogen‐Based Manure and Compost Applications Corn Production and Soil Phosphorus · 1999 · compared with N‐based treatments

   Opposite direction

2. positive
   Inoculant, fertilizer and their interactions significantly enhanced corn grain nitrogen content in 2006.

   Enhanced plant nutrient use efficiency with PGPR and AMF in an integrated nutrient management system · 2008

   Opposite direction

3. positive
   Inorganic fertilizers alone or combined with organic manures increased soil organic carbon and N, P, and K contents.

   Effects of organic and inorganic manures on maize and their residual impact on soil physico-chemical properties · 2017

   Opposite direction

4. positive
   Combined biofertilizer and organic fertilizer enhanced maize nutrient uptake.

   The Integration of Bio and Organic Fertilizers Improve Plant Growth, Grain Yield, Quality and Metabolism of Hybrid Maize (Zea mays L.) · 2020

   Opposite direction

5. positive
   N fertilizer increased corn N uptake.

   Nitrogen Fertilizer and Dairy Manure Effects on Corn Yield and Soil Nitrate · 1992

   Opposite direction

6. positive
   Poultry manure application increased soil N levels by over 53%, from 0.09% to 0.14%.

   Poultry manure effect on growth and yield of maize · 2009

   Opposite direction

7. positive
   BPF plus full NP gave the highest maize P uptake.

   Enhancing crop growth, nutrients availability, economics and beneficial rhizosphere microflora through organic and biofertilizers · 2007

   Opposite direction

8. positive
   Nitrate leaching from sole manure treatments was relatively low, at less than 20 kg N ha(-1) yr(-1) on average.

   Fertilizer Use Efficiency and Nitrate Leaching in a Tropical Sandy Soil · 2003

   Opposite direction

1,155 papers more in this group