Combined 40 kg N ha-1 and 30 t ha-1 manure significantly reduced Striga emergence.

nitrogen · Striga · Zea mays (maize)Results differ

12 papers in the same direction as this claim · 1 in the opposite direction

1. positive
   N benefits were evident at high and low P.

   Nitrogen, phosphorus and potassium effects on the incidence of Striga asiatica (L.) Kuntze in maize · 1985 · compared with high and low‐P plots

   Same directionCited by this paper

2. no effect
   Striga population density did not differ between nitrogen sources in 1990–1991.

   Effect of rate and time of nitrogen fertilizer application on Striga hermonthica infestation in field-grown maize · 1997 · compared with two sources of nitrogen

   Opposite direction

3. positive
   Nitrogen application suppressed Striga infection except in Bauchi in 2014.

   Mitigating Striga hermonthica parasitism and damage in maize using soybean rotation, nitrogen application, and Striga -resistant varieties in the Nigerian savannas · 2020

   Same direction

4. positive
   Nitrogen significantly reduced damage to maize.

   Cultivar and nitrogen fertilization effects on Striga infestation and grain yield of early maturing tropical maize · 2007

   Same direction

5. positive
   120 kg N ha−1 reduced emerged Striga in early maize varieties.

   Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation withStriga hermonthica(Del.) Benth · 2009

   Same direction

6. positive
   High N application (120 kg per ha) significantly reduced Striga infestation within five years.

   Observations on field infection by witchweed (Striga species) on maize in West and Central Africa · 1997

   Same direction

7. positive
   Nitrogen at 60–120 kg ha-1 significantly reduced Striga damage to maize.

   Maize/ Joint Velch Intercropping and N Fertilization Effects on Striga Infestation and Maize Grain Yield in the Southern Guinea Savanna of Nigeria · 2019

   Same direction

8. positive
   Calliandra at 45 kg N ha-1 plus urea at 30 kg N ha-1 lowered Striga infestation relative to other treatments.

   Effects of Integrated Use of Calliandra calothyrsus and Maize Stover with Urea on Soil Mineral Nitrogen, Striga Infestation and Maize Yields in Western Kenya · 2020 · compared with other treatments

   Same direction

5 papers more in this group

fertilization · Striga · Zea mays (maize)Positive and negative results

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

1. no effect
   Fertilisation played no significant role in Striga emergence in maize fields.

   Soil fertility status and Striga hermonthica infestation relationship due to management practices in Western Kenya · 2012 · compared with without fertilization

   Opposite direction

2. negative
   Maize response to phosphorus fertilizer was poor at Malanga, mainly due to Striga infestation.

   Evaluation of crop arrangement and phosphorus rate on performance of maize-common bean intercropping in western Kenya · 2020

   Opposite direction

3. positive
   N fertilizer on DH maize reduced Striga emergence by 5 shoots m−2 on average.

   Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety · 2023

   Same direction

4. positive
   Sesbania sesban green manure after a two-year fallow reduced Striga infestation from 10.8 to 0.8 counts/8 m2 relative to unfertilized plots.

   Effect of Sesbania sesban fallows on Striga infestation and maize yield in Tabora Region of Western Tanzania · 2011 · compared with unfertized plots

   Same direction

5. positive
   Combined application of 40 kg N ha-1 and 30 t ha-1 manure significantly reduced Striga emergence.

   INTEGRATED NUTRIENT MANAGEMENT STRATEGIES FOR SOIL FERTILITYIMPROVEMENT AND STRIGA CONTROL IN NORTHERN ETHIOPIA · 2000

   Same direction