Co-application of biochar and cow manure enhances growth, yield and soil chemical properties under spinach production.
Wacal C, Buwa R, Nyakahuma J, Kirungi P, Tibasiima TK
Soil Health
Mixing charred wood scraps with aged manure before planting could transform your garden's exhausted beds into high-yielding soil without synthetic fertilizers.
Researchers in Uganda tried adding charred plant material (biochar) and cow manure to worn-out soil to see if spinach would grow better. Using both together worked dramatically — plants grew more than twice as tall and produced far more leaves than plants in untreated soil. The combo also improved the soil itself, making it richer in nutrients and better structured for future crops.
Key Findings
Co-applying biochar and cow manure produced the tallest spinach plants at 45.6 cm — 120% taller than the untreated control (20.7 cm)
The highest spinach yield of 22.5 t/ha came from the combined treatment, a 78% increase over biochar alone
Soil analysis showed strong positive links between plant growth and improved soil nitrogen, potassium, electrical conductivity, and pH under the combined treatment
chevron_right Technical Summary
Adding biochar and cow manure together to garden soil grew spinach plants 120% taller and nearly doubled yields compared to untreated plots — a practical, low-cost strategy for restoring depleted tropical soils.
Abstract Preview
Declining soil fertility remains a major constraint to vegetable production in tropical regions, necessitating sustainable and efficient nutrient management strategies. This study evaluated the eff...
open_in_new Read full abstractAbstract copyright held by the original publisher.
Species Mentioned
Was this useful?
Chloroplast Genome Editing Eliminates Gluten Immunogenicity in Triticum aestivum
It could mean that people with celiac disease — roughly 1 in 100 worldwide — may one day safely eat bread made from real wheat, without sacrificing the taste...
Spinach is a leafy green flowering plant native to Central and Western Asia. It is of the order Caryophyllales, family Amaranthaceae, subfamily Chenopodioideae. Its leaves are a common vegetable consumed either fresh, cooked or after storage. The taste differs considerably between cooked and raw:...