Simon Muti Mbuvi

Effects of Different forms of Chitosan Manure and DAP Fertilizer on Grain Yield, Biomass and Harvest Index of PH-4 Maize in Kilifi County

Simon Muti Mbuvi, Eunice Monthe John & Allan Humphrey Mwajoha · Journal of Agriculture and Ecology Research International · 2026

Sustaining soil fertility in maize producing areas in Kilifi County is a major challenge. The high cost of inorganic fertilizers, shortened fallow period and poor vegetation regrowth has adversely affected natural processes that replenish soil fertility resulting in poor yields....

Open access Research Article 10.9734/jaeri/2026/v27i2737

Occurrence, Distribution and Molecular Identification of Candidatus Phytoplasma Strain Causing CLYD in Coastal Region of Kenya

John Muithya Muli, Simon Muti Mbuvi & Rose Kigathi · International Journal of Plant & Soil Science · 2026

Coconut lethal yellowing disease (CLYD) caused by phytoplasma is a destructive disease affecting coconut and other palm species. The disease has been reported in Mozambique, Tanzania, and some West African countries, where millions of coconut trees have been affected. Although th...

Open access Research Article 10.9734/ijpss/2026/v38i25973

Effects of NPK Fertilizer and Super Absorbent Polymer on Soil Moisture, Water Use Efficiency, Growth and Yield of Amaranthus (Amaranthus dubius) in Kilifi County

Kemunto Dorine Onyinkwa, Elisha Otieno Gogo & Simon Muti Mbuvi · Asian Journal of Soil Science and Plant Nutrition · 2025

Amaranth is an important leafy vegetable crop that provides nutrition inform of vitamins, minerals, anti-oxidants and other health benefits to humans. It does well in a variety of climatic conditions so long as the soils are of fertile, free draining and of good moisture availabi...

Open access Research Article 10.9734/ajsspn/2025/v11i4614