Potassium and magnesium fertilizer rationing on coconut palms.
Abstract
In a trial carried out on PB 121 hybrid coconut palms on tertiary sands in the Cote d'Ivoire, with a Pueraria cover crop and restoration of husks to the soil, the palms withstood considerable temporary reductions in conventional fertilizer application rates. Leaf contents for mineral nutrients did not reveal any significant deficiencies and yields only dropped by 8% six years after fertilizer application was totally suspended. Husks returned 155200 kg potassium chloride per ha per year to the soiland 2533 kg of kieserite. Incluye 4 referencias bibliográficas. In a trial carried out on PB 121 hybrid coconut palms on tertiary sands in the Cote d'Ivoire, with a Pueraria cover crop and restoration of husks to the soil, the palms withstood considerable temporary reductions in conventional fertilizer application rates. Leaf contents for mineral nutrients did not reveal any significant deficiencies and yields only dropped by 8% six years after fertilizer application was totally suspended. Husks returned 155200 kg potassium chloride per ha per year to the soiland 2533 kg of kieserite.
In a trial carried out on PB 121 hybrid coconut palms on tertiary sands in the Cote d'Ivoire, with a Pueraria cover crop and restoration of husks to the soil, the palms withstood considerable temporary reductions in conventional fertilizer application rates. Leaf contents for mineral nutrients did not reveal any significant deficiencies and yields only dropped by 8% six years after fertilizer application was totally suspended. Husks returned 155200 kg potassium chloride per ha per year to the soiland 2533 kg of kieserite.
Palabras clave:
Cocos nucifera.
Cote d'Ivoire
cover crops
fertilizers
magnesium
plant nutrition
plant residues
potassium
responses
soil amendments
tropical crops
utilization
Cover crops
Fertilizers
Fertilizers
Magnesium
Plants
Plants
Potassium
Soil amendments
Tropical crops
Food.
Cocos nucifera.
Cote d'Ivoire
cover crops
fertilizers
magnesium
plant nutrition
plant residues
potassium
responses
soil amendments
tropical crops
utilization
Cover crops
Fertilizers
Fertilizers
Magnesium
Plants
Plants
Potassium
Soil amendments
Tropical crops
Food.