A system of crop and soil management for the wet season production of food crops on a heavy clay soil in Guyana: 2. Effect of mulching and tillage on germination, growth, nutrient uptake and yield

Leslie A. Simpson, Frank A. Gumbs


The effects of tillage and the application of vegetative mulch to a heavy clay soil in the minor and major wet seasons were studied. Mulching in the minor wet season increased germination, growth. N and P uptake in cowpeas. Mulch applied in the major wet season decreased germination, growth and cob yield in maize, with tillage having little effect.


Mulching; Tillage; Germination; Growth; Nutrient uptake; Yield; Cowpeas; Maize; Heavy clay soil; Guyana

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