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On-farm Demonstration: Improved Weed Control Help Nigerian Farmers Record 27tons/ha


The International Institute of Tropical Agriculture (IITA) Cassava Weed Management Project (CWMP) have helped On-farm demonstrations in Ogun produce average yields of 27 tons per hectare.

In a statement to LEADERSHIP, Wednesday, it said this surpasses the national average of about 8 tons/ha.

The statement revealed that the demonstrations were conducted in 2016 in the three senatorial districts of Ogun states using an integrated weed control package developed by the IITA-CWMP.

Presenting the results during the Joint Quarterly Review Meeting of the project in Abeokuta,a scientist at the Federal University of Agriculture Abeokuta (FUNAAB) Dr Patience Olorunmaiye, said “the yield from the demonstration plots were impressive and a proof of concept that if farmers adopted improved weed management practices, they would be better off”

The highest yield from the demonstration farms was 32 tons/ha with 96 percent of the demonstration farms recording more than 20 tons/ha.

Principal Investigator of the IITA-CWMP Prof Friday Ekeleme, said the results clearly show that weeds were a major factor limiting the potential of cassava in Africa.

Dr Patience Olorunmaiye said “In the last four years, the IITA-CWMP with funds from the Bill & Melinda Gates Foundation made a bold decision to unravel the puzzle of weeds menace in cassava”

Working with a coalition of partners including the Federal University of Agriculture Abeokuta, University of Agriculture Makurdi, the National Root Crops Research Institute, and extension partners; the team set up trials in the three agroecological zones of the country including the humid forest, derived savannah and the southern guinea savannah. These trials led to the selection of safe and environmentally friendly herbicides with other agronomic practices that formed the package that was used in setting up the demos in Ogun and other states of Nigeria (Abia, Benue, and Oyo). Results from the other states are also being compiled for analysis.
Prof. Ekeleme said the results indicated that the project was achieving one of its major objectives, which is to double the national average yield of cassava, generate wealth, and reduce the burden of weeding in cassava farming systems.
Grown by over 4.5 million people in Nigeria, cassava is a major staple contributing to food security and wealth of the nation. Although Nigeria is a major producer of the root crop accounting for over 54 million tons per annum, average yield per ha is low with weeds being fingered as a major block.
Researchers say farmers cannot grow cassava more than they can weed—a situation that limits farm size and subject farmers to perpetual penury.

A director with IITA and Project Leader for IITA-CWMP Dr Alfred Dixon, said the project would help Nigeria change the narrative of cassava production.
He called on the government of Nigeria to partner IITA in scaling up the findings of the project to millions of cassava farmers for national development and poverty reduction.

The Project Leader commended the Justice Development and Peace Movement (JDPM) in Oyo, Justice Development and Peace Movement (JDPM) in Ogun, Abia State Agricultural Development Program, Benue Agriculture and Rural Development Authority (BNARDA), Ogun State Agricultural Development Program (OGADEP), and Oyo State Agricultural Development Program (OYSADEP) for their support in setting up the demonstrations across the states.

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