"In the last two years my yield has jumped to 35 bags of rice against the 20 I was getting in previous years," Haruna, who is in his 40s with craggy features and a wooden hoe over his shoulder.
"Rice farming has greatly improved. I have had better yield and better price in the market," he told AFP at his farm at Dawakin Tofa, on the outskirts of Kano.
Today about 5.7 million tonnes of rice being are produced every year - three times as much as a decade ago.
"We are now living a white gold revolution," said Francis Nwilene, the Nigeria director of the AfricaRice research centre.
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"People understand that oil is not something Nigeria can depend on anymore."
The potential is undeniable. But despite having vast tracts of fertile land, Nigeria - the largest consumer of rice in Africa - is also one of the world's biggest importers of the food staple.
"Rice processing is by far more profitable than flour and chicken feed," said production manager Salisu Saleh.
"Rice is a major food staple in our society which only few can live without."
In a sign of rice's paramount role in Nigerian society, a "Jollof price index" - named after a popular savoury fried rice dish - was launched by an advisory firm in June to measure food inflation.
With domestic demand approaching 7.8 million tonnes per year, almost a quarter of Nigeria's rice comes from abroad, mainly India and Thailand.
"Smuggling is a major issue which discourages local production," explained Nwilene.
The government has said it believes Nigeria can be self- sufficient in rice production within a couple of years and is trying to plug gaps from cheaper imports.
Small-scale farmers, who make up the majority of the rice producers, face numerous challenges, not least access to land.
Production facilities are also inefficient and costs high, while there are not enough ways for farmers to commercialise their products.
"I have a large farm but I can only cultivate a fraction because of my limited resources," he explained.
To boost local production, Abuja banned rice imports by land in 2015 and launched an ambitious aid programme overseen by the central bank targeting some 600,000 farmers.