'Pakistan to boost soybean yield by using China’s intercropping technology'
BEIJING - China’s maize-soybean strip intercropping technology is applicable all over Pakistan and it can boost maize yield as well as create an additional soybean harvest to reduce Pakistan’s soybean imports and improve the country’s food security, Yang Wenyu, the professor of Sichuan Agricultural University, Chengdu said.
Prof Yang Wenyu developed this technology and provided generous support to two Pakistani students of his university who are using and popularizing this technology in their hometown, China Economic Net reported on Sunday.
“There’s a lack of soybean production in Pakistan. Pakistan is China’s iron brother.
We are willing to offer support to help Pakistan bridge the gap between domestic production and imports,” Yang Wenyu said.
It’s he who initially formulated the idea of introducing this technology to Pakistan. His team has been supporting the two students Muhammad Ali Raza and Sajad Hussain to make demonstrations in Pakistan both technically and financially the whole time since 2018.
The application of maize-soybean strip intercropping technology in Pakistan has a theoretical and practical basis. First, Pakistan has a large population while the area of arable land is limited. It has the demand to develop intercropping to grow two crops together.
Second, Pakistan enjoys ample sunlight, which is a favorable natural condition for soybean’s growth. Moreover, in the intercropping fields, maize can shade soybean to reduce the high average temperature’s impact, and nitrogen fixation by soybean can promote maize’s growth in return.
The crops in this model are like close partners that cooperate with each other to create bumper harvests.
Forecasted by Yang Wenyu, by using maize-soybean strip intercropping technology, the yield of maize can reach 10,500 kg per hectare with an additional 1,350 to 1,650 kg/ha soybean production in Pakistan’s irrigated areas.
In rainfed areas, the production of maize and soybean can rise to 6,000 kg/ha and 4,500 to 1,500 kg/ha respectively. At present, maize is grown in an area of about 1.3 million hectares in Pakistan.
In this way, the nation’s maize yield can be guaranteed and greatly increased. More importantly, Pakistani farmers can harvest considerable soybean meanwhile. That will definitely generate a sizeable economic benefit for Pakistani people.
At first, there were some doubts about the technology’s performance because many local farmers had not seen this kind of farming model before. “As long as they follow our technical instructions to plant the two crops, this technology is sure to work out,” Yang said with confidence.
“Actually many countries are researching into intercropping. But across the globe our maize-soybean strip intercropping may be the only mature intercropping system that is well-equipped with all-around technologies of field configuration, fertilization, pest control, etc. and promoted on such a massive scale.”
Furthermore, this technology has realized mechanization from sowing seeds, crop management to harvest.
It should be noted that after 18 years’ research and development, in February 2020, Yang Wenyu’s maize-soybean strip intercropping technology was included in China’s “No. 1 Central Document” of top-priority by CPC Central Committee and the State Council of the People’s Republic of China to be promoted vigorously and widely in more regions of China.
Besides Pakistan, it also has been introduced to Africa and Europe such as Ghana and Sweden. Yang Wenyu’s team is working with the Swedish University of Agricultural Sciences to promote technology in European countries.
In Pakistan, so far four demonstrations have been arranged separately in Bahawalpur, Chakwal, Islamabad, and Layyah. Yang Wenyu’s team is cooperating with Pakistan’s National Agriculture Research Center and PMAS-Arid Agriculture University to build high-yield demonstrations.
“High-yield demonstrations in different regions will prove the technology’s value and receive local people and government’s recognition,” said Yang.
They are also working on technical parameters specifically for Pakistan. Developing maize-soybean intercropping technology in Pakistan is like a cause of common good because every Pakistani farmer can learn and master this technology for free. It’s knowledge, not a product.
Therefore, Yang Wenyu’s team deserves to be further supported bilaterally. As agriculture is among the six key socio-economic fields under China-Pakistan Economic Corridor (CPEC) cooperation, they believe the fruition of maize-soybean strip intercropping technology will bring more benefits to Pakistani and Chinese people in the future.
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