by PressChina actively embraces corn and soybean fields
Corn and soybean fields as a way to boost crop production
China is systematically implementing an agricultural transformation programme. The aim is to achieve a degree of food self-sufficiency. As part of this, local farmers are planting corn and soybean fields to improve production efficiency.
This approach involves careful selection of soybean varieties. They need to be shade-tolerant, as corn stalks restrict sunlight. Scientists led by Zhang Yanjun took on the task of selecting the plants. They tested different varieties and identified several that were compatible with each other. The researchers also chose the optimum planting density. As a result, the scientists have given Chinese farmers all the tools they need to achieve high yields. This applies to both corn and soybeans.
Advantages of the technology
Combined cropping first came up for discussion in China in 2022. At that time, a number of counties began experimenting with combining crops in the same field. Farmer Chen Shiming was one of the first to try a new approach. Growing corn and soybeans in the same field at the same time produced excellent results. The net profit per 0.6 hectare was 400 yuan higher than when the crops were sown separately.
Advantages of strip planting:
— suitable for mechanised farming;
— soybean retains nitrogen in the soil, which improves corn nutrition;
— plants get good aeration and water retention due to different emergence heights;
— double cropping helps to reduce carbon emissions from agricultural activities;
— helps maintain soil fertility in the fields.
High-yielding varieties can achieve maximum results from the technology. Farmers also prefer corn and soybean varieties that are resistant to common diseases and parasites.
In addition, the use of quality seed from trusted suppliers is an essential prerequisite for co-production.
The Gansu experience
The progressive province, in this case, is Gansu. Here, local authorities are implementing a comprehensive programme to increase crop production. It is based on five components:
— fertilised land;
— quality seeds;
— modern cultivation methods;
— well-designed nutrition and plant care systems;
— ample opportunities for innovation.
This approach has already yielded positive results. Farmers in the province are seeing increases in both bean and corn yields. Under the Gansu programme, scientists are recommending a total of 110 varieties for participatory field planting. Of these, 38 are corn varieties, and 17 are soybean varieties. They have high disease resistance and good productivity. The programme’s authors also recommend the use of specific farming techniques. They pay particular attention to irrigation management. The water problem is solved thanks to the drip system. Fertiliser application is also controlled. According to the data, the planting density in the province has increased by 50 to 100 plants per hectare.