Core Insights - The innovative method of raising silkworms on sand using willow leaves has shown promising results, with an average yield of 40 pounds of cocoons per acre, selling at 35 yuan per pound, allowing for same-year returns on investment [3][4]. Group 1: New Cultivation Method - The new approach involves cultivating silkworms in sandy areas using willow leaves instead of traditional mulberry leaves, which is a first in Liaoning province [3]. - The willow species used, known as middle-leaf willow, has proven to be well-suited for both the sandy soil and silkworm rearing, outperforming traditional mulberry trees [3]. Group 2: Economic Benefits - The cultivation cycle for silkworms is significantly shorter, taking only about 40 days from hatching to cocoon production, which is 20 to 30 days faster than traditional methods [3]. - The economic model allows for continuous income, as the willow can be harvested for up to 30 years with minimal maintenance after initial planting [3][4]. Group 3: Market Demand and Additional Revenue - The demand for willow branches is high, with potential earnings from selling cut branches, which can yield up to 20,000 segments per acre, each selling for 0.3 yuan [4]. - The by-products of willow cultivation, such as crushed branches, can be utilized for animal feed and mushroom cultivation, providing additional revenue streams [4].