(We Chinese in America Media Editor Tang Zhao, April 23, 2022) Coffee grounds not only produce high yields in planting vegetables, but the field studies also have found that they can also repel insects and inhibit bacteria (Coffee grounds. Image from Mashed).

The Department of Horticulture at National Taiwan University collaborated with coffee industry industry-academia research and found that organic composting of coffee grounds can double the yield of leafy vegetables, and coffee grounds extract can prevent Kumquats from being harmed by Spodoptera mites; untreated coffee grounds can also be used for fertilization, but the amount is Preferably below 2%.

Taiwan's coffee consumption continues to grow, how to use the coffee grounds after drinking, entering the precision greenhouse of the experimental farm of National Taiwan University, rows of water spinach, wrinkled or rolled leaf lettuce, Fukuyama lettuce (commonly known as mainland girl) and other common leafy vegetables, divided into the control group using general basal fertilizer, and each experimental group adding different proportions of coffee grounds organic compost, the answer is clear at a glance.

Lin Shuyi, associate professor of the Department of Horticulture and Landscape Studies at National Taiwan University, pointed out that using 10% organic compost with coffee grounds in the early stage of growth of water spinach seedlings can increase the fresh weight of water spinach by 105%.

In the compost tank outside the precision greenhouse, different proportions of coffee grounds and soybean meal base fertilizer are being tested. Lin Shuyi said that the organic composting of coffee grounds takes 3 months to ferment and mature. After field trials, 30 to 40 common leafy vegetables are suitable for organic compost coffee grounds; if untreated coffee grounds are used directly, the dosage should not exceed 2%, so as to avoid high temperature fermentation, secondary products, and pH changes that are harmful to crop growth.

Many people think of organic vegetables and fruits as being bitten by insects and sold differently, but Lin Shuyi said that the extract obtained by soaking coffee grounds in water in a certain proportion and stirring for 3 days, sprinkled on the leaves of kumquats, which are prone to pests, can effectively reduce 53% of the gnawing of leaf miners, and the leaching solution diluted 50 times can also inhibit anthracnose, and exert the benefits of repelling insects, inhibiting bacteria and stabilizing growth.

(Source: Central News Agency)

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