Test research of different material made garbage enzyme’s effect to soil total nitrogen and organic matter
Yujie Tong, Bingguang Liu
Abstract
Abstract Garbage enzyme is made from fruit and vegetable wastes. Apple peel, dragon peel and eggplant peel are selected as to ferment for 6 months. The product has many active enzymes and microbiology flora. To research the effect of garbage enzyme to improve soil nutrient, self-made garbage enzyme is diluted in the ratio of 1:800 and irrigated to soil of flowerpot. Soil is irrigated by dilution once in two days for four weeks. Total nitrogen and organic matter are detected once per week. Test method of total nitrogen and organic matter is respectively Kjeldahl method and potassium dichromate method. Total nitrogen and organic matter background are respectively 1.61 g/kg and 24.32 g/kg. The results illustrate that garbage enzyme gradually increase soil total nitrogen and organic matter with the increase irrigation time. Soil sample’s total nitrogen of apple peel, dragon peel and eggplant begin to increase gradually and respectively peaked at 3.17 g/kg, 4.13 g/kg and 4.27 g/kg after 4 weeks irrigation. The content of total nitrogen is classified as the first level (>0.20 g/kg). After 4 weeks irrigation of dilution of garbage enzyme made from eggplant peel, the sample’s organic matter begins to increase gradually and peaked at 49.33 g/kg after 4 weeks. The content of organic matter is higher than background (24.32g/kg) and classified as the first level (>40 g/kg).