Impact of Seabuckthorn Pomace Fermentation Fertilizer Coupled with Bacillus sp. T28 on Soil Properties and Chinese Cabbage Growth

Abstract

To study the effect of a microbial compound fertilizer on the soil properties and growth of Chinese cabbage, providing a basis for its application in the cultivation and production of Chinese cabbage. The seabuckthorn pomace fertilizer (JS) was prepared by fermentation and further, it was coupled with Bacillus sp. T28 (JSB). Four treatment experiments in pots were established, including the treatment group fertilized with JS (JS1), fertilized with JSB (JS1+ M), fertilized with Bacillus sp. T28 (M) and fertilized with water (CK). The effects of the compound microbial fertilizer on the pH, Organic Matter (OM), alkali-hydrolyzed Nitrogen (N), available Phosphorus (P), available potassium (K) of the soil and on the dry weight, nitrogen, phosphorus, potassium of Chinese cabbage were studied. The compound microbial fertilizer of JSB had a better positive effect on both soil and Chinese cabbage than other treatments (p<0.01). The use of Bacillus sp. T28 alone could also improve OM, N, P, and K of the soil and the dry weight, nitrogen, phosphorus, and potassium of Chinese cabbage. The use of JS alone could improve OM, N, P, and K of the soil, but decrease the dry weight, nitrogen, phosphorus, and potassium of Chinese cabbage. It was related to the fact that the JS contained a lot of organic acids, which reduced the soil pH which couldn’t meet Chinese cabbage. It is concluded that the seabuckthorn pomace fertilizer coupled with Bacillus sp. T28 had a synergistic effect, which had a potential application in agriculture.