The livestock liquid commonly contains humic acid, amino acids and minerals; hence, it can be used for the fertilization of crops. These studies were conducted to examine the use of livestock fermented liquid in producing liquid fertilizers and irrigation application on two kinds of crops (tomato and wax apple). The experiments were designed as common liquid fertilizer and diluted by groundwater (CF), fermented livestock liquid fertilizer and diluted by groundwater (LF), fermented livestock liquid and diluted by groundwater (LL), fermented livestock liquid fertilizer and diluted by effluent (LFE), and the treatment of no liquid fertilizer (CK). The results showed that the highest values for fruit weight, width and length were obtained by the treatment of LF, and the sugar degree value was registered by the treatment of LFE. Hence, the treatment of LF was superior compared to CF. Analysis of microbiology in LF, CF and LL showed that the microorganisms’ species were most abundant in the LF compared to the other two samples. The main microorganisms were Bacillus mycoides and Bacillus subtilis. Anthracnose of mango was inhibited in specific isolates of the B. subtilis in LF. The results provided the primary information on reusing of livestock waste for crops.
Key words: Livestock liquid, effluent, tomato, wax apple
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