<![CDATA[Post-tin mining land is dominated by sand fractions and low in organic C content and essential macro nutrients. High yield of elephant grass can be produced on land containing sufficient and constantly available nutrients. The aim of this research was to determine the effects of ameliorants consisting of mycorrhizae and NPK fertilizer on the growth and yield of elephant grass plants in post-tin mining land. This research was arranged in a randomized complete block design with a combination of mycorrhizae and NPK fertilizer doses. Treatments consisted of control (without mycorrhizae and NPK), NPK 100%, mycorrhizae + NPK 25%, mycorrhizae + NPK 50%, and mycorrhizae + NPK 100%. The recommended dose of NPK 100% was 300 kg/ha. The research results demonstrated significant effects of mycorrhizae and NPK fertilizer doses combination on the plant height, number of clumps, and crop production per plot. Applying NPK fertilizer 100% to elephant grass plants resulted in the highest ratoon yields in post-tin mining land.]]>
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