Application of Goat Manure and Coconut Shell Biochar to Improve the Growth and Yield of Lettuce (Lactuca sativa L.) on Inland Peat Soil
This study evaluated the effects of goat manure and coconut shell biochar on the growth and yield of lettuce (*Lactuca sativa* L.) cultivated in inland peat soil and identified the most effective combination of application rates. The experiment was conducted from March to July 2026 using a factorial completely randomiz...