Increased Available Phosphate by Shell Meal Fertilizer Application in Upland Soil
2005
Lee, C.H. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, J.Y. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Ha, B.H. (Namhae Chemical Co., Yeosu, Republic of Korea) | Kim, P.J. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: [email protected]
Previous studies showed that shell meal fertilizer from the oyster farming industry could be a potential inorganic oil amendment to increase Chinese cabbage productivity and to restore the soil nutrient balance in upland soil (Lee et al., 2004). Herein, shell meal fertilizer was applied at rates of 0, 4, 8, 12, and 16 Mg ha-¹ to upland soil (Pyeontaeg series, Fine silty, Typic Endoaquepts) for Chinese cabbage cultivation. We found available phosphate increased significantly with shell meal fertilizer application, due to high content of phosphate (1.5 g P₂O∧5 kg-¹) in the applied shell meal fertilizer.
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