H. Kwak

Comparison of Soil Testing Methods for Plant Available Phosphate

Yong Seon Zhang, Yoo-Hak Kim, Seong-Soo Kang, 2013 .

Changes in Chemical Properties and Fauna of Plastic Film House Soil by Application of Chemical Fertilizer and Composted Pig Manure

Sang-Beom Lee, K. Roh, Min-Su Han, 2003 .

Changes in Rice Yield and Soil Organic Matter Content under Continued Application of Rice Straw Compost for 50 Years in Paddy Soil

Youhong Song, Hyun-Jun Cho, Chong-Ho Kim, 2007 .

Growth and Yield Response of Chinese Cabbage and Radish on Application of Potassium Chloride Fertilizer

Yo-Sung Song, Jung-Hui Yoon, H. Kwak, 2003 .

Mathematical Description of Soil Loss by Runoff at Inclined Upland of Maize Cultivation

K. Jung, S. Hur, Jeong-Gyu Kim, 2005 .

Changes in Rice Yield and Soil Properties under Continued Application of Chemical Fertilizer for 50 Years in Paddy Soil

Youhong Song, Chong-Ho Kim, H. Kwak, 2007 .