Application of Organic Fertilizer Tithonia Plus to Control Iron Toxicity and Reduce Commercial Fertilizer Application on New Paddy Field

oleh Hakim, Nurhajati; Soil Science Department, Faculty of Agriculture Andalas University, ., Agustian; Soil Science Department, Faculty of Agriculture Andalas University, Mala, Yanti; Centre for Assessment Agricultural Technology (BPTP) West Sumatra
Terbitan: UNIVERSITY OF LAMPUNG, 2012