Open AccessThe Effect of Humic Acid on Productivity and Nitrogen Uptake in Kangkong (Ipomoea reptans Poir.)
Author(s) -
Deris Trian Rahmandhias,
Diah Rachmawati
Publication year - 2020
Publication title -
jurnal ilmu pertanian indonesia
Language(s) - English
Resource type - Journals
eISSN - 2443-3462
pISSN - 0853-4217
DOI - 10.18343/jipi.25.2.318
Subject(s) - humic acid , crop productivity , nitrogen , chemistry , nutrient , sowing , agronomy , productivity , chlorophyll , phosphorus , crop , horticulture , biology , fertilizer , macroeconomics , organic chemistry , economics