Nitrogen movement in water draining from irrigated riceland

ग्रंथसूची विवरण
मुख्य लेखक:	Singh, Virendra Pal 1951-
स्वरूप:	पुस्तक
भाषा:	English
विषय:	Nitrogen. Irrigation water > Philippines > Laguna. Rice > Philippines > Laguna--Soils. Water quality management > Philippines > Laguna.