TY - BOOK AU - BHAT, Ashok Kumar TI - Methane formation in Punjab soils under rice ecosystem U1 - T 631.433 B51M PY - 1994/// CY - Ludhiana PB - PAU KW - SOIL AIR KW - METHANE -- THERMAL PROPERTIES KW - RICE -- ENVIRONMENTAL ASPECTS KW - SOIL MICROBLLOGRICE KW - SOILS N2 - Afternoon hours (3 to 7 pm) emitted more methane than forenoon Diumal changes in soil temperature correlated with diurnal variations in methane flux (r=0832) During rice growing period 237,353,528,941 and 374 kg methane ha-1 were produced from the control ER -