TY  - BOOK
AU  - JASBIR Singh
TI  - Tillage effects on wheat in relation to irrigation frequency and nitrogen rates on a sand soil
U1  - T 633.11 J35T 
PY  - 1991///
CY  - Ludhiana
PB  - PAU
KW  - WHEAT -- IRRIGATION
KW  - PLANTS EFFECTS OF NITROGEN ON
KW  - SOIL PHYSICS
KW  - SOILS
KW  - TILLAGE
KW  - WHEAT
N2  - A field study was conducted during 1990-91 on low retentive. highly permeable sand (KhanpurUstipsamment) soil to study the interactive effects of tillage. irrigation frequency and fertilizer nitrogen rates in wheat Deep tillage decreased bulk 'density and
ER  -