CropsA 40-bushel soybean crop removes about 35 lb/acre of P2O5 and 46 lb of K2O; Manitoba specialists say growers should replace phosphorus and potassium across the whole rotation rather than in the soybean year.
CropsThe environment ministry says a pilot this year will supply surplus soil from canal excavation to licensed brick kilns as raw material; some 8,000 kilns now burn farmland topsoil.
Landowners in Kurakhal, West Bangra, say soil and sand have been pumped from about six acres of farmland without permission; the upazila agriculture officer says Muradnagar and Bangra lost 147 hectares of cropland in five years.
IITA's Soil Values Program trained 20 team leaders, surveyors and technical staff in standardised soil sampling and digital data capture before they were deployed to map soil fertility constraints in two Niger watersheds.
