机译:CROP-WEED干扰影响豆科或合成肥料氮源。1。绛车轴草、甜玉米和LAMBSQUARTERS
Dyck E, UNIV MAINE, DEPT APPL ECOL & ENVIRONM SCI, ORONO, ME 04469, USA;
cover plants; Chenopodium album; Residuesgreen manuresClovertillagesweet cornTrifolium incarnatumNitrogen fertilizersZea maysLegumes;