Water Tests (ppm NOT lbs) Average of water samples (If more than 1 taken): _____________ ppm Soil Tests (ppm NOT lbs) Composite sample 0” – 36” required for EVERY 80 acres or one per field.请输入所有所采集的所有深处样品的平均残留氮。土壤样品的平均值(如果超过1次):_______________ ppm有机物(仅在采集浅样品时):_______________ ppm评论:填写形式:_______________________________________________________________________________________________________________________________________________________________