权威例句
Improvement of Planosol Solum: Part 7, Mechanical Properties of SoilsImprovement of Planosol Solum. Part 9: Fertilizer Distributor for SubsoilImprovement of Planosol Solum: Part 6, Field Experiments with a Three-Stage Subsoil Mixing PloughImprovement of Planosol Solum: Part 5, Soil Bin Experiments with a Three-stage Subsoil Mixing PloughImprovement of Planosol Solum: Part 4, Field Experiments with Prototype Roll-In and Drop-Down PloughsImprovement of Planosol Solum: Part 2, Optimization of Design of Roll-In Ploughs in Soil Bin ExperimentsThree-Stage Subsoil Mixing Plough and Its Improvement of PlanosolImprovement of Planosol Solum: Part 1, Experimental Equipment, Methods and Preliminary Soil Bin Experiments with PloughsThe Effect of Discrete Ped Density on Corn Root Penetration in a PlanosolConsequences of aggregation for the trace element distribution in the subsoil of a Planosol naturally rich in trace metal