论文部分内容阅读
1.人工草地的管理问题 1.1 人工草地的施肥问题 1.1.1 豆科牧草和禾本科牧草对土壤肥力的要求白三叶:pH值5.5~6.0,富于有机质,富含磷、钾、硫、硼、钼的沙质土壤或粘质土壤均可,土壤条件要求不高红三叶:pH5.5~6.0,土壤肥沃,富于有机质,富含磷、钾、硫、硼、钼,排水良好的沙粘壤或粘壤,土壤条件要求比白三叶、黑麦草高。
1. Man-made grassland management issues 1.1 Artificial grassland fertilization problems 1.1.1 Leguminous pasture and gramineous grass soil fertility requirements White clover: pH 5.5 ~ 6.0, rich in organic matter, rich in phosphorus, potassium, sulfur, Boron and molybdenum sandy soil or clayey soil can be, soil conditions less demanding Red clover: pH5.5 ~ 6.0, fertile soil, rich in organic matter, rich in phosphorus, potassium, sulfur, boron, molybdenum, well drained Sandy clay or clay soil, soil conditions require more than white clover, rye grass.