不同改良剂对黄棕壤和红壤上白菜生长及土壤肥力影响的差异

吕波,王宇函,夏浩,姚子涵,姜存仓

Effects of Biochar and Other Amendments on the Cabbage Growth and Soil Fertility in Yellow-Brown Soil and Red Soil

LÜ Bo,WANG YuHan,XIA Hao,YAO ZiHan,JIANG CunCang

表1 供试土壤及改良剂的基本性质

Table 1 Basic properties of tested soil and modifier

土壤与改良剂 Soil and modifier pH 碱解氮 Available nitrogen (mg·kg-1) 速效磷 Available phosphorus (mg·kg-1) 速效钾 Available potassium (mg·kg-1) 有机质 Organic matter (g·kg-1) 黄棕壤YS 5.2 87.5 5.91 169.4 13.3 红壤RS 4.8 35 2.3 110.9 7.4 生石灰CaO 12.6 / / / / 腐殖酸钾HA-K 8.5 124.2 / 59700 387 生物炭C 8 102.4 274.74 4280 477.6