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采集3 987个水稻土土样进行测定主要肥力指标,结果表明:建阳市水稻土的土壤pH平均值为5.20±0.3,偏酸性;水稻土有机质平均含量为(34.91±6.4)g/kg,较丰富;土壤碱解氮平均含量为(185.9±55.8)mg/kg;土壤速效钾平均含量为(89.2±52.4)mg/kg;土壤有效磷平均含量为(18.9±9.3)mg/kg,属于中等以下的土壤占73.7%。
The main soil fertility indexes of 3 987 paddy soils were collected and analyzed. The results showed that the average soil pH value of paddy soils in Jianyang City was 5.20 ± 0.3, which was acidic. The average content of organic matter in paddy soil was (34.91 ± 6.4) g / kg, (185.9 ± 55.8) mg / kg. The average content of available potassium in soil was (89.2 ± 52.4) mg / kg. The average content of available phosphorus in soil was (18.9 ± 9.3) mg / kg, which belonged to The soil below middle level accounted for 73.7%.