衡阳市菜园土现状与改土培肥措施

Status Quo and Fertilize Garden Soil Measures in Hengyang City

通过对衡阳市石鼓区、南岳区、衡阳县、衡南县主要蔬菜基地29个不同种菜历史和不同土壤类型的土样进行分析表明,当前衡阳菜园土存在着土壤有机质含量不高,硝态氮、速效磷、速效钾含量普遍偏低,土壤酸化较重,局部区域次生盐渍化等问题.针对这种现状,应通过施用石灰,调节土壤pH,提高土壤养分的有效性;采用深耕晒土,增施腐熟的有机肥,推广测土配方施肥等技术进行改土培肥.表4,参7.

Based in 29 soil types in Hengyang City , that shigu district, Nanyue district, Hengyang county, Hengnan county main vegetable growing history and different soil types of soil samples were analyzed, current Hengyang garden soil there is not high soil organic matter eontentis generally low, nitrate nitrogen, available phosphorus, available potassium, soil acidification, heavy, localized area secondary salinization problems. For this situation, application of lime, adjust the soil pH, improve soil nutrient availability; using deep plowing drying soil, ameliorate and fertilize. Adding the decomposition of organic fertilizer to promote soil testing and fertilizer technology. 4tabs. ,7refs.