论文部分内容阅读
基肥是供给果树全年生长发育所需养分的基础肥料,所以要求营养元素要全,肥量要大(占全年施肥量的50%),浓度要高,元素比例要协调,施肥要适时。一、肥料种类和施肥量肥料以厩肥、堆肥、饼肥、土杂肥和绿肥为主,并施适量的磷钾化肥和硼砂。土壤PH值在5.2以下的酸性土果园,应同时增施适量石灰;若用含钾量低于厩
The base fertilizer is the basic fertilizer that supplies the necessary nutrients for growth and development of fruit trees throughout the year. Therefore, it is required that the nutrient elements should be full and the amount of fertilizer should be large (accounting for 50% of the annual amount of fertilizer). The concentration should be high and the proportion of elements should be coordinated. Fertilization should be timely. First, the type of fertilizer and fertilizer Manure, compost, cake, Tuza Fei and green manure, and apply appropriate amount of phosphorus and potassium fertilizer and borax. Soil pH value of 5.2 below the acid soil orchard, should also increase the amount of lime; if potassium content is lower than the stable