春甜桔栽培技术汇编（Cultivation techniques of spring sweet orange）.docVIP

春甜桔栽培技术汇编（Cultivation techniques of spring sweet orange） Hello。 Welcome your consultation. Spring sweet orange high performance avoid wet, low-lying land planting often showed poor growth, root rot, leaves, even the whole plant death in the entire park, park the first free, high wet lowland. Slope planting performance is good, easy to early high yield, but to ensure that there is water in the dry season, if before and after the Spring Festival (late in floral bud differentiation in drought will lead to excessive) flower bud hypoplasia, and almost no fruit next year. The practice proved that, adequate light, underground water level low clay loam paddy field and water supply convenient low loess slope is to choose the best garden building. Two. Variety selection: It has only been more than 20 years since the spring sweet orange was bred. Some of its varieties are not stable enough, and most of the orchards have individual fruit, sour fruit, variety variation and so on. The orchard seedling selection should be fully understand the seedling rootstocks and scion source tree performance and so on, in order to ensure that the planting seedling varieties of pure, sterile disease. If there is no definite information about seedling varieties, a small amount of flowers and fruits can be reserved in the first year of planting, which can effectively confirm the quality of varieties, so as to take remedial measures in time. Three, cross of different powder: In the spring of origin in Zijin County of sweet orange, many have planted many years of spring sweet orange, gratifying but not guaguo. The reason, in addition to promoting the flower and fruit of lack of technology is one of the major reasons recognized, spring sweet orange there is another big characteristic: pure pollination fertilization rate is low, cross pollination effect. In the blue town, there are many species of spring sweet orange orchard, the yield was significantly higher than the pure plantation, but fruit qual