A method for improving the survival rate of transplanting bare-root seedlings of sorbiflora sorbifolium

Abstract

The invention belongs to the technical field of tree nursery stock cultivation, and particularly relates to a method for increasing the transplanting survival rate of xanthoceras sorbifolia bunge bare-root nursery stocks. The method comprises the steps of 1, farming preparation pretreatment of a planting site; 2, lifting of transplanted seedlings, shaping and clearing of root systems, and planting; 3, field management after xanthoceras sorbifolia bunge bare-root nursery stock transplantation. The first step further comprises the steps of selecting the planting site which contains neutral or alkalescent loam with a pH value ranging between 7 and 8.5, wherein the depth of the soil layer is 60-80 cm; preparing the planting site, wherein farmyard manure is applied 3000 kg / mu before farming preparation; preparing soil and ridging. The second step further comprises the steps of conducting seedling lifting manually, wherein the root systems are cut neatly during seedling lifting; shaping and clearing the root systems; planting the nursery stocks. The third step further comprises the steps of water control of forest land; soil loosening and weeding; final management and maintenance, wherein fertilization and irrigation are conducted three to four times and soil loosening and weeding are conducted twice each year since the second to fifth year. By the adoption of the method, the transplanting survival rate of the xanthoceras sorbifolia bunge bare-root nursery stocks is successfully increased to over 85% from below 20% before measures are taken, and technical assurance is provided for improved variety popularization of xanthoceras sorbifolia bunge.

Description

technical field [0001] The invention belongs to the technical field of cultivation of tree seedlings, and in particular relates to a method for improving the transplanting survival rate of bare-root seedlings of Xanthos sorbifolium. Background technique [0002] Because Xanthoceras sorbifolia Bunde is resistant to drought, cold, and salt and alkali, it was identified by the State Forestry Administration as the only woody biomass oil energy suitable for planting in the northern region among the six biomass energy tree species during the 12th Five-Year Plan period. species. The oil content of sorbifolium sorbifolium seeds is high. After the seed coat is removed, the oil content of the seed kernel is about 60%, and the protein content is 25%. %, therefore, Xingguan fruit can not only be used as a source of biodiesel, but also as a raw material for high-grade edible oil and pharmaceutical chemicals. Driven by high economic interests, there were two upsurges of planting sorbifo...

AI Technical Summary

Problems solved by technology

[0005] After searching the literature of CNKI, Wanfang and VIP, there is no relevant report on the technology of increasing the survival rate of bare-root transplanted seedlings of Xanthos sorbifolium from less than 20% before taking measures to more than 85%.