论文部分内容阅读
通过对海门市沿海防护林体系的总体布局、建设形式、林带断面结构、复合农田林网、苗木良种繁育、滩涂开发等６个方面的研究与推广，完成了“以江海河堤林带为骨架、农田林网为主体、成片林为基地、四旁树木相配套”的带、片、网、点相结合的沿海防护林体系工程建设，使全市绿化覆盖率达到１１．８％，农田林网控制率达到７８．９％，村庄内绿化覆盖率达４９．３％。因有沿海防护林体系保护，棉花年增产１９％，水稻年增产１２．９％，“三麦”增产８％，玉米增产６％，年净增产值２３６９万元。
Through the research and promotion of six aspects of the overall layout, the construction form, the cross-sectional structure of the forest belt, the composite farmland forest net, the seedling breeding, the development of the tidal flats, etc., the coastal shelter forest system in Haimen has been completed. Forest network as the mainstay, into a piece of forest-based, matching the trees around the “belt, film, network, point combination of coastal shelter forest project construction, the city’s green coverage rate reached 11.8%, farmland network control rate reached 78.9%, the village green coverage rate of 49.3%. Due to the protection of the Coastal Protection Forest System, the annual cotton yield increased by 19%, that of rice increased by 12.9%, that of ”Sanmai" increased by 8%, that of corn by 6%, and the annual net production value increased by 23.69 million yuan.