Development and utilization of organic fertilizer resource for forest in guangxi 广西林用有机质肥源的开发利用
2.
The wide difference in biological traits and as - accumulating ability among pteris vittata genotypes illuminated that it is possible to develop the pteris vittata genotypes with higher as - bio 因此，开发利用廉价、有效的肥源是植物修复过程中重要的一环。同时土壤水分状况与植物生长发育以及砷的有效性关系密切。
3.
In the agricultural total output value internal structure , output value of forestry and animal husbandry occupy 80 % of it , and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure , the economical crop output value occupy 51 . 18 % of it , and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure , the grass - eating animals output value ( including rabbit output value ) occupy 84 . 55 % of it , thereinto , the rabbit output value occupy 66 . 2 % of it , and realize operation of large scale ; enhance meat , egg and milk per person ( increase proportion of beef and mutton , reduce proportion of pig ) , and reduce grain per person and oil plants per person , and enhance forest - coverage rate , source of manure index etc , and enhance ecological benefit 到2020年时农业总产值达到了2000年的2 . 75倍，人均产值达2753 . 42元，是2000年的2 . 39倍，总产值内部，林业和牧业产值占80 ，充分实现了优势环境因子的开发利用；种植业内部，经济作物产值占51 . 18 ，突出了区域优势(资源优势)和特色农业(中药材等)的发展；牧业内部，草食畜产值(含兔)占84 . 55 ，其中兔产值占牧业产值的66 . 2 ，实现了规模化经营；提高了人均肉蛋奶占有量(其中增加牛羊肉比重，降低了猪肉比重) ，降低了人均粮食和油料占有量，同时还提高了森林覆盖率、肥源指数等指标，从而提高了生态效益。
