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【砥砺奋进的五年】发展节水农业的广西实践

2017-08-12 21:47:18   国际在线

发展节水农业的广西实践

广西新闻网-广西日报记者 唐广生

题记:根据国家水资源发展规划,未来15年农业可用水量将维持零增长,保障农业灌溉用水的难度不断增加,农业缺水比缺地更加严峻。我国如何以占世界6%的淡水资源,生产出占世界25%的农产品,养活占世界21%的人口,确保“饭碗端在自己手里”?大力发展节水农业,以有限的水资源生产出更多的粮食,已是必然的选择。

近年来,广西积极行动,因地制宜,在发展节水农业的道路上大胆探索,形成了特有的“广西实践”。

政府主导 节水农业成“一号技术”

8月5日,烈日高挂,天气闷热。在距离南宁市90公里的隆安县那桐镇那门村,连片5000亩的火龙果生机勃勃,蔚为壮观。

这是广西农穗农业有限公司的火龙果基地。记者见到,一排排黑色细管均匀地铺设在火龙果架下,细管表面一个个滴灌眼安静地滴着配了肥料的水滴。

工作人员小邓说,这就是水肥一体化节水技术。“铺设了细管的地块,只需推闸、放水、拧开关就可以了。每亩可以节水50%,节肥三四成,还省了不少的人工费用。”

自治区土壤肥料工作站站长宾士友介绍,5年来,广西已推广水肥一体化节水技术面积373.12万亩,位居全国前列。

记者了解到,相对于北方地区,广西水资源总量较为丰富,但由于降雨量的时空分布不均,全区降雨70%集中在夏季,导致广西农业灌溉用水出现季节性、区域性缺水,全区有一半以上的耕地常面临秋冬春三季连旱,旱灾造成的损失占自然灾害总损失的60%。

严峻的现实让自治区领导认识到,必须把发展节水农业纳入政府发展规划,充分发挥政府的主导作用,加强政策扶持和资金投入,打好农业节水“硬仗”。

为此,自治区土肥站节水科以及节水灌溉技术服务中心应时而生,整合人才资源,为广西以节水灌溉施肥为重点的农田节水工作注入活力。

5年多来,全区累计安排专项经费2806万元,建立了117个高标准示范基地,与66个项目县签订责任合同书,确保示范任务完成;选取了12个县市区建立了36个农田土壤墒情监测点;邀请国内外专家教授前来举办培训班,培训人员2万多人次;发动社会力量投入3亿多元,形成了“政府搭台、企业唱戏、农民参与和市场运作”的节水农业发展机制。

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