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第321章 破碱重生!沧州:盐碱地综合利用的实践与探索(1 / 1)

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沧州,一座位于河北省东部的沿海城市,东临渤海,北依京津,南接山东,是环渤海经济圈和京津冀都市圈的重要组成部分。这座城市拥有丰富的土地资源,但也面临着土地盐碱化的挑战。然而,近年来,沧州在盐碱地综合利用方面取得了显着的成效,探索出了一条因地制宜的发展之路。

一、盐碱地开发利用的背景

沧州东临渤海、地势低平,春季干旱多风,夏季炎热多雨,冬季寒冷干燥,土地易旱也易涝,春秋还易返盐,是传统意义上农作物难以生长的“不毛之地”。据了解,沧州盐碱地耕地 pH 值较高,特别是东部的黄骅、海兴等地区“地碱水咸”,土壤含盐碱量高,有机质含量低。然而,随着人口的增长和粮食需求的增加,沧州市需要寻找更多的耕地资源来保障粮食安全。同时,沧州市也希望通过开发利用盐碱地,发展特色农业,促进经济发展。

二、盐碱地开发利用的现状

沧州市在盐碱地开发利用方面采取了一系列措施,包括改良盐碱地、选育耐盐碱作物、发展特色农业等。这些措施取得了显着的成效,使得沧州市的盐碱地逐渐变成了良田。

(一)改良盐碱地

沧州市通过开挖排水沟、深松、深耕、免耕等方式,改善了土壤质量,降低了土壤盐分。同时,沧州市还通过修建排盐沟渠淋盐压碱,利用夏季雨水量大并且集中的特点,通过排水沟把淋洗后的盐分排出去,达到降低耕作层土壤盐分的目的。这些措施使得沧州市的盐碱地得到了有效的改良,提高了土地的肥力和生产力。

(二)选育耐盐碱作物

沧州市在育种环节,也做出了长久不懈的努力。旱碱麦,是沧州盐碱地上长出最广为人知的特色农作物。沧州市农林科学院通过不断的试验和研究,选育出了“沧麦 6002”、“沧麦 6005”、“捷麦 19”等品种,平均亩产量提高到了两百至三百公斤。这些品种具有耐盐碱、高产、优质等特点,为沧州市的农业生产带来了巨大的效益。

(三)发展特色农业

沧州市在盐碱地开发利用方面,不仅注重土地的改良和作物的选育,还注重发展特色农业。沧州市渤海新区黄骅市的河北银海农业科技有限公司,以旱碱麦为原料,加工制作出了非遗面花。这种面花产品口感独特,营养丰富,深受消费者喜爱。此外,沧州市还在探索其他盐碱地特色农产品的深加工之路,如冬枣、碱地梨、苜蓿、中药材等。

三、盐碱地开发利用的未来展望

沧州市在盐碱地综合利用方面取得了显着的成效,探索出了一条因地制宜的发展之路。未来,沧州市将继续加大盐碱地治理力度,计划到 2024 年底,全市新建改造盐碱地高标准农田 27 万亩。同时,沧州市还将继续选育耐盐碱作物,推广优质品种,发展特色农业,促进农业产业结构调整和升级。沧州市的实践和探索,为国内其他地区因地制宜探索不同土壤类型的盐碱地治理模式和技术路径,提供了可复制可推广的经验。

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