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第69章 被质疑了(1 / 2)

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王青点点头:“牧草过几天就恢复过来了。”

只要没有伤到木草的根,所以并不需要担心。

“儿子,你那牧草种子太奇怪了,直接这样撒都能生,而且我还没见到你施什么肥呢,也能长这么好。”王母说道。

作为一个种了几十年的农民,种庄稼没有肥是不行的,但是儿子种的牧草,她只看到儿子用水把种子泡了,然后就用无人机播种,肥料啥的也没有,但是那些牧草却是长得很好,一点都不像缺少肥料的样子。

这让她怎么也想不通,不问出来她觉得太难受了。

杨敏点头赞同。

突然她一脸凝重的看着王青:“你买的这牧草种子,该不会是转基因品种吧?”

近几年来,转基因植物推出的品种之多、推广面积之大、发展速度之快,远超出人们的预测。

世界上越是农业发达的国家(如美国、加拿大、巴西、阿根廷、澳大利亚),其转基因农作物的种植比重越大。

转基因农作物自1983年诞生以来,对增加粮食产量产生了巨大的推动作用。经过观察、研究和论证,我国自上世纪90年代开始批准引进转基因农作物。

我们日常能够接触到的转基因农作物都是经过国家论证批准的。

至目前,没有确切的研究证明其对人体和生态环境有有害性。但事物都具有两面性,她就担心王青种植的牧草是转基因的。

转基因农作物能够大幅度降低生产成本,提升品质和产量。

其抗病、抗虫、抗除草剂特性还可以大幅度减少农药用量,利于保护环境。

将豆科植物的固氮特性转移到小麦和玉米等大宗农作物中,能够大幅度降低化肥用量。

部分转基因农作物具有预防和治疗疾病的作用,可以用来开发生产功能性食品。

四季常青的转基因牧草能够大幅度提高单位面积牧场的载畜量,并防止草原沙化。

耐寒、耐旱的新品种能够使不能耕种的高纬度和高海拔地区变成牧场甚至良田。

但是转基因农作物的弊端是对生态环境影响的远期不确定性。

尽管目前的研究证明其对生态环境没有明显的不良影响,但长期大规模种植对生态环境的影响尚不确定。

对人体健康影响的远期不确定性。

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