有权威人士将当前农业面临的挑战归纳为五个:一是国内农产品价格水平远高于国际农产品价格引发的“天花板”效应挑战;二是国内农产品生产成本不断提高产生的“地板”效应挑战;三是生态环境的挑战;四是农业收入占比持续下降的挑战;五是进入经济新常态,农业发展面临的挑战。粮食生产是农业的重要组成部分,虽然并不能简单地将农业面临的挑战直接套到粮食上来,但是对当前农业面临挑战的思考,却启迪我们深入当前粮 Authorities have summed up the challenges currently facing agriculture as five: First, the domestic agricultural product price level is far higher than the “ceiling” effect challenge caused by the international agricultural product prices; second, the domestic production costs of agricultural products continue to increase resulting in "floor The third is the challenge of the ecological environment. The fourth is the challenge of the declining share of agricultural income. The fifth is the challenge of entering a new economic normal and agricultural development. Food production is an important part of agriculture. Although it is not possible to simply cover the challenges facing agriculture directly with food, thinking about the challenges facing agriculture now leads us to deepen current grain