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两年前,苎麻在我县是一种面积甚微、分布零星、自产自销的小宗作物。然而,随着近两年麻纺工业的发展,国际市场“苎麻热”的形成,苎麻以投资小、花工少、效益好等特点而成为我县农村产业结构调整的主要内容,从而求得了“突破”性的发展,面积由1984年的199亩,发展到1986年近1.5万亩。新扩麻园基本上是分布在丘陵地区的黄土上。据全县土壤普查结果表明:黄土坡地速效磷小于5ppm,而据报导,磷肥对新麻园的增产效果尤为明显。为了探讨磷肥在我
Two years ago, ramie in my county is a small area, scattered sporadic, self-produced small sales of crops. However, with the development of hemp-spinning industry in recent two years and the formation of “ramie fever” in the international market, ramie has become the main content of rural industrial structure adjustment in our county due to the characteristics of small investment, less fancy work and good efficiency, Breakthrough "of sexual development, the area of 199 acres from 1984, the development of nearly 15,000 acres in 1986. The new expansion of the park is basically distributed in the hilly loess. According to the county soil census results show that: available phosphorus phosphorus loess plateau is less than 5ppm, and according to the report, the phosphorus fertilizer on the new Ma Yuan yield effect is particularly evident. In order to explore the phosphate fertilizer in me