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我县土壤普查工作于去年年底基本完成.通过普查,摸清了土壤的种类和分布,以及各种土壤的肥力状况和低产田的低产因素,为今后合理地利用改良土壤、发展农业生产提供了科学数据.本文着重介绍稻田土壤的情况.(一)水稻土壤的基本状况1.分类和分布.经普查全县耕地土壤有水稻土307998亩,旱地土壤28792亩.水稻土分淹育型、潴育型、渗育型、潜育型和沼泽型5个亚类,亚类以下共分为19个土属60个土种.(1)淹育型水稻土亚类,面积4948亩,仅占稻田的1.6%.分布于地势较高的坡、梯田.水源较缺,耕作时间短,耕作层之下,未形成明显的犁底层.(2)潴育型水稻土亚类,面积264453亩,
The survey of soil in our county was basically completed by the end of last year, and through the census, we found out the types and distribution of soil, the fertility status of various soils and the low yield of low-yielding fields, which provided us with reasonable utilization of soil improvement and agricultural development in the future Scientific data This article focuses on the situation of paddy soil (a) of the basic status of paddy soil 1. Classification and distribution of the county through the census arable land of 307998 acres of paddy soil, dry land 28792 acres of paddy soil subdivision type, There are 5 subcategories of fertility type, infiltration type, latent type and marsh type, which are divided into 19 types of soil and 60 types of soil. (1) Sub-type of submerged paddy soil, with an area of 4948 mu 1.6% of paddy fields distributed in the higher terraces and terraces, lack of water sources, short tillage time and no obvious bottom layer of plow under the tillage layer. (2) The subsoil of paddy-type paddy soil covers an area of 264453 mu,