砂耕 的英文怎麼說
中文拼音 [shāgēng]
砂耕
英文
sand culture-
Effect of cropping system on the manganese in lime concretion fluvo - aquaic soils
耕作改制對砂姜黑土中錳的影響The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。( 3 ) the definition of soil series applied the method of direct nomenclature ( eg. qingjiang series ), searches of soil series was the order : soil structure - the texture of hydragric epipedon - the proportion of clay and salt ( eg. apl - ap2 - g - clay loam - 0. 54 ), 10 typical soil sections were classified 10 soil series ( eg. qingjiang series beihe series ) and belonged to 5 subgroups and 4 groups of hydragric anthrosols
（ 3 ）土系採用直接命名法（如：清江系） ，其檢索採取剖面構型+表層優勢質地+粘砂比的性態檢索順序（如： ap1 - ap2 - c +粘壤土+ 0 . 35 ） ，被研究的10個典型土壤剖面被劃分為清江系、北河系等10個土系，分別隸屬於5個水耕人為土亞類、 4個水耕人為土土類。It is forbidden to build kilns, graves or houses on cultivated land or to dig sand, collect stones, do mining and carry soil away from cultivated land
禁止佔用耕地建窯、建墳或者擅自在耕地上建房、挖砂、採石、采礦、取土等。分享友人