* Saline and alkaline soil covers more than 30 countries in the world, with a total area of over 900 million hectares. China has about 100 million hectares of such land, of which around one-third is available for utilization. * Such soil is notoriously difficult to farm, typically producing...
saline-alkali land in the world is around 954 million hectares, of which 99.13 million hectares are based in China. The formation of alkaline and alkaline soil in China is mostly related to the accumulation
网络释义 1. 盐碱地 '&cced... ... reclamation of saline and alkaline land 盐碱地改良saline-alkali land盐碱地salinate fields 盐碱地; 盐渍地 ... www.jukuu.com|基于8个网页 2. 盐碱化土地 土地盐碱化敏感... ... ) soil salinization 土地盐碱化 )Saline-alkali land盐碱化土地) land sali-alkali...
The comprehensive utilization of saline-alkali land in China needs to be promoted in a multidimensional way. At the top-level planning level, it involves regional resources, technical equipment, investment and other issues. It is necessary to adhere to the system concept of "mountain-river-forest-...
Saline-alkaline land tackling method to break several hardened clay layers本发明所涉及的一种破多层粘板层盐碱地的治理方法,是在农田内开挖一定宽度和深度的沟,形成水分的下渗通道,在土壤水分侧渗作用下,使土壤的剩余水分,盐分通过开出的沟排出;对开挖深至地下潜水的沟,填充秸秆,距地表一定距离时回填土,此法...
1) ponds of the saline-alkaline land 盐碱地鱼池 1. The correlation coefficients of eight-ions,salinity,alkalinity,hardness,nutritive composition, CODMn and phytoplankton in theponds of the saline-alkaline landbeside lower reaches of yellow River were analysed by SPSS for Windows. ...
Qingyun County is adjacent to the Bohai Sea, a typical sea encroachment area, the land is alkaline, the water is salty, and food production was not high in the past.In recent years, Qingyun County has taken the opportunity of comprehensive land improvement in the whole area, introduced modern...
Qingyun County is adjacent to the Bohai Sea, a typical sea encroachment area, the land is alkaline, the water is salty, and food production was not high in the past.In recent years, Qingyun County has taken the opportunity of comprehensive land improvement in the whole area, introduced modern...
amountofsalineandalkalinelandhasbeenreclaimedby irrigationanddrainage.Thereasonofsoilsalinizationdue tosoilandgroundwatersalinityistoohigh,incaseofstrong surfaceevaporation,soilsalinitybycapillaryactiontorise andaccumulateinthesoil,thecropgrowthwasinhibited.In therainfallorirrigationconditions,thesoilsalinitycan beleache...
3) government saline and alkali land 治盐碱地 例句>> 4) Salination control 盐碱化治理 例句>> 5) Land assembly of salt and alkaline 盐碱地整理6) efflorescent and salinized land 风沙碱地治理补充资料:盐碱化(见盐碱地) 盐碱化(见盐碱地) yanJ一anhua盐碱化见盐碱恤_ 说明:补充资料仅用于...