Field experiments aimed at the fertilizer ~(15)N uptake,accumulation,distribution and use efficiency in fluecured tobacco were conducted using ~(15)N trace technique in yellow soil in Dafang county of Guizhou province.
结果表明,在二种有机质含量的黄壤上,烤烟~(15)N吸收规律相似,于烤烟移栽后3～5周内,烟株吸收~(15)N较少,5周后~(15)N积累量明显增加,到移栽后13周达到高峰,肥料~(15)N吸收时间拖后;二种土壤上,肥料~(15)N在整个生育期内积累量分别为28。
Caking and anti-caking of chemical fertilizers;
化学肥料的结块及其防止
Discussed the environmental pollution of water,soil and air, as a result of long term excessive chemical fertilizer using, and suggested to change sense, increase organic manure, develop new manures and cover the earth's surface.
论述长期、大量施用化学肥料所造成的水体污染、土壤污染和大气污染等环境问题，提出改变观念、增施有机肥、研究开发新肥源、肥种、肥型和进行地面覆盖的建议。
dust chemical fertilizer over the fields
在田地里撒化学肥料
Organic fertilizers are safer than chemicals. Chemical fertilizers may, in time, build up salts.
有机肥料比化学肥料安全。施用化肥需要及时好控制盐分。
DEVELOPMENT OF CHEMICAL FERTILIZER INDUSTRY AND ITS EFFECT ON AGRICULTURE OF CHINA;
中国化学肥料发展及其对农业的作用
"These "substances the farmer gives back to the soil in the nature of natural or artificial manures or fertilizers. "
他们利用天然肥料和化学肥料把这些东西返还给土壤。
"Agrochemical: Any chemical used in agriculture, including chemical fertilizers, herbicides, and insecticides. "
农用化学品 :用于农业的任何化学品,包括化学肥料、除草剂、杀虫剂。
"Chemical fertilizers, by contrast, feed plants directly."
相反地,使用化学肥料是直接给予植物养分。
Useful chemical fertilizer can we make from the waste liquid.
从废弃液体中我们能提取有用的化学肥料。
The Study on New Technology of Using Fertilizer Nitrogen and Phosphorus Efficiently;
氮、磷化学肥料高效利用新技术探索研究
The Effect of Chemical Fertilizers on Mycelial Growth of Southern Blight of Coptis chinensis
化学肥料对黄连白绢病菌丝生长的影响
Organic methods, which rely on crop rotation, manure and compost in place of fertiliser, are far less intensive.
有机生产方式不讲究精耕细作，不使用化学肥料，主要依靠轮作、肥和混合肥。
Organic methods, which rely on crop rotation, manure and compost [1] in place of fertiliser, are far less intensive.
有机生产方式不讲究精耕细作，不使用化学肥料，主要依靠轮作、粪肥和混合肥。
Use the organic fertilizer and protect the environment to produce pure, organic high mountain Tea.
全年使用有机质肥料，无农药、无化学肥料、无污染，茶园的土地生机活力，生态平衡。
"System of crop cultivation that uses Biological methods of fertilization and pest control as substitutes for chemical fertilizers and pesticides, which "
用生物学方法施肥和防治病虫害来代替化学肥料和杀有害生物剂的作物耕种方法。
We offer you firm2,000 tons of chemical fertilizer at￡150 per long ton CIF Vietnam deliver in April.
我方为你公司提供2000吨化学肥料，每长吨150，CIF越南，4月起运。
chemical compatibility
肥料的化学可混用性
Fertilizers, Pesticides and Petrochemical Industries Section
肥料、农药和石油化学工业科
Association of Fertilizer and Phosphate Chemists (AFPC)
肥料与磷酸盐化学家协会
Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.
肥料能提高土壤的肥力,或补充土壤中被以前作物吸收的化学元素。