1.
For many years, chemical fertilizers and pesticides have been employed on a sound basis.
多年来，坚持合理使用化肥和农药。
2.
For many years, chemical fertilizers and pesticides have been employed on a sound basis. Many measures have been taken to protect grasslands, such as enclosure with fences for livestock breeding and irrigation.
多年来，坚持合理使用化肥和农药，对草场采取围栏养贮、引水灌溉和保护管理措施；
3.
Organic fertilizers are slow-acting. They can be used in combination with quick-acting chemicals.
有机肥是慢效肥料，可以和速效化肥结合使用。
4.
To fertilize with manure or compost.
施肥用农家粪肥或混合肥料使地肥沃
5.
Chemical Fertilizer Rationally Use in Carrot, Celery Producing;
胡萝卜、西芹生产中化肥的合理施用
6.
Effect of Combined Application of Farm Manure and Chemical Fertilizer on the Output Value and Quality of Flue-cured Tobacco
农家肥与化肥配合使用对烤烟产值和品质的影响
7.
The use of natural fertilizer can bring the crops on nicer than the use of chemical fertilizer.
使用天然肥料比使用化肥使庄稼长得更好。
8.
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。
9.
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。
10.
Effect of Combining Application of Rape Seed Cake and Chemical Fertilizer on the Growth and Physiological Characteristic of Flue-cured Tobacco;
菜籽饼肥及其与化肥配合施用对烤烟生长发育和生理特性的影响
11.
"Before the use of synthetic fertilizers in the industrial countries, usable nitrogen was supplied as manure and by crop rotation that included a legume crop."
在工业化国家使用合成肥料之前,由粪肥和轮作(包括一种带根瘤的作物)来提供可以利用的氮。
12.
Where they do use chemical fertilizer, they tend to use nitrogen only, thereby mining the soils.
使用化肥时，只施用氮肥，从而其它养分逐渐耗竭。
13.
A Study on Efficiency in the Use of Agricultural Fertilizers and Farmers Behavior of Fertilization Based on Hubei Province;
农用化肥使用效率与农户施肥行为研究
14.
any substance such as manure or a mixture of nitrates used to make soil more fertile.
任何粪肥或硝酸盐混合物，用后使土壤更加肥沃。
15.
Accumulation of excessive exchangeable potassium is from the use of mixed fertilizers or manure.
由于施用混合肥料或厩肥使交换性钾过渡累积。
16.
The Comparative Studing on Use of Bio-Fertilizer and Fertilizer in Aquaculture in the Small Reservoirs;
小型水库使用生物肥和化肥养鱼的比较研究
17.
Dynamics of nitrogen in double-rice paddy soil under application of chemical fertilizer combined with manure
化肥有机肥配合施用下双季稻田氮素形态变化
18.
Effect of combined application of organic fertilizer and chemical nitrogen fertilizer on increasing rice production
有机肥与化肥结合施用对水稻的增产作用