查询词典 arable

The results showed that 1518kg farmyard manure and 59.9kg chemical fertilizer, equal to 38kg N, P and K pure nutrient, were applied per unit area (667m2) of arable land,and that the nutrient ratio of farmyard manure and chemical fertilizer was 4.9∶5.1 (N∶P2O5∶K2O=1∶0.4∶0.62), and that the total complex grain output per year and the complex output value were 479.6kg and 804.47yuan per 667m2 respectively, and that the manure cost and the pure income from manuring were 148.25 yuan and 716.22 yuan per 667m2 respsctively, and that 12.6kg grain output could be gotten averagely from 1kg nutrient input The main factors affected the manuring effect were topography, cropping systems and crops kinds and manuring quantity from a peasant household as well effected the soil fertility significantly.

结果：平均每667m2耕地投入农家肥1 518 kg，化肥59.9 kg，折氮磷钾纯养分38 kg，农家肥与化肥养分比为4.9∶5.1，N∶P2O5∶K2O=1∶0.4∶0.62，全年粮食复合单产479.6 kg/667m2，复合产值864.47元，肥料成本148.25元/667m2，肥料纯收入716.22元，肥料产投比值5.9，投入1 kg养分产粮12.6 kg。影响投肥效应的主要因素为地势、耕制和作物。农户投肥数量对土壤肥力影响较大。

In addition, an assemblage of annual grasses, sedges, and other herbaceous plants indicates the presence of arable weeds, typical of cultivated rice, that also increased over this period.

农田杂草通常是与人工稻米种植联系在一起的，该类杂草的证据为那个时候中国有着认真的稻米栽培提供了进一步的证明。

In recent decades, due to the development of urban and rural construction, road construction, mining, expansion of arable land, artificial cultivation of rubber plantation, etc., taking up large areas of forests, grasslands, wetlands, resulting in a large number of biological species threatened with extinction.

近几十年来，由于城乡建筑的发展，修筑公路、开矿、扩大耕地、人工种植橡胶园等，侵占了大面积的森林、草原、湿地，致使大量生物物种濒临灭绝。

Arable land has declined steadily since 1960 and will decrease by half over the next 50 years, according to the International Service for the Acquisition of Agri-Biotech A plications.

国际农业生物工程应用技术采购管理局称，自1960年以来，耕地面积一直持续下降，并将在今后50年减少一半。

At present, the town of grape planting area of 14,132 acres, accounting for 100% of the arable land has become the province's largest table grape base.

目前，全镇葡萄定植面积达到14132亩，占耕地面积的100%，成为省内最大的鲜食葡萄基地。

Soil organic carbon accumulated relatively in lower soil layer in swamp meadow, poplar forest and scrub-steppe, while soil organic carbon distributed evenly in arable soils such as farmland, wasteland and plant nursery.

沼泽草甸、杨树林和灌丛草原类型在浅层土壤积累了相对较多的有机碳，而耕作类土壤如农田、弃耕地和苗圃的有机碳垂直分布则相对较均匀。

Arable sheep farming went out of fashion .

靠农业养羊不再风行了。

The water, soil, light, thermal resources are abundant in Shihezi and the surrounding areas, possessing over 10 million mu of arable land, annual sauce-use tomato plantation is 200 thousand mu, meanwhile large amount of red pepper, safflower, marigold and other economic crops planted here, so plantation area can be extended in accordance with the demand.

石河子及周边县市水、土、光、热资源丰富，拥有1000多万亩耕地，每年种植酱用番茄20万亩，大量种植辣椒、红花、万寿菊等经济作物，并可根据需要扩大种植面积。

Luanhe Luanxian located, the central axis of the River Ganges alluvial fan areas, sand land accounts for 40% of arable land suitable for cultivation of peanuts, is 100 million mu of Tangshan City, the center of flower production areas, 250,000 hectares of sown area year-round, with a total capacity more than 50,000 tons, is the main producing areas and one in Hebei Province.

滦县地处滦河、沙河平原冲积扇的中轴地带，沙土地占耕地面积的40％，适宜种植花生，是唐山市百万亩花生产区的中心，常年播种面积25万多亩，总产5万多吨，是全国和河北省的主要产区之一。

Natural resources in the form or arable land.

耕地形式存在的自然资源。

You'll be in trouble it you don't watch out .

如果你不注意，你会有麻烦的。

Shaped like a biconvex lens.Of, relating to, or having the form of a hyperbola.

双曲线的属于双曲线的，与之有关的，或有双曲线形状的