under crop的例句大全

The surface is in general level, and about three-fourths are under crop.

地面大致平坦, 并且大约有3∕4的地种着庄稼.

A field experiment was conducted to study the growth and water use efficiency of rice crop cultivated under flood and non flood soil mulched with different materials throughout the whole growing season.

通过田间试验研究水作水稻和不同地表覆盖旱作水稻的生长和水分利用效率。

As they drove up by the ruins of the house, they saw Beatrice Tarleton dressed in a worn riding habit, a crop under her arm, sitting on the top rail of the fence about the paddock, staring moodily at nothing.

赶车经过住宅的废墟时，她们看见比阿特里斯塔尔顿穿着破骑马服，臂下夹着一条马鞭，坐在牧场周围的篱笆顶上，一双忧郁的眼睛茫然地凝望着前方。

through a consecutive 15 years field trial on the aquic brown soil in shenyang suburb of northeast china, this paper studied the soil potassium budget and crop potassium allocation under effects of different fertilization systems.

通过15年的定位试验，研究了不同施肥制度下土壤K的收支及K在作物体内的分配。

The evaluation index system for crop energy consumption in farmland ecosystem was reconstructed under our current productivity level via enterprise survey and experts consultation by the method of field survey and literature research.

本文运用实地调查与文献研究的方法，通过企业调查、专家咨询等形式，对我国目前生产力发展水平下农田生态系统农作物能耗评价指标体系进行了重建。

Evapotranspiration and Crop Coefficient of Sweet Peppers under Different Groundwater Table

不同地下水埋深时甜椒需水量及作物系数试验研究

Under high-yield cultural technique, the net photosynthesis rate plays a leading part in the day-yield of dry matter of soybean after closing of crop.

在高产栽培条件下，大豆插墒以后净光合生产率对干物质日生产量起主导作用。

Rules of Nitrogen Absorption and Transportation under Dry Farming Crop of Northern Plain

氮素在旱作系统作物中的吸收与转化

study on the effect of irrigation under plastic preservation of soil moisture on soil and crop

地膜覆盖保墒灌溉的土壤水、热以及作物效应研究

under conditions of natural random airflow and human or vehicle disturbance, crop will swing and its shadow is not still.

在空气流和人或车的干扰下，农作物会摆动，阴影也不会静止。

plants with a denser and more profuse panicle, which droops at maturity under the weight of the spikelets, are grown as a cereal crop.

植株具紧密和更多非常丰富圆锥花序，哪个俯垂在重量的那些小穗下成熟时，被增长为谷类庄稼。

experimental data were used to quantify the increased water availability to crop under pam treatment.

由试验数据，得到了用PAM增加作物可用水量的定量关系。

development strategy of tropical crop industry under opening trade conditions

开放贸易环境下的中国热作产业发展对策

cause and mechanism of crop yield reduction under straw mulch in dryland

旱地秸秆覆盖条件下作物减产的原因及作用机制分析

rhizosphere bacteria containing acc deaminase can reduce stress ethylene level of crop under drought conditions, to improve drought resistance of crops.

具有ACC脱氨酶活性的根际细菌能够降低干旱条件下作物应激乙烯的水平，提高作物的抗旱能力。

On a sheep-cropped knou under a clump of elms we ate the strawberries.

我们在榆树下草尖被羊啃掉的小丘上吃草莓.

The results showed that the differences of earth worms under tillage, crop and time were significant.

耕作方式和作物类型对土壤密度没有显著影响.

The Effect of Winter Cover Crop on Microbial Ecological Under the No-tillage System

免耕条件下覆盖作物对微生物生态的影响

Under same growth conditions, there would be relative higher volume and productivity in coppice forest than in seedling crop of Robinia pseudoacacia.

与实生林相比，在相同的生长条件下，萌生林具有较高的木材量和生产力。

Long-term Change of Phosphorus in Soils under Wheat-Maize Crop Rotation in China

小麦&玉米轮作土壤磷素长期演变规律研究