查询词典 fertile farmland

This paper through field test and theory research in the west of Heilongjiang province, analyze the water and soil loss regulation of slope farmland in blackland.

本文通过现场试验和理论研究探讨了黑龙江省西部黑土区坡耕地水土流失规律，建立了黑土区坡耕地土壤水分入渗和径流模型，并对不同作物、不同耕作处理条件下的坡耕地水土流失进行评价。

Soil total nitrogen content and soil available nitrogen content of farmland in Shuangcheng city were analyzed in the research based on 80s' soil nutriments data of the Scientific Database of Agroecology and Blackland in Northeast and 500 soil samples that were collected from the field in 0-20cm in 2005. The maps of soil TN and AN (1:50000) in the 80s were digitized and overlaid with the correspondent maps of 2005 using ArcMap.

本研究利用科学数据库多年来积累的历史图件和数据，并结合2005年耕层（0-20cm）500个采样数据为基础，选择典型黑土区双城市农田为研究区域，分析了22年来该县耕地土壤全氮和碱解氮的时空变化。

Soil and water conservation protective cultivation is an advanced cultivation technology that avoid cultivation or few cultivation on farmland and with stubble cover.Protective cultivation technology is an integration technology that use stubble cover,no-tillage cultivation,deep-plough with machine,and weeding with chemistry.Adopting soil and water conservation protective cultivation can reduce the loss of soil and water in northeast blackland area and improve the soil anti-erodibility.

中文摘要：水土保持保护性耕作是对农田实行免耕少耕，并用农作物秸秆残茬覆盖地表的一项先进耕作技术，保护性耕作技术是由秸秆覆盖、免耕播种、机械深松和化学除草等核心技术组成的一项集成技术，采用水土保持保护性耕作措施可以有效减少东北黑土区的水土流失，提高黑土区土壤抗蚀性。

Add this to the bucolic scenery of Pennsylvania's green valleys, rich farmland, and mountain ranges, and it's no wonder that it's the fifth most populated state in the nation.

加入到了宾夕法尼亚州的绿色山谷，肥沃的农田田园风光，和山脉，这也难怪，它的第五个在全国人口最多的国家。

Game beginning, see together a king of good the horse be by leap and bound blunt fore noodles, but the farmland hate of Ma3 Yuan3 Yuan3 fall at behind, king satisfiedly joyful cachinnation.

比赛开始，只见齐王的好马飞快地冲在前面，而田忌的马远远落在后面，国王得意地开怀大笑。

In farmland plant experiment,proper dosage lime application significantly increased nitrogen and protein content of Cajanus Cajan.

大田试验结果表明：红壤土上施用适量的石灰能极显著增加木豆氮素营养水平，使氮代谢平衡向着有利于蛋白质积累的方向进行。

In the Philippines, Arroyo's short-term response has been to flood markets with highly subsidized rice, broker a quick deal with Vietnam for 2.2 million tons of rice, and call for a halt on converting farmland into development space.

在菲律宾，阿罗约政府的短期反应是，将大幅补贴的大米投入市场，与越南迅速达成一笔220万吨大米的交易，以及要求停止将农田转换成发展项目。

With china put six forestry important projects into effect , such as natural forest protection , returning farmland to forest etc , the Chinese government has show great determination and captivation to bring ecological issue under control in front of hole world .

随着我国保护天然林资源，退耕还林还草等六大林业重点工程的实施，中国政府治理生态的决心和魄力已充分地展现在世界面前。

Thirty per centum of the farmland has been planted to oil crops.

百分之三十的农田已种上油料作物。

And in Chard in Somerset around 10 million ladybirds have descended on farmland and set up home.

和盛捷查德在1000万瓢虫已经下降的农田和建立家庭。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"