查询词典 paddy field

The effects of four different fertilization patterns, no application of P, single application of chemical P fertilizer, cycling reuse of organic residues (rice straw, pig feces and green manure) and cycling reused of organic residues incorporated with chemical P, on Olsen-P in paddy soil, P content in grain and haulm of rice as well as the P uptake and accumulation at different growth durations of rice were studied using the samples taken from a long-term experiment field of the Taoyuan Station of Agro-ecosystem Observation, Chinese Academy of Sciences.

采用动态采样结合室内分析方法，比较研究了中国科学院桃源农业生态实验站的长期田间定位试验中长期施与不施磷肥、有机物料循环再利用和在有机物料循环再利用的基础上配施磷肥等几种施肥模式对土壤Olsen-P含量、水稻不同生育期茎叶和子实磷含量、以及各生育期累积吸收和利用磷的影响。

Soil physico-chemical properties and variability in space and time in tillaged-layer of paddy, dry field and vegetable field in different physiognomic areas were analyzed. The variation characteristics for various soil nutrient elements in the three different types of farmland before and after twenty years were explored and compared.

不同区域间表现出江汉平原及鄂中丘陵区，高产田面积大(占70％以上)，而鄂东沿江丘陵区中低产田所占比例大(占75％以上)。20年间不同区域耕地地力变化表现出，丘陵区耕地面积大幅减少，耕地质量明显下降；平原区耕地面积虽有所减少，但减幅不大，耕地数量和质量保持基本稳定。2。

Mechanical properties of soil including resistance to pressure, shearing, and deformation, internal pressure in relation to soil moisture content were studied with model experiment of paddy soils in rice stubble field and in wheat stubble field under laboratory condition.

在实验室条件下，模拟稻茬和麦茬两种土壤状况，研究了抗机械强度、变形性质和内压力三者与土壤含水量的关系。

The diked paddy-fields (low-lying paddy-fields surrounded with dikes), roughly introduced in the period of Three Powers, rapidly developed during the times of North and South Song Dynasties and reaching their prime in Ming and Qing Dynasties, are a peculiar form of farming fields created by the people of South-East China through their long practice in water control and field management.

江南地区的圩田大致滥觞于三国之际，迅速发展于两宋，全盛于明清，是我国江南人民在长期治田治水实践中创造的农田开发的一种独特形式。文章以大量历史文献资料为基础，全面考察了江南地区圩田开发的历程与特点，研究了江南圩田兴盛的历史因素和自然条件，并简要分析了圩田的作用。

The diked paddy-fields (low-lying paddy-fields surrounded with dikes), roughly introduced in the period of Three Powers, rapidly developed during the times of North and South Song Dynasties and reaching their prime in Ming and Qing Dynasties, are a peculiar form of farming fields created by the people of South-East China through their long practice in water control and field man agement.

江南地区的圩田大致滥觞於三国之际，迅速发展於两宋，全盛於明清，是我国江南人民在长期治田治水实践中创造的农田开发的一种独特形式。

The diked paddy— fields (low— lying paddy— fields surrounded with dikes), roughly introduced in the period of Three Powers, rapidly developed during the times of North and South Song Dynasties and reaching their prime in Ming and Qing Dynasties, are a peculiar form of farming fields created by the people of South—East China through their long practice in water control and field man- agement.

江南地区的圩田大致滥觞于三国之际，迅速发展于两宋，全盛于明清，是我国江南人民在长期治田治水实践中创造的农田开发的一种独特形式。

In order to study the law of nitrogen leaching losses from the ponded paddy rice field under the conditions of drainage, based on the theories of potential energy and solute transportation a dynamic mixed simulative model for water and nitrogen in the field is suggested in this paper with combining the methods of stream-web and dynamics.

为研究淹灌稻田在排水条件下的氮素淋失规律，根据势能理论及溶质运移理论提出了流网法与动力学方法相结合的田间水氮动态混合模拟模型。

The main conversion of land use include four types: paddy field converted to builtup areas and water, the area of forest transformed to builtup areas and dry land area converted to construction land.

土地利用的主要转化方式有水田转化为建设用地、水田转化为水域、林地转化为建设用地以及旱地转化为建设用地。

In Szechuan Province, which Chiang made his stronghold during the Japanese war, sometimes as much as 59 per cent of the crop per mow of paddy field was taken by tax collectors; in Hunan, near the Tungting Lake, it was 53 per cent; in Yunan 49 per cent.

四川省是蒋介石在抗日时期的大后方，那里对农民征收实物税，有时达到稻米产量的百分之五十九；在湖南洞庭湖一带是百分之五十三；在云南是百分之四十九。

A farmer carries crops on bamboo baskets on his way to a paddy field in Sonapur on the outskirts of Gauhati, India, Apr.

四月二十五日，一名印度农人不行前往高哈地近郊索纳普尔的稻田时，用竹篮装载收成物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。