英语人>网络例句>irrigated area 相关的网络例句
irrigated area相关的网络例句

查询词典 irrigated area

与 irrigated area 相关的网络例句 [注:此内容来源于网络,仅供参考]

The ratio of irrigated area to cultivated area,the number of electromechanical wells per each effective irrigational unit,the coefficient o...

结果表明:灌耕比、单位灌溉面积机电井数、土壤有效保水系数、农机动力系数等4个因子可以作为全省农业综合抗旱能力评价的指标;全省农业综合抗旱能力可以划分为高、中、低值区,其中,高值区主要分布在豫中、豫北的大部分地区;中值区比较分散,主要包括中西部低丘、缓岗区,平顶山东部、驻马店及信阳西南部,开封东部-商丘地区,林州-辉县县区;低值区又可分为2个小区,主要包括三门峡、洛阳中西部及南阳地区,信阳中部及东部。

Second, pay close attention to water conservancy facilities, in fully grasping Shihfang nullah at the same time, a number of new water conservancy projects, after electricity dam irrigation, drainage and dam heights village branch lined on three sides, and strive each year for 600 acres of irrigated area.

其次是狠抓水利设施,在全力抓石坊大渠同时,新上一批水利工程,后坝电灌、高峰村水渠和河坝支渠三面衬砌,力争每年新争灌溉面积600亩。

The effects of different fertilization on soil microbial biomass C, N, P and maize yield in light sierozem were investigated with a field experiment, which was continued for 4 years at Hongsibu irrigated area of Ningxia.

通过设置在宁夏红寺堡灌区开垦4a的淡灰钙土上的定位试验,研究了不同施肥对新垦淡灰钙土微生物生物量碳、氮、磷及玉米产量的影响。

Through the study of concentration of heavy metal in farmland from the city epigenetic irrigated area, the difference of their ability of beneficiation and health risks were analyzed and compared.

通过对试验区内玉米、小麦和土壤中重金属含量的研究,分析比较了作物对重金属的富集能力和健康风险。

From the author' s point of view, there are four feasible measures to improve the situation of salinization in Heihe River irrigated area, namely agricultural technical measures, water conservancy projects, biogeographical improvement and chemical improvement.

黑河灌区修复改良盐碱土的可行性措施大致可归纳为4个方面。即农业技术措施、水利工程措施、生物改良措施及化学改良措施。

Analyzed the salt content and degree of mineralization of ground water of plough level in the irrigated area where in the east of Hebei, according to different standard to divide the rice belt into suitable district, halophytic vegetation district, salt-tolerant crop district and dry crop district, then it proposed relevant planting technique and assorted technical measure.

分析了冀东滦下灌区四县稻田土壤耕层的全盐含量和地下水矿化度,并依据我国盐渍土壤划分标准和不同作物的耐盐能力,将该稻区划分为宜稻区、盐生植物种植区、耐盐作物种植区和大田旱作物种植区,并提出了各个区域的种植技术方案及配套的工程技术措施。

Grain yield per hectare is the most important factor in the method of the gray system analysis. There was significant correlation between effective irrigated area, the amount of fertilizer applied, mechanical power and the grain yield. The area of grain and the population of agriculture are factors that affect grain production. The correlation coefficient of natural resources and grain production changes unstably.

单产与粮食产量始终保持很高的关联度;有效灌溉面积、实际机耕面积、化肥施用量、农村用电量和农机总动力等农业投入对粮食产量提高影响重大;耕地面积和劳动力对粮食产量具有一定的制约;自然条件与粮食产量的关联度剧烈变动。

The total area of 27,818 mu of cultivated land, of which 22,600 acres of irrigated area.

总耕地面积27818亩,其中水浇地面积22600亩。

This article has selected from 1995 - 2007 13 year data, since has been our country stable agricultural policy data, reliable, obtains the grain yield and the farm investments, the crops sown area, the farm price, the primary industry working population, the countryside electricity consumption, the agricultural chemical fertilizer employment quantity, the disaster area, the yield per unit of area, the effective irrigated area finally through the empirical analysis, based on this and gives the comment and the measure.

本文选取了从1995年—2007年13年的数据,都是我国稳定农业政策以来的数据,可靠性强,最后通过实证分析得出粮食产量与农业投资、农作物播种面积、农产品价格、第一产业从业人口、农村用电量、农业化肥施用量、成灾面积、单位面积产量、有效灌溉面积,并在此基础上提出意见和措施。

The results show that, at the upstream of the Kaidou River, soil salinization is very weak; at middle reaches of the river, salinization improvement was a success in some irrigated areas, salt in the soil is very little, but in non-irrigated area, far away from the river, the salt percentage in soil is still very high; at the lower reaches of the Kaidou River, soil salinization is strong and there is a trend that the salinization increases with depth.

结果表明,在开都河上游,土壤盐渍化程度普遍较轻;在中游地带,灌区内的土壤盐渍化改良取得了一定的成效,土壤中的含盐量较低,但是在远离河谷的非灌区,土壤含盐量依然很高;在下游及靠近博斯腾湖的地区,土壤含盐量普遍较高,并有随深度增加而增加的趋势。

第1/4页 1 2 3 4 > 尾页
推荐网络例句

Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。