查询词典 crop up

Starting from the correlation between precipitation and crop water requirement in Chaoyang County,the profit and loss of natural precipitation and the drought situations in Chaoyang Area were discussed by using the balance formula of crop water requirement and drought index method.

从朝阳县降水量与作物需水量之间的关系出发，应用作物水量平衡公式和干旱指数法，探讨朝阳地区自然降水的盈亏与干旱情况。

For a given rice variety, the crop harvest index, which is calculated by the grain yield divided by total dry matter produced above ground, may vary with crop management practices used.

对于给定的水稻品种，作物收获指数（由籽粒产量除以地上部分总干物重求得）可能随作物管理措施不同而变化。

In order to make the current grade-determination method of the cultivated land more rational, the paper has analyzed the natural and social economic factor of cultivated land quality deeply. Many ideas, including the theoretical foundation on grade-determination, the authenticity of the basic materials, the division of the index district, the determination of the appointed crops and their parameters , the largest theory output of the crop and the definition of the suitable range about index district, the control of the equivalence district in the county , the revision of the multiple crop index and the application of GIS ,etc. have been deeply discussed, and the current grading model of the cultivated land has been revised.

为使现行耕地分等方法更趋合理，本文以耕地质量评价的相关理论为基础，强调了基础资料对等别划分的重要性，明确了获取方法，并对指标区的划分、指定作物及其参数的确定，作物理论最大产量及其适用范围的界定，县域范围内等值区的控制，土地利用系数的修正、复种指数的修正和GIS在耕地分等中的应用等方法进行了深入探讨，修正了现行耕地分等模型。

This paper, by establishing some functions between theoretic unit production of standard crop and natural quality of farmland graduation, and between feasible unit production of standard crop and utilization index, verifies the theoretic unit production, feasible unit production, and based on this, the regional theoretic unit production, regional feasible unit production.

通过建立农用地分等单元标准粮理论单产和自然质量等指数的函数关系、标准粮可实现单产和利用等指数的函数关系，分别核算分等单元的理论单产及可实现单产，以此为基础核算区域理论产能及可实现产能。

This article introduces present research of high voltage static electric processing equipment and experiment device,and notes the importance Of high voltage static electric technology in classification and select,biological activity of crop seed.,and outlined the features and current situation of the technology in crop seed process.

由于高压静电技术在作物种子中的分级分选、生物学效应等方面发挥着越来越重要的作用，概述了高压静电技术特点及在作物种子处理中的研究现状，探讨了其发展趋势，并进行了展望。

Proven package of scientific technology for maximum crop yields requires that improved seed, crop management practices and the use of inputs should be fine-tuned to farm-specific-situations.

已经证明的作物高产配套科学技术要求改良品种、作物管理措施和使用投入等应针对特定农场条件。

Fifteen japonica and 15 indica rice cultivars were grown in the field for two crop seasons both in Taipei and Taichung. Samples were taken at 4 different growth stages (booting, heading, milky and dough stage) during each season to obtain data of leaf atea index, leaf area duration, leaf N concentration, the amount of dry matter accumulated , crop growth rate, and net assimilation rate.

本试验以稉秈稻各十五个品种为材料，分别於台北及台中进行两期作之田间试验，并於孕梗期、抽梗期、乳熟期及糊熟期取样，测定叶片氮素浓度、叶面积及总乾物重，并求叶面积指数、叶面积持续期、作物生长速率及净同化率。

The basic method will be to realize co-development of crop cultivation, animal husbandry and aquaculture while actively developing transportation and marketing and the processing industry with raw materials derived from crop cultivation, animal husbandry and aquaculture so as to tightly link grain production with transfer, processing and circulation, add value by manifold ways, increase the comparative benets of grain production and the income of the farmers, and ensure the sustained, stable development of grain production.

中国政府将采取一系列政策措施，促进粮食贸工农一体化经营，逐步建立以粮食为基础的高效农业体系，基本途径是，实行种植业和养殖业的复合发展，积极发展以种养业为原料的加工业和运销业，使粮食的生产、转化、加工和流通等环节紧密联结，多层次转化增值，提高粮食生产比较效益和农民收入，保证粮食生产的持续稳定发展。

A typical crop dusters, the average life expectancy of 60 years, the number of crop dusting planes in the reduced, and this line is inevitable ...

典型的作物喷粉飞机的平均寿命为60年，作物喷粉飞机的数量在减少，而且这一行难免有。。。

In the northern wheat growing areas, most of the water used by the wheat crop falls before the growing season and the crop is grown mainly on stored moisture from fallowing.

北部的小麦栽培区，大部分小麦用水降于生长季之前，作物生长主要依靠休闲时土壤积蓄的水分。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。