查询词典 multiple cropping

Ha, the irrigated farmland rate to the total arable land increased 5. 3 times and the total number of drilled wells raised 19. 6 times. At the same time, multi-cropping index increased by 33％. The percentages of winter wheat and maize sown area went up and those of millet, potato sown area which consume less water in their lifetime went down in the past 50 years. The gross grain yield increased 1923. 3× 10〓ton and the yield of per hectare increased 5082kg during the past 50 years.

在种植业内部，小麦、玉米播种面积在粮食作物中的比例不断提高，而耐旱的谷子、高粱、薯类等杂粮作物播种面积不断减少，形成典型的小麦、玉米两熟种植制度。50年内本区粮食产量增加了1923.3×10〓t，粮食单产提高了5082kg/hm〓。

Planting system of grain oil-bearing and fresh crop, planting index, per unit area yield, gross output, planting way and crop rotation system of the whole Tibet in different period, as well as the planting situations of agricultural districts of river valley such as Lhasa, Lhoka, Shikaze,etc. were analyzed. The main agricultural district of Tibet at present were summarized:(1) Crop composition and distribution is unreasonable;(2) The intensive cropping development is slow;(3) The planting mode is single.

通过分析全区不同时期种植指数，粮、经、饲作物结构，单产，总产，种植方式和轮作体制，以及拉萨、山南、日喀则等河谷农区的种植情况，概括和总结出目前西藏主要农区：(1)作物布局不尽合理；(2)多熟种植制的发展缓慢；(3)种植体制模式单一。

In order to investigate the effects of different sulphur fertilizers on rice and the recycling and balance of sulphur in rice-rice agro-ecosystem, seven treatments with different sulphur fertilizers were applied in a rice-rice cropping field with randomized block design, which included no sulphur, ammonium sulphate, single superphosphate, elemental S, gypsum, 50％ S from gypsum and 50％ from elemental sulphur (50％ GYP + 50％ ES), 70％ S from gypsum and 30％ from elemental sulphur (70％ GYP + 30％ ES).

为了了解不同硫肥对水稻的效应及在水稻栽培农业生态系统中硫的循环与平衡情况，采用随机区组设计，将不同来源的硫肥设为7个处理包括：对照，硫酸铵，过磷酸钙，自然硫素，石膏，50％石膏+50％自然硫素，70％石膏+30％自然硫素，对水稻进行处理。

I won't be discussing resampling, cropping, or Halicarnassus for several pages.

我不会用几页来讨论重复取样、图片裁切、或哈利卡那撒斯。

Now, with the world economy in perhaps its worst pickle since the Depression, the names of Hawley and Smoot are cropping up again.

现在，世界经济正处于大萧条以来也许是最为困难的境地，霍利和斯姆特的名字又出现在人们嘴边。

Yet here it was, cropping up in his own honorific declaration.

现在它又出现在对他自己表示尊敬的宣言上。

By using the HYDRUS computer program, one dimensional water salt movement was simulated under diffirent well canal combined irrigation schemes with typical irrigation regime for cropping wheat in spring and corn in late summer.

针对灌区土壤地下水位高、地下水矿化度高、潜水排泄以蒸发为主等原因，研究了基本灌溉模式、井渠结合灌溉模式的改变对不同程度盐碱地改良的效果，提出适合银北灌区不同盐碱地的灌溉制度

This paper studied the categories and contents of phenolic compounds in greenhouse continuous cropping soil, and their effects on the growth of Cucumis sativus seedlings and Fusarium oxysporum hypha.

研究了不同连作年限大棚土壤中酚酸物质的种类、含量及其对黄瓜幼苗和枯萎病菌菌丝生长的影响。

Similar success stories are cropping up, in patches.

同样成功的故事也在阶段性中出现。

Experimental results show that the two schemes can preserve inaudibility and they are robust enough to against the different signal processing operations. In addition, very large watermarking information can be embedded into the original audio signal. Furthermore, it can resist the cropping and MP3 compression attacks.

仿真实验结果表明，两种算法都具有较强的鲁棒性和不可感知性，水印嵌入容量大，提取水印时不需要原始音频信号的参与，并且对裁剪、时间伸缩等攻击具有较强的稳健性，是可行的数字音频水印算法。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切