查询词典 fertilizer

Based on the water and fertilizer coupling experiment in corn field,one-dimensional soil moisture content model containing the water uptake corn roots is used in this paper to simulate the evapotranspiration and the water uptake of corn roots and the change of soil pondage and soil moisture budget under the different water and fertilizer coupling conditions in corn field.

结果表明：在玉米生长初期以棵间蒸发为主，其后则是以植株蒸腾为主；玉米在30～40 cm土层吸水速率达到最大值；玉米灌水量为田间持水量的70%与85%对土壤0～80 cm土层贮水量的贡献是相等的，并且高肥力在一定程度上可增强根系的吸水能力，高灌水可增强玉米根系对养分的吸收利用，但对于提高水肥利用率来说，理想的处理为中肥中水。

The synthesis of potash fertilizer from desiliconization slag and potassium carbonate,and the dissolution rate of potassium from potash fertilizer different conditions were studied.

以铁水脱硅渣和碳酸钾为原料合成钾肥，利用X射线衍射对钾肥试样的结晶性能进行了分析，并在水和柠檬酸溶液中分别测定了合成钾肥中钾元素的溶出率。

in filed test with randomized block design, with muskmelon variety Chunli as tested material, 5 fertilizer treatments were designed to investigate the effects of organic fertilizer on the agronomy characters, biomass, economic yields and quality of muskmelon.

方法］以甜瓜品种"春丽"为研究材料，设5个施肥处理，随机区组排列，研究有机肥对甜瓜农艺性状、生物产量、经济产量与品质的影响。

This paper aims to find out the nutrition characteristics and fertilizer absorption rule of Castor in arid red soil districts under the subtropical climate of Yunnan province, and establish a corresponding fertilizing technology under the condition. It choose the variety TCO-202 of Castor (Ricinus communis L.) as test material to observe and record the dry matter accumulation of each organ as root, stem, foliage and inflorescence, which are in the five critical growth stages as seedling stage、 bud stage、 blooming stage、 filling stage、 maturation stage of Castor {Ricinus communis L. respectively, and measure out the fertilizer absorption amount of nitrogen, phosphorus and potassium.

本文以云南北亚热带气候下的红壤旱地为试验条件，选用蓖麻品种TCO-202为试验材料，通过对苗期、现蕾期、开花期、灌浆期、成熟期五个蓖麻生长关键时期根、茎、叶、花序各器官的干物质积累和氮、磷、钾吸肥量的测定，研究云南红壤上蓖麻的营养特性和吸肥规律；依据蓖麻的营养特性和吸肥规律，结合云南红壤氮、磷、钾的含量与利用效率，制定适合云南红壤上蓖麻栽培的施肥技术研究方案。

The results show that the sand loam base on the grass,nitrogen fertilizer than mixed phosphate compound fertilizer production facilities or significant.

试验结果表明，沙壤土碱草地上，施氮肥比施氮磷肥混施或施复合肥增产效果显著。

Dung of cake, chicken, commodity date of organic fertilizer Ⅰ deserves to apply with chemical fertilizer respectively, the moderate of content of composition of tobacco leaf chemistry that production gives, candy / alkaline ratio, Potassium / chloric ratio is more harmonious, can improve tobacco leaf aroma to pledge apparently, increase tobacco leaf aroma to measure, scale of medium tobacco leaf rises on, increase tobacco leaf production value.

饼肥、鸡粪、商品有机肥Ⅰ号分别和化肥配施，生产出的烟叶化学成分含量适中，糖/碱比值、钾/氯比值比较协调，可明显改善烟叶香气质，增加烟叶香气量，上中等烟叶比例提高，增加烟叶产值。

To improve the quality of the coastal solonchak, effects of both the jute straw and organic fertilizer on both the enzyme activity and microbial number in the coastal saline soil modified with the different level of both the jute straw and organic fertilizer were investigated.

为改善滨海盐土质量，通过黄麻桔秆还田及施用有机肥对盐土的改良试验，研究不同施用量的秸秆与有机肥配施分别对土壤酶活性、微生物的影响。

The test areaswas 480.24 m2.The results were as follows:the excessive amount of organicfertilizer or urea was the cause of plant spindling and falling over. Application ofdifferent fertilizers for organic fertilizer≤15 000 kg/hm2,urea≤150 kg/hm2,KCl≤225kg/hm2,fused calcium magneium phosphate≤450 kg/hm2,have theapparent effects on increasing the individual plant productivity,the weight of one hundredgranule and the weight of one hundred kernel.Organic fertilizer and urea showed moreapparently effects.

结果表明，有机肥或尿素的过量使用是植株徒长倒伏的主要因子；增施：有机肥≤15000 kg/hm2，尿素≤150 kg/hm2，KCl≤225 kg/hm2，钙镁磷肥≤450kg/hm2，都能明显提高花生的单株生产力、百果重和百仁重，其中有机肥和尿素的效果极明显。

In this paper on the impact of rice production of hybrid rice varieties yield potential of their main factors using five measures:① disc seedling, low leaf transplanting seedlings longs for big panicles;② by organic fertilizer to ensure healthy balance growth;③ strictly control medium-term population, increasing ear rate ④ application of ear and grain fertilizer, optimizing the allocation of canopy leaves;⑤ pest control to ensure that live and mature, increase seed weight and seed-setting rate.

本文针对水稻生产上影响杂交水稻品种自身增产潜力的主要因素，运用五种方法和措施：即①盘式育秧，低叶龄小苗多头移栽，争取穗足穗大；②增施有机肥料，确保稳健平衡生长；③严格控制中期群体，提高成穗率；④巧施穗肥粒肥，优化冠层叶片配置；⑤防治病虫草害，确保活棵成熟，提高千粒重和结实率。

And the three-dimensional strengthen cultivation methods were used, The super high-yielding hybrid rice cultivation of quality strategy and strengthen the complex technical measures were put forward.① disc seedling, low leaf transplanting seedlings longs for big panicles;②by organic fertilizer to ensure healthy balance growth;③strictly control medium-term population, increasing ear rate④application of ear and grain fertilizer, optimizing the allocation of canopy leaves;⑤pest control to ensure that live and mature, increase seed weight and seed-setting rate.

并运用三围立体强化栽培方法，提出了杂交稻超高产优质强化栽培策略及综合配套技术措施：即①盘式育秧，低叶龄小苗多头移栽，争取穗足穗大；②增施有机肥料，确保稳健平衡生长；③严格控制中期群体，提高成穗率；④巧施穗肥粒肥，优化冠层叶片配置；⑤防治病虫草害，确保活棵成熟，提高千粒重和结实率。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。