In 2003,on the whole the soils in Wujiang were little acid, pH from 6.40±0.38 to 5.40±0.55now, and the trend of acid was in Tailake region. The available phosphorous in Paddyfield were significantly lower than. the other five land use patterns. As a result,controlling the phosphorous output form vegetable field mulberry yard and other dryland might be more significant to control the non-point pollution in Tailake region.

吳江市土壤基本上屬微酸性土壤，2003年耕地監(jiān)測(cè)中土壤pH值由1982年的6.40+0.38變?yōu)?.40±0.55女性黄色下体免费照片和视频永远免费，可見(jiàn)近20年來(lái)太湖地區(qū)普遍存在的酸化趨勢(shì)AAA性爱片；在稻田、林地操逼网av、桑園看黄片二级、菜地、果園国产污视频网站在线观看、旱地六種常見(jiàn)的土地利用方式中H色视频网站，稻田土壤速效磷顯著低于其它五種利用方式中；因此国产乱伦视频免费观看，在控制太湖地區(qū)磷的面源污染上日韩成人成色在线播放网站，控制菜地、桑園和其它旱地土壤磷的輸出可能更為迫切国产永久在线视频。

The regolith was expected to be very acid—probably too acid even for crops such as peanuts, potatoes and carrots that like their soils with low pH.

本來(lái)預(yù)計(jì)表層土壤酸性會(huì)很強(qiáng)——很可能對(duì)如花生6080午夜三级中文在线观看，土豆及蘿卜一類(lèi)喜好酸性土壤的作物而言都覺(jué)得酸性過(guò)強(qiáng)。

The regolith was expected to be very acid—probably too acid even for crops such as peanuts, potatoes and carrots that like their s oil s with low pH.

本來(lái)預(yù)計(jì)表層土壤酸性會(huì)很強(qiáng)——很可能對(duì)如花生日韩黄色视频中文字幕，土豆及蘿卜一類(lèi)喜好酸性土壤的作物而言都覺(jué)得酸性過(guò)強(qiáng)欧日一级黄片。

The foreign experience of planting alfalfa on moderately acid soil showed that inoculating acid-tolerant rhizobium could improve the yield and quality of alfalfa.

國(guó)外在中度酸性土壤上種植紫花苜蓿的經(jīng)驗(yàn)表明，酸性土壤上接種高效耐酸苜蓿根瘤菌是提高紫花苜蓿產(chǎn)量和品質(zhì)的重要措施自拍视频.com。

The influence of environmental variables on distribution of PAHs(1) The concentrations of PAHs were higher in warm temperate zone and subtropical zonethan in low temperature zone;(2) The concentration in plain, hilly land and Ya\'an mountainousregion were higher than in other places;(3) The concentration in paddy fields, dry land andforests were higher than in artificial land and grass;(4) There was positive correlation betweenthe concentration of PAHs and TOC. The correlation was more obvious for 4-rings PAHs thanfor 5-, 6-rings PAHs;(5) The concentration of PAHs in acid soils was higher than in alkali andneutral soils;(6) The concentrations in conifer and spinney forest were higher than inbroad-leaved forest.Part two: The temporal and spatial distribution characteristics of POPs at Basin-MountainTransect.

環(huán)境因素對(duì)多環(huán)芳烴分布的影響(1)溫帶和亞熱帶地區(qū)土壤多環(huán)芳烴含量高于低溫地區(qū)土壤中多環(huán)芳烴含量色色五月天社区；(2)在平原、匠陵和雅安市附近的山區(qū)多環(huán)芳烴含量高于其他地區(qū)含量：(3)水田操美国大逼、旱地和林地多環(huán)芳烴含量高于建筑用地和草地中含量黄片看看；(4)多環(huán)芳烴含量和土壤總有機(jī)碳含量成正比，四環(huán)多環(huán)芳烴與總有機(jī)碳的相關(guān)性高于其他多環(huán)芳烴的相關(guān)性丁香欧美亚洲小说在线观看；(5)酸性土壤中多環(huán)芳烴含量高于堿性和中性土壤中含量26uuu欧美综合；(6)針葉林和灌木林多環(huán)芳烴含量高于闊葉林中的含量。

Degradation rate was influenced by pH value of the soil. The degradation of Chlorsulfuron in alkline soils was slowly, on the contrary, in acidic soils were rapidly. Chlorsulfuron in alkaline soils easy cause detrimental effects on the crops easily. 2. Many xerophyte of succeeding to wheat is highly sensitive to Chlorsulfuron. The succeeding crops will be injured if Chlorsulfuron is used in alkaline soil.

通過(guò)各項(xiàng)試驗(yàn)研究取得結(jié)果如下： 1人人操大屁股、氯磺隆土壤殘留研究表明超碰青春娱乐网，它在土壤中的降解主要以水解作用為主，土壤pH是影響氯磺隆在土壤中降解速率的主要因子黄片免费进，它在酸性土壤中降解較快一级视频a，而在堿性土壤中降解較慢，因此氯磺隆農(nóng)藥在堿性土壤中使用易造成對(duì)后茬作物的危害影響久久九九精品99精品。

Considering the quality index comprehensibly, the treatments of high yield with fine quality were 1.5N treatment in strong acidic soil, 2N1.5K trentment in acidic soil and 2 treatment in slight acidic soil, which contents of Vc, amino acid, soluble sugar, solid substance and total acidity were rather higher and the content of nitrate was lower.

甜椒果實(shí)Vc18禁黄网站禁片无码观看、氨基酸、可溶糖和固形物含量較高黑人的又黑又大又长、硝酸鹽含量較低的優(yōu)質(zhì)高產(chǎn)組合為：強(qiáng)酸性土壤1.5N處理久热日韩视频免费无码观看网站、酸性土壤2N1.5K處理和微酸性土壤2處理。

The results showed that there were significant differences among fungal species or ecotypes in all above index,which varied with soil types.First,six fungi could colonize maize root on three soils,and the fungal colonization rate was higher on soil collected in the region that had been screened for cinnamon soil and brown soil.

結(jié)果表明欧洲精品视频免费播放，6種菌株在上述指標(biāo)上存在顯著的種間或生態(tài)型差異www.青青，土壤與菌株間存在顯著的交互作用。6種菌株在3種土壤上都能與玉米形成菌根日韩成人作爱在线视频观看免费播放，在褐土和棕壤上大多數(shù)菌株在分離地所在地區(qū)土壤類(lèi)型上的菌根侵染率較高国产激情自拍视频在线观看，說(shuō)明其對(duì)該土壤條件的適應(yīng)性較強(qiáng)；在紅壤強(qiáng)酸性土壤條件抑制了菌根真菌的侵染欧美老妇逼。

The traditional approach to supplementing P for plants is to apply P fertilizer to the soil, but most of it may be readily immobilized or fixed by calcium ions in the lime soil or by iron and aluminum hydroxide in the acid soil, which results in a low use efficiency of P applied.

改善植物磷營(yíng)養(yǎng)的傳統(tǒng)方法是對(duì)土壤增施磷肥女生被操的喷水视频，但大部分磷肥被石灰性土壤中的鈣和酸性土壤中的鐵、鋁氫氧化物固定成為無(wú)效態(tài)在土壤中積累起來(lái)一级黄免费视频。

In acidic soils, its toxicity is considered to be the most limiting factor for plant productivity.

全世界有39.5億hm~2酸性土壤不卡国产在线，其中可耕土壤面積為1.79億hm~2，如何解決酸性土壤的鋁害問(wèn)題已經(jīng)是不容忽視的一項(xiàng)重要課題欧美黑白配性爱视频。

acid soil：酸性土壤

acid resistant 耐酸的 | acid soil 酸性土壤 | acid solution 酸性溶液

acid soil：酸性土壤 酸土

acid rain 酸雨 酸雨 Y | acid soil 酸性土壤 酸土 Y | acidic rock 酸性巖 酸性巖 Y

acid soil improvement：酸性土壤改良

acid soil 酸性土 | acid soil improvement 酸性土壤改良 | acid solution 酸性溶液

acid soil condition：酸性土壤環(huán)境

acid response 酸性反應(yīng)(12,180) | acid soil condition 酸性土壤環(huán)境(22,123) | acid soil 酸性土壤

acid soil plant：酸性植物

acid soil 酸土,酸性土,酸性土壤 | acid soil plant 酸性植物 | acid solution 酸溶液

soil acidity：土壤酸度,土壤酸性

soil abundance 土壤資源豐富 | soil acidity 土壤酸度,土壤酸性 | soil adhesion 土壤附著力,土壤粘附

soil acidity：土壤酸性

土壤酸性 Soil acidity | 土壤分析 Soil analysis | 土地資本 Soil capital

Soil sourness：土壤酸性

植物嫌地 Soil sickness | 土壤酸性 Soil sourness | 地被物 Soil-covering

Marchantia：地錢(qián)屬

在腐殖質(zhì)豐富、含氮量高的土壤上,常生長(zhǎng)著葫蘆蘚屬(Funaria)美女黄片视频免费观看、地錢(qián)屬(Marchantia)等;酸性土壤上常生長(zhǎng)曲尾蘚屬(Dicranum)国产综合精一区二区在线观看、仙鶴蘚屬(Atrichum)等;中性土壤上常生長(zhǎng)提燈蘚屬、羽蘚屬(Thuidium)等;堿性土壤上常生有山羽蘚屬(Abietinella)欧美精品热视频在线观看、絹蘚屬(Entodon)等;

acidic oxygenous group：酸性含氧基團(tuán)

酸性紫色土:acidic purple-soil | 酸性含氧基團(tuán):acidic oxygenous group | 強(qiáng)酸性土壤:strongly acidic soil