After the third leaf stage topdressing denitrification N loss was lower in the earlier stage than later due to soil drought.

三葉期施肥后土壤干旱，反硝化損失氮量相對(duì)較低国产欧美日韩综合一区二区，隨后由于土壤水分狀況的改善而增強(qiáng)偷窥盗摄。

A tradition of scientific agricultural research and development, the use of modem machinery including aerial topdressing of pasture, and efficient pasture and soil management enables full advantage to be taken of a temperate climate and ample rainfall to obtain high yields from the land.

農(nóng)業(yè)科學(xué)研究和發(fā)展的傳統(tǒng)、空中施肥這類現(xiàn)代化機(jī)械的應(yīng)用国产精选桃阁阁在线视频、行之有效的草場管理和土壤管理使得溫暖的氣候和充足的降雨量所帶來的各種有利條件得以充分利用伊人久久久AⅤ老熟妇二区三区，因而土地的產(chǎn)量很高，牧業(yè)也成了新西蘭的最重要的行業(yè)最新理论在线电影免费网站。

Human development begins when a sperm fertilizes an egg and creates a single totipotent cell.

人發(fā)展開始當(dāng)精液施肥蛋并且創(chuàng)造一個(gè)唯一totipotent 細(xì)胞在线观看激情无码毛片。

I don't believe there is a need to transplant that flower into the soil of a different land, but I do believe there is a lot to learn from their methods of cultivating the garden.

我不認(rèn)為我們有必要硬將這樣的花朵移植到完全不同的土地上，但是學(xué)學(xué)施肥的方法曰韩三级精品，我想就是一門很重要的功課了av国模。

The contents of nutrients and mineral elements in tree peony were analyzed by SAS software.

現(xiàn)代花卉生產(chǎn)中，施肥已成為增加花卉產(chǎn)量欧美一级A片欧美性视频、保證質(zhì)量的主要措施之一六月色色网。

Fertilization is very important to the yield and quality of Trifolium pretense, but the effect of fertilization always ignored.

施肥對(duì)紅三葉產(chǎn)量和品質(zhì)的形成有較大的影響，而實(shí)際生產(chǎn)中往往忽視了肥料對(duì)牧草的作用一级黄片美女的奶水。

Trifolium repens L. and Hemarthria compressa planted in poor soil could grow normally during 2 years.

表明即使在土壤比較貧瘠的試驗(yàn)地內(nèi)欧州色色，在不施肥的條件下兩種牧草兩年內(nèi)均能較正常生長。

Combining with pot experiment, indoor chemical analysis and statistic analysis, this research was conduced to study the effects of soil and fertilization on yield and quality of Trifolium pretense from the point of plant nutrition.

本試驗(yàn)以紅三葉為材料国产综合精品久久亚洲，采用盆栽試驗(yàn)日韩精品福利资源网站大全免费、室內(nèi)化學(xué)分析和統(tǒng)計(jì)分析相結(jié)合的方法，從植物營養(yǎng)的角度研究了土壤和施肥對(duì)紅三葉產(chǎn)量和品質(zhì)(包括飼用品質(zhì)黄色视频一级片黄色、礦質(zhì)品質(zhì)欧美特级黄色视频播放、保健品質(zhì))的效應(yīng)。

It was concluded therefore that fertilization can be used to strengthen the competitive ability of perennial ryegrass and Trifolium repens with crofton weed, so crofton weed was restrained effectively.

因此可以建議超碰国产亚洲Av人人爱，在土壤肥力較差時(shí)日韩手机色情免费观看网站视频，可以通過施肥等措施來加強(qiáng)黑麥草和白三葉的競爭力，從而達(dá)到控制紫莖澤蘭的作用wwwwww18岁黄色禁。

Trinomial one time regression orthogonal design was used to fertilize the tomato sweet pepper with N, P and K according to prescription and study its effect on yield and quality.

采用三元一次回歸正交試驗(yàn)設(shè)計(jì)對(duì)番茄椒（tomato sweet pepper男插女福利，tsp）進(jìn)行N、P嗯a操我视频、K配方施肥国产美女av网址，研究其對(duì)產(chǎn)量及品質(zhì)的影響。