Nutritious liquid NPK ratio is somewhat different (and the content of trace elements is the same ratio), so they could observe different kinds of nutrient solution on cyclamen growth potential and photosynthesis of the strength of the impact.

11種營養(yǎng)液在氮磷鉀配比上有所不同（微量元素的含量和配比是相同）国产高清无码自拍，從而可觀測出不同種營養(yǎng)液處理對仙客來生長勢和光合作用的強(qiáng)弱的影響。

To study the possible effective factors of culture condition by comparing with different explantation, nutrient medium,pH, temperature, illumination, growth substance of plant and its ratio.

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In addition, the colonization of Glomus mosseae also reduced N∶P ratio of clover, this can lead to the shift in limitation from P to N nutrient.

此外成年人免费视频a片，在一定磷水平下，菌根真菌的存在降低了三葉草中N∶P比色偷偷色偷偷少妇水真多，這會改變?nèi)~草的受限制方式一级做a爰片久久毛片A片手机，由受P元素限制變?yōu)槭躈元素限制。

The nutrints imported from rainfall,and ratio between nutrient content and total nutrient content in macroelement and microelement,and changes in month and year were analyzed.

本文就寒溫帶大興安嶺林區(qū)興安落葉松原始林生態(tài)系統(tǒng)降水輸入總養(yǎng)分含量欧美人体十八禁柔术视频、大量元素和微量元素的養(yǎng)分含量占總養(yǎng)分含量的比值欧美一级黄色日批、降水輸入養(yǎng)分含量月際變化和年內(nèi)分配等進(jìn)行了分析。

Meanwhile, root to shoot ratio of the ramet grown in low light intensity and high nutrient availability significantly increased while that of the ramet grown in high light intensity and low nutrient availability greatly decreased.

深度遮光黄色网站视频网、低養(yǎng)和高鹽均顯著削弱金戴戴的生長一级毛片AA片免费视频在线播放，其生物量、葉面積污污污午夜福利18禁、分株數(shù)91高清在线亚洲一区二区三区、匍匐莖長及葉柄長和根冠比對基質(zhì)鹽分的可塑性大小和格局顯示出基株間的差異。

As a result, you get a lower nutrient per pound ratio but probably the same nutrient per tomato.

結(jié)果日批网站视频，你買到的番茄每磅的營養(yǎng)比例較低，而每一個番茄的營養(yǎng)都是一樣的2017年国产一级黄片。

The amount and ratio of nutrient translocations from leaf to grains vary with the mulching, and the supply of water and nitrogen fertilizer, indicating that the different water-fertilizer control measures can regulate nutrient transport and distribution in plant.

養(yǎng)分由植物葉片向子粒的轉(zhuǎn)運(yùn)量及轉(zhuǎn)運(yùn)效率隨水分国产欧美日韩精品一卡、氮素和覆蓋條件的變化而發(fā)生顯著變化，說明不同肥水調(diào)控措施可以調(diào)控養(yǎng)分在植物體內(nèi)的運(yùn)輸和分配18人人黄色视频在线观看。

The production of crop specific controlled release BB fertilizer is simple and easy to do by mixing different nutrient-lapsed time fertilizers according the different nutrient demand ratio of crops,it should be the developing direction of compound fertilizer in China.

分析了樹脂和硫磺包裹尿素緩釋肥料發(fā)展緩慢的原因和弊端欧美人群三人交视频免费，提出以水溶性聚合物作為尿素和復(fù)混肥料的包膜膠結(jié)和內(nèi)質(zhì)緩釋劑日韩特黄性爱毛片免费视频，具有降解快對作物無害改善土壤結(jié)構(gòu)成本低等特點(diǎn)，將促進(jìn)緩釋肥料的發(fā)展采用生產(chǎn)不同時間段釋放養(yǎng)分的緩釋肥高清日韩精品更新AV，按作物不同生育期對養(yǎng)分的需求比例摻混在一起沈阳熟女露脸对白视频，生產(chǎn)作物專用的緩/控釋BB肥料簡單易行，應(yīng)是我國緩/控釋肥料的發(fā)展方向

The average level of the soil available potassium was 119.96 mg/kg, which decreased 18.94 mg/kg and 1.05 mg/kg one year averagely. But the decreasing trend alleviated in recent years. There were 39.5 kg/hm^2 nitrogen and 30.9 kg/hm^2 phosphorus (P2O5) more than needed averagely, and 150.0 kg/hm^2 potassium (K2O) in deficiency. Though the fertilizer application was high and the rate of fertilizer was 647.96 kg/hm^2 in nutrient, the ratio of organic to inorganic was still unreasonable. The ratio of the chemical fertilizer nitrogen phosphorus (P2O5) and potassium (K2O) was 1:0.42:0.14. The nitrogen application was enough and even higher than that was needed. The phosphorus was proper elementarily and potassium was in deficiency. The yield of wheat which was the main crop increased slightly and that of other autumn harvest crops was stable.

土壤速效鉀7年平均值119.96 mg/kg啊啊啊嗯爽网站，比第二次土壤普查時下降了18.94 mg/kg外国性交狂操视频，平均每年以1.05 mg/kg的速度下降，但近年來下降趨勢變緩国产精品无码无片在线播放；養(yǎng)分平衡中氮素平均盈余39.5 kg/hm^2黄色片黄色网站黄色片，磷素(P2O5)盈余30.9 kg/hm^2，鉀素(K2O)虧缺150.0 kg/hm2黄色网络视频在线播放；全省施肥水平較高一级高清理论片免费大全，每公頃總施肥量折純養(yǎng)分647.96 kg，但有機(jī)無機(jī)比仍不合理www.91免费视频，化肥氮国产精品无码AA不卡视频、磷、鉀投入比例1：0.42：0.17欧美区第一页，氮肥充足女高中生第一次破处，部分地區(qū)用量偏高，磷肥基本合理日韩美图精品自拍视频在线观看，鉀肥不足91最新国产；主要農(nóng)作物小麥產(chǎn)量略有上升，其它主要秋收作物產(chǎn)量基本穩(wěn)定中老妇女毛片黄片视频。

The treatments of NPK and NPK+BCF were better than those of N, NP, NK on the plant height, stem, leaves area, chlorophyll, bearing fruit stick, extent of unfolding, the time of blooming and bearing fruit, and plant soma changes of harvest time. The ratio of basal manure to after manuring and the different ratio of after manuring showed mutual effects: The excessive nutrient had unfavorable influences on plant growth and development in former time.

NPK+BCF及NPK的配方在株高九九99视频网、莖粗、葉面積91福利在线播放、葉綠素含量满18周岁看的黄片、結(jié)果枝、展開度亚洲人午夜视频、開花期和掛果期男人的天堂网最新网址、收獲期植株營養(yǎng)體變化等指標(biāo)上都優(yōu)于NP、NK及只施N肥的配方91自拍偷拍论坛欧美性爱；不同基追肥比例及不同追肥比例表現(xiàn)出共同的效果：前期施入過多的養(yǎng)分不利于茄子植株的生長發(fā)育亚洲无码久久第一页。