您要查找的是不是：
- Effect of nitrogen fertilizer on yield and nitrate content in Brassica oleracea L. Var. Capitata L. 氮肥對結球甘藍產(chǎn)量與硝酸鹽含量的影響。
- Nitrogen fertilizer sources subject to ammonia volatilization losses are urea, urea-ammonium nitrate solutions, and anhydrous ammonia. 容易形成氨揮發(fā)損失的氮肥品種有：尿素、尿素-硝酸銨溶液和液氨。
- The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization,nitrate leaching and runoff. 稻田中氮素損失途徑主要有氨揮發(fā)、硝化-反硝化、淋洗和徑流,其中氨揮發(fā)是氮素損失的主要途徑。
- Effect of Nitrogen Fertilization on Nitrate Nitrogen Contents and Nitrate Reductase Activities in the Plants of Different Winter Wheat Varieties 施氮對不同品種冬小麥植株硝態(tài)氮和硝酸還原酶活性的影響
- What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
- Some commercial laboratories use periodic nitrate nitrogen tests as guides. 許多商業(yè)性的試驗室已應用定期的硝態(tài)氮分析作為指導。
- Should nitrogen fertilizer be applied after injected swine manure? 如何樹(shù)立種豬引入的科學(xué)理念?
- Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促進(jìn)番茄對氮和鉀的吸收。
- In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves. 在一些植物中，包括絕大多數的木本作物，硝態(tài)氮并非經(jīng)常存在于葉片中。
- Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor. 固定床自養反硝化去除地下水中的硝酸鹽氮。
- We got the relative compound standard indeterminacy of nitrate nitrogen content in water,8. 采用酚二磺酸分光光度法對水中硝酸鹽氮進(jìn)行不確定度評定。
- Anhua County Nitrogenous Fertilizer Fact. 安化縣氮肥廠(chǎng)。
- Rhoads F M.A comparison of ammonium and nitrate nitrogen for cigar wrapper tobacco[J],Agron.J. 李智勇;劉思英;丁一;等.;氮肥種類(lèi)和形態(tài)對烤煙生育及產(chǎn)質(zhì)的影響[J]
- The same result was observed under hydroponic condition with nitrate nitrogen in which glutamate or serine was added. 水培條件下，以銨態(tài)氮或尿素等作唯一氮源時(shí)，蕎麥中草酸含量遠低于以硝態(tài)氮培養的；
- Blanched gourd did not show such a pattern.Low temperature storage appeared to be favorable for the control of nitrate nitrogen in veg... 低溫處理有利于控制蔬菜中硝態(tài)氮的含量，但對可溶性總糖含量的影響卻較小。
- Mechanisms of Nitrogen Fertilizer Suppressing Atmospheric Methane Oxidation by Methanotrophs in Soils. 氮肥對土壤氧化大氣甲烷影響的機制。
- In order to establish an easy,rapid and practical method of determination of nitrate nitrogen in quality controlled water,thymol was applied. 用麝香草酚法測定水中硝酸鹽氮,并與標準方法酚二磺酸法進(jìn)行對照,所測結果經(jīng)統計學(xué)處理,兩種方法無(wú)顯著(zhù)性差異,精密度、準確度等各項指標符合分析標準。
- The effect of potassium increased with increasing yield and nitrogen fertilizer. 鉀肥效應隨著(zhù)產(chǎn)量和施氮量提高而增大。
- The results indicated that adding DCD significantly increased ammonium content and decreased nitrate nitrogen content at the same time. 結果表明,添加DCD明顯提高了相應處理的銨態(tài)氮含量,降低了硝態(tài)氮含量。
- The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application. 總磷需求量與土壤磷潛力和施用氮肥有關(guān)。
