利用四川某含钾岩石制得的钾明矾进一步制备硫酸型钾氮肥和氢氧化铝，从原理、工艺等方面进行探讨，并通过中试解决了工业化生产所出现的问题。
The principle and process of producing potassium-nitrogen compound fertilizer and aluminium hydroxide from potash alum are studied. Some problems are solved through the pilot test.
在施氮肥的基础上增施磷钾有利提高含油量，降低蛋白质含量。
Adding phosphorus and kalium fertilizer on the base of nitrogen was propitious to increasing protein content and decreasing oil content.
在盆栽试验条件下，研究了氮肥不同用量和氮、钾配施对大青菜产量、品质和生理指标的影响。
Pot experiment was conducted to study the effects of nitrogen and potassium on the yield quality and physiology indices of garden sass.
肥料类型中单施氮肥或磷肥，病害严重，增施有机肥与氮磷钾配方施肥，可减轻病害；
UsingN, orp-manure only can emphasize the disease while using more organic manure and using N, P and K-manure in right proportion can lighten it.
分别从氮肥效应试验、磷肥效应试验、钾肥效应试验和氮磷钾养分平衡进行了研究。
And study the nitrogenous fertilizer response trial, phosphorous fertilizer response trial, potassium fertilizer response trial and nitrogen, phosphorous, potassium nutrition balance separately.
另外，增产效果与氮肥施用时期有关，在拔节期一次施氮效果最好，氮钾配施增产42 ．2 ％ ，单施氮增产25 ．9 ％ 。
To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.
钾肥的增产效率在两种氮肥水平下都较高，单位钾肥的增产量与土壤有效钾含量及施钾量呈极显著负相关；
The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.
单施氮肥的土壤，速效钾、缓效钾含量均降低，全钾含量变化不明显。
Available potassium and slow-released potassium contents were decreased, and total potassium content was changed insignificantly in the soil of mono-application of nitrogen fertilizer.
在盆栽试验条件下，研究了氮肥不同用量和氮、钾配施对大青菜产量、品质和生理指标的影响。
Pot experiment was conducted to study the effects of nitrogen and potassium on the yield, quality and physiology indices of garden sass.
子粒中的钾素含量受氮肥和钾肥的影响较小。
The K content of seeds had a little effect with the N and K fertilizer application.
子粒中的钾素含量受氮肥和钾肥的影响较小。
The K content of seeds had a little effect with the N and K fertilizer application.
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