By using "3414" fertilizer experiment method, the contents of n, p, K and yield of onion in Gaoqiao area were comprehensively analyzed.
试验采用二次回归“3414”完全方案设计，对高桥地区圆葱植株的氮、磷、钾含量及产量进行了分析。
The Fuji, Ralls and Golden Delicious of apple varieties, 120 samples were collected from 20 orchards in Yanshan mountain area and the leaf n, p, K contents were analyzed.
采集了燕山山区20个苹果园富士、国光和金冠等品种的120份叶样，对叶片中氮、磷和钾含量进行了分析。
The result showed that proper N-P-K ratio fertilizer improved seedless wampee's yield significantly;
结果表明：适宜氮磷钾配比可以显著的提高无核黄皮的产量；
Organic-inorganic granular fertilizer made of chicken manure powder plus N, P, K chemical fertilizers and microelements B, Zn, Mn, et al.
利用鸡粪为主体原料配以N、P、K化学肥料和硼、锌、锰等微量元素制成便于贮藏、运输和使用的有机-无机颗粒肥。
The R/T of radish was closely associated with N, P, K concentration.
氮、磷、钾浓度与萝卜的根冠比大小关系密切。
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量，干物质积累动态和养分吸收动态变化特点。
Studies were made of variation of pH, P, K, organic matter, and moisture in soil samples from different sites of north Shanxi.
对取自山西省北部不同地点、不同层次的土样的p H值、磷、钾、有机质、水含量的变化进行了研究。
The results indicated that: the soil moisture remarkably influenced N, P, K nutrition uptake.
结果表明：土壤水分对旱稻吸收N、P、K矿质元素有明显影响。
The growth and development, yield and quality, photosynthetic assimilation, and structure of Chieh-qua were affected by extraneous factors such as n, p, K nutrition and plant growth regulator.
营养和外源生长调节剂等外界环境因素对节瓜的生长发育、产量品质、光合同化及其解剖结构均有一定的影响。
A solution culture experiment was conducted to study the dynamics of dry matter accumulation and n, p, K absorption by flue-cured tobacco under different boron concentration.
采用溶液培养方法，研究了不同硼浓度下烤烟干物质积累动态和养分吸收动态变化特点。
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
This compound manure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
结果表明：该有机复合肥对水稻的增产效果显著，肥效与N、P、K三元复合肥相当，值得进一步研究开发。
Accumulation of n, P, K and sugar was increased during seed-filling stage in Ceratoides.
驼绒藜属植物种子形成过程中，N、P、K、糖等营养物质积累呈增加的趋势。
There was a close relationship between the nutrient uptake and distribution of N, P, K and the accumulation and distribution of dry matter.
棉株对养分的吸收分配中心与干物质积累分配中心一致。
As available P, K, Si increased, the amylose content of rice increased, too.
有效磷、钾、硅含量的提高还可增加直链淀粉含量。
Sewage contains large amounts of N, P, K and other nutrients, such as phosphorus is necessary for crops to grow as one of the important nutrients.
污水中含有大量N、P、K等营养元素，其中，磷是庄稼生长必需的重要营养元素之一。
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用；施硼有利于小麦对磷、钾、锌和锰元素的吸收；
Under low phosphorus condition, the ratio of root to shoot in all genotypes increased; uptaking and distribution of p, k, Ca, Mg, Fe, Zn between roots and shoots also changed.
低磷胁迫增大了植株的根冠比，改变了植株对营养元素的吸收及其在地上部和根系的分配。
Under low phosphorus condition, the ratio of root to shoot in all genotypes increased; uptaking and distribution of p, k, Ca, Mg, Fe, Zn between roots and shoots also changed.
低磷胁迫增大了植株的根冠比，改变了植株对营养元素的吸收及其在地上部和根系的分配。
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