在潮土和紫色土两种土壤上，比较研究了硫代木质素及其复合肥料对小麦产量的影响。
The effect of lignin and lignin-compound fertilizer on the yield of wheat was researched through field experiment in purple soil and moisture soil.
在北京潮土上研究了冬小麦-夏玉米轮作体系下土壤氮素反硝化损失。
Soil denitrification was studied in winter wheat-summer maize rotation cropping system with an aquic cambisol.
采用乙炔抑制-土柱培养法研究了北京郊区潮土上夏玉米生育期土壤反硝化状况。
Acetylene Inhibition method was used in a soil core incubation system to study denitrification loss from Beijing fluvial soil during summer maize growth period.
以潮土为供试土壤进行土培试验，研究了农用稀土对同时施加的尿素在土壤中形态转化过程影响。
By incubation experiment with luvisol, the influences of rare earths on the trans formations of simultaneously applied urea in the soil were studied.
盆栽试验结果表明，除HWSB较高的潮土外，其余4种土壤施硼均有不同程度的增产效果。盆栽试验和培养实验都证明热水不能完全提取当季施入土壤中的硼，而这些硼在后季作物生长中继续发挥效果。
The result of pot test showed the yield of the crops increased if applying boron in 4 soils with the exception of the alluvial soil in which HWSB was higher than that in other soils.
分析了不同施肥时期对砂质潮土小麦产量、氮素吸收与利用、土壤残留与氮素损失的影响。
The effects of different fertilization stage on wheat yield, nitrogen uptake, utilization, residue, distribution and nitrogen balance were studied by potted plant experiment.
境内土壤分为水稻土、盐土、潮土和沼泽土四大类。水稻土102.44万亩，宜植水稻、三麦等；
Into the soil in the paddy soil, saline soil, soil and tidal marsh soil four major categories. 102.44 million mu of paddy soil, to plant rice, wheat, and other three;
主要土壤类型土壤水溶性氟含量顺序是砂姜黑土、潮土＞黄棕壤、紫色土＞水稻土＞石灰土、粗骨土。
The test results show the following order of soil types as regard to the soluble fluorine contents from high to low: Shajiang dark soil, Yellow brown earth and Purple soil, Paddy soil, Limy soil.
本试验于2002~2003 年在“国家褐潮土土壤肥力和肥料效益长期监测基地（BFSFFELTMB）”（北京昌平）进行。
Research was intiated from 2002 to 2003 in "Beijing Fluvo-acqic SoilFertility and Fertilizer Efficiency Long Term Monitoring Base(BFSFFELTMB, founded in 1990)".
本试验于2002~2003 年在“国家褐潮土土壤肥力和肥料效益长期监测基地（BFSFFELTMB）”（北京昌平）进行。
Research was intiated from 2002 to 2003 in "Beijing Fluvo-acqic SoilFertility and Fertilizer Efficiency Long Term Monitoring Base(BFSFFELTMB, founded in 1990)".
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