1·The effect of the soil conditioner MDM on ameliorating the meadow alkali soil was investigated by pot culture and field experiment.
通过盆栽及田间小区试验，研究了改良剂MDM对松嫩平原草甸碱土的改良效果。
2·The pot culture experiment of Vicia faba L. seeded in different soil drought shows that Vicia faba L. has certain adaptability .
蚕豆在不同土壤干旱条件下的盆栽试验结果表明，蚕豆对土壤干旱胁迫有一定的适应能力。
3·The variation of nutrient in soil of sequential cropping peanut and the response of such soil to organic and chemical fertilizers were investigated through pot culture.
采用盆栽试验，探讨了连作花生土壤养分的变化及对施用有机肥料和无机肥料的反应。
4·The effect of lanthanum (La) accumulation on availability of soil nutrients in red soil was studied through indoor soil culture and pot culture experiments.
通过室内培养和盆栽试验，研究了镧积累对红壤有效养分的影响。
5·The effect of application of organic materials on improving the fertility of Chernozem was studied with two-year pot culture experiments.
通过两年的盆栽试验，研究了有机物料对黑钙土的培肥作用。