Effect of a new pesticide, acetamiprid, on biologicalactivity in upland soil was studied through analysis of soil enzyme activities and soil respiration.
通过对土壤呼吸强度和土壤酶活性的测定，研究了新型杀虫剂啶虫脒对旱地土壤生物活性的影响。
2
In this study, the effects of a new type ofbiological organic fertilizer (NAEF) on tomato growth, yield and soilactivity quality were studied through pot experiments.
应用盆栽试验研究了新型生物有机肥(NAEF)对番茄生长发育、产量及土壤活性质量等方面的作用效果。
3
Soil organic matter (SOM) is the constitutive and biological basic substance ofsoil, is the condition and product of vital activity.