1·This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.
实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响，及对土壤中铵态氮和硝态氮贮量变化的影响。
2·To determine the drought resistance in seedling stage, 45 varieties with different types and drought resistance level were subjected with methodology of repeated drought treatments.
对不同抗旱级别的45份春小麦进行苗期干旱反复法抗旱性鉴定；
3·The plant of the corn under FI treatment was maintaining the maximum biomass, from the seedling stage, (more than that under DI75% and PRD75%).
从苗期开始，充分灌溉处理（FI）的植株就保持较高的生物量，其次是DI75%和PRD75%处理的植株。