We researched the effects of N, P and K on quality of sweet Pepper by means of the "311-A" optimization compounddesign.
以彩色甜椒为试验材料,采用“311-A”最优混合设计,研究氮磷钾对彩色甜椒品质的效应。
2
And then, "311-a" optimum compounddesign was used to study on remediation of cadmium contaminated soil with calcium carbonate, calcium magnesium phosphate and humic acid.
然后采用“311—a”最优混合设计,研究碳酸钙、钙镁磷肥、胡敏酸组合配比对治理土壤镉污染的效果。
3
Finally, 311-a Optimization compounddesign was used to investigate the effects of nutrients on the growth of the seedlings and to obtain the optimal fertilization scheme.