Add punctuation: According to Coupe et al 1998 insecticides and herbicides are used up to approx 5 kgha and 7 kgha
A: According to Coupe et al. (1998), insecticides and herbicides are used up to approx. 5 kg/ha and 7 kg/ha.

Add punctuation: It is key for manufacturers to produce marketdriven quality in efficient processes
A: It is key for manufacturers to produce market-driven quality in efficient processes.

Add punctuation: Dinner and socialize with the immediate family and neighbors in our garden
A:
Dinner and socialize with the immediate family and neighbors in our garden.