The two companies' dominance in pesticides, weed killer and several other products will likely increase after the consolidation of their marketing power and R&D division, which will dampen the rise of competitors, negatively impact technological advancement, and hurt downstream dealers.

The ministry believes the post-merger conglomerate will control nearly 40 percent of China's weed killer market, 75 percent for acid copolymers and 100 percent for ionomers.

""Compared to more elderly groups, younger pet owners are more likely to weed out misinformation from the internet.

Grid parity can also allow solar companies to compete on a level playing field and let the market select winners and weed out inefficient players, she added.

The regulator said it was necessary to weed out and punish illegal behaviors or monopolistic malpractices among platform companies, including forcing collaborating merchants to choose between their own online marketplaces and those of its competitors' for selling products, by abusing their dominant position in the market, "pinching off young shoots" by acquiring them, burning money to seize the "community group buying" market, hurting repeat customers with big data, ignorance of "fake and shoddy" products, leakage of customer information and tax-related illegal activities.

"River crabs loosen soil, weed the field, catch insects and fertilize rice, while rice can purify the environment and provide shelter for river crabs," he said.

It forecasts that more stringent quality parameters to be enforced for the country's refined products will require higher investment and upgrades that will "weed out inefficient plants" and could lead to a closure of 150,000 bpd of refining capacity by 2020.

China's ongoing efforts to improve air quality will not only benefit the air purifier sector, but also weed out less qualified players and provide a solid foundation to companies with genuine technological edge, according to a senior industry executive.

Joseph Jacobelli, a senior analyst of Asian utilities at Bloomberg, said bigger developers like China Longyuan Power and Huaneng Renewable, which still have returns from existing assets, will survive the subsidy reduction, while the new rules will weed out smaller players.

It can help weed out the incompetent companies and allow the competitive to stand out," Ma said.

"The opening up of China's auto market benefits both foreign and domestic companies, as the former will have a new market to explore and the latter will be forced to weed out outdated concepts and technology," said Bai.

This is why building a modern agricultural ecosystem is important and where digital and technological platform can make a huge difference, one example being that we can now provide information on local weather patterns, and weed and insect threats, to enable farmers to confidently increase yields and reduce pesticide use.

While implementing the registration-based reform that ushered more quality names into the A-share market, the country also toughened delisting standards and punishment against market misbehavior to weed out companies that are weak in fundamentals or indulge in fraud.

International investors' trust in Chinese equities has been enhanced after tougher regulations took effect to weed out listed companies indulging in misconduct or with weak fundamentals, experts said.

In addition, Tailong Commercial Bank purchases blacklists from commercial credit reporting institutions to weed out businesses with poor credit histories.

Regulators also appear to be in a difficult position as they are still working on the detailed regulations, trying to catch up with the sector's rapid growth and hoping to weed out illegal practices and rein in financial risks without causing panic among investors.