Technical points for crop pest control

First, to clarify the situation of pests and diseases, to prescribe the right medicine; to carefully identify the hazard symptoms of pests and diseases, mixed with various pests and diseases or unclear discriminating of pests and diseases, consult scientific and technical pers ....

The difference and application of three major systemic …

The three components of bispyribofum, penoxsulam and oxazolamide are all herbicide -selective herbicides . The bispyribyl ether is a pyrimidine salicylic acid herbicide, the penoxsulam is a triazolopyrimidine sulfonamide herbicide, and the oxazolamide is an aryloxyphenoxypropi ....

Aluminum extrusion die failure and treatment methods

【China Aluminum Network】 Profile due to thermal expansion and contraction, after discharge, its specifications will be smaller than the specifications of the mold about 1 m = 10 h. Square tube, round tube, the new model comes first to measure the wall thickness uniformity, and then lo ....

GBT 33000-2016 Basic Safety Standards for Enterprise Sa…

News Related Keywords: No tags. The basic norms of enterprise safety production standardization Foreword This standard was drafted in accordance with the rules given by GT/T1.1-2009 . This standard is proposed by the State Administration of Work Safety. This standard is under the jurisdiction ....

What is the design principle of Bay window

A reasonable bay window can bring unintended effects to the living room. It can also increase the space of the indoor space. The use of the bay window can make it a golden location, allowing your home's bay window to be picked up from here, and the bay window. Both practical and aesthetic need ....

Can not afford to eat in 2017, the hardware industry ro…

According to last year's smog stoves and bathroom hardware prices continue to rise, this year's Spring Festival this time the price hike continues to hit, the national multi-regional dealers feedback the opening of the manufacturers repeatedly issued price increases, many dealers frie ....

Cassia pillow and buckwheat pillow which is better or b…

The improvement of living standards, people's requirements for quality of life are becoming more and more strict, especially the guarantee of the spirit: the quality of sleep, so there are many health pillows on the market. Cassia pillows and buckwheat pillows are among th ....