Walnut planting scientific management technology upgrade

First, the choice of gardens requires the use of leeward sunny slopes, flat land or well-drained ditch flats. The soil is water-repellent and well ventilated, and the loam and sandy loam with a pH of 7-7.5 are suitable. Avoid planting walnuts on the soil where willow, poplar, and eucalyptu.......

Greenhouse vegetable science lighting new tricks

1. Grasp the reasonable planting density to avoid the reduction of ventilation and light transmission in the field.

2. Use a drop-free film. The drop-free film incorporates several surfactants into the formulation to allow water molecules and film surfaces to flow into the surface .......

Granule automatic packaging machine operation instructions

This automatic granule packing machine is a high-intelligent machine-type packaging equipment independently developed by our company. It can automatically complete all the work of bag making, metering, filling, sealing, cutting, counting, printing batch number, etc., .......

How is the gilt repeated fever?

In summer farms, pig breeds often show high fever, no eating, no name fever, and hyperthermia syndrome. The incidence of most pig diseases is about 50%, and the mortality rate is as high as 50%-90%. Serious economic losses have been caused to pig farms and farmers, and some farms have been.......