1. Fertilizers that are not selected to have corrosive effects. For example, ammonium bicarbonate MORE

First, field symptoms: After the cotton plants were injured, the top leaves became eucalyptus, th MORE

Cabbage can be developed at each growth stage, 6-7 leaves before the seedling stage is the most su MORE

Cold spring, cold and warm, coupled with easy to suffer the cold weather, so that the spring cucum MORE

First, the preparation of nutritious soil The screened river sand and soil can be well mixed with MORE

The maintenance of energy-saving and emission-reducing agricultural machinery is a matter of savin MORE