Integrated control of pests and weeds

The pests and diseases that harm wheat before winter are mainly underground pests, wheat yellow dwarf disease and bush dwarfism. At the same time, during this period, it is also a period of infestation of wheat rot and sheath blight, and comprehensive measures must be taken to prevent and control i---

Zucchini Grafting Seedling Technology

1. Root stocks and scion selection Rootstocks are selected from black-skinned squash, southern anvil or Renwu, warriors, warriors, and co-prosperity. Scion summer squash is selected according to the cultivation times and types and varieties. Autumn and winter sorghum cultivation uses heat-resistant---

Pesticide Safety Guidelines

The national government has reduced the levels of methamidophos, parathion, methyl parathion, monocrotophos, and phosphoamine five kinds of highly toxic organophosphorus pesticides in three phases. Since January 1, 2007, it has completely banned methamidophos, etc. Highly toxic organophosphorus pes---

White jade snail breeding technology

White jade snail breeding technology Introduction Zhejiang ★ Jinhua Fucheng Baichun Snail Development Research Institute Chapter One: Characteristics of White Jade Snails 1. Reproduction and Development White jade snails are hermaphrodites and allogeneic mating. When the month is more t---

Green vegetables fertilize 诀窍

Some people think that: the cultivation of green vegetables can only be applied organic fertilizers, the application of chemical fertilizers does not meet the standards of green food. This is actually a kind of misunderstanding. Nitrogen fertilizer is an inorganic nitrogen source that can be direct---