Californian catfish is a kind of freshwater warm-water fish, originating in freshwater waters of No

Artificial culture of lobster The techniques and measures for the artificial breeding of lobsters

In the past seven years since China's transgenic insect-resistant cotton was promoted, the cumu

What are the symptoms of crops that lack certain nutrients? Crop nutrient deficiency (see table bel

Using EM cultures In the breeding process of alfalfa, the fermentation process of alfalfa feed (p

In the hot summer, farmers’ friends should take appropriate measures to promote the growth o

First, the pond conditions The pond area is suitable for about 3500 square meters, the water depth

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The adults of the yellow caterpillar are commonly referred to as "upside-down butterfly".

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The use of bad residue instead of part of compound feed to feed pigs can reduce feeding costs. Howe