At present, there are some new problems in pond fish farming. In terms of output, although there has been a significant increase, there are still some ponds with large potential for yield increase. From the point of view of aquaculture species, oysters, oysters, grasses, and alfalfa account for 90%
At present, the lean meat percentage of local pig breeds in China is only about 41%, and the binary crossbred pigs produced by mating foreign boars with local sows and the binary crossbred sows and foreign boars produce three Yuan hybrid pigs, the lean meat percentage of up to 50% or even more than
First, deal with less ploughing fields 1. To avoid potato cultivation with little or no ploughing, it is advisable to use paddy soil with convenient irrigation, loose soil, PH value of 5.5-6, and water and fertilization in sandy loam fields. It is particularly suitable for the cultivation of sandy
Cold damage during the winter wheat will have a certain impact on the yield, production should be based on the prevention of measures to take precautions. The timely remedial action after the occurrence of frost damage can reduce the loss of production. There are several factors that cause frost d
Chemical processing is mainly applied to roughage containing more crude fiber, including alkali treatment and acid treatment of coarse material. The purpose is to soften the fiber of the plant feed, or further decompose part of the fiber to improve the palatability and digestibility of the feed. A
Watermelon bean pods are mellow, soft and refreshing, with a long aftertaste and sweet back. They have a strong aroma of ester and a strong scent of sauce. They are very popular with consumers. Its nutrient-rich, analyzed, amino acid 0.76%, total acid 2.79%, chloride 11.93%, 10.8% reducing sugar, m
Chrysanthemum cake is called from the shape, the appearance is more beautiful, after baking the cake after loosening, the crisp layer rolled up, like chrysanthemum petals, cake surface with crystal small particles. This product method is relatively simple, and can meet the aesthetic requirements.
A team at the University of Connecticut said on the 12th that they inserted a gene from Arabidopsis thaliana into tomatoes to produce highly resistant transgenic tomato plants. Scientists said that this result may have important implications for the world's agriculture. University of Connecticu
First, pre-storage treatment (a) pre-harvest spraying. Flowering stage spray 1ppm concentration of gibberellic acid 1000 times liquid chlormethaine, 20 days before fruit picking, spray 1500 times thiophanate-methyl, 3 to 5 days before harvest, spray 10000 times liquid naphthylacetate to prevent cra
Supermarket fishery department estimates the number and quantity of aquatic products needed for the next day's sales based on the sales situation of aquatic products on the day, the weather conditions and seasons of the next day, and orders the headquarters or the procurement staff respectively