Large-scale shellfish fry production

The broodstock can be selected from broodstock, either naturally or artificially. The breeding period is from May to September and the peak period is from May to June. The female broodstock should have a body weight of about 25 grams, and the second-instar fish have more eggs. Female sex g.......

There are three tricks to cut the apple tree in autumn.

Apple's autumn pruning can improve light, enhance photosynthetic efficiency, promote nutrient accumulation, and ease tree vigor. It is particularly important for saplings, prosperous trees and trees with few results.

First, the pruning period is the autumn pruning with leaf pru.......

Occurrence and Control Measures of Rice Stripe Leaf Blight

First, the onset of symptoms in the initial performance of the yellow and green stripes from the heart began to appear, then gradually curled down the curve, dry plants gradually dwarf, leaves chlorosis, and finally the whole plant withered.
Second, the incidence of the law observed that .......

Agricultural Machinery Parts Repair Methods

Adjust the transposition method to replace worn parts with one position and continue working with parts that are not worn or lightly worn.
Second, the repair size Note The damaged parts will be refurbished to change the geometry of the size, and at the same time with the corresponding cha.......

Key points of cultivation technology of shiitake mushrooms

First, the cultivation of mushrooms covered with natural color, open and mushroom, large wet and dry, wet and dry alternating water management techniques, can make mushroom mushroom body, thick meat, mushrooms and more. The second is that the yield can be increased by 30% to 40% compared with .......

Tianjin Winter Wheat Planting Technology in 2006-2007

First, the guiding ideology

To develop high-quality, high-product varieties, planted with sufficient amounts of pods, enough fertilizer, and seeded at the time of harvest; cultivate strong seedlings before winter; limit nitrogen, stabilize phosphorus, supplement potassium, and bala.......

Ostrich breeding and management technology

(1) Feed: Artificial breeding species of ostriches should be provided with a balanced diet based on the nutritional needs of ostrich species. The feed is usually formulated according to the needs of the ostrich for calcium and phosphorus (the female ostrich has a high requirement for calcium a.......

Technical points for scientific breeding of fingerlings

The stocking of fingerlings is an important technical link in aquaculture. It is an important issue related to the success or failure of breeding and the economic benefits and ecological benefits of farming. The following is a brief discussion on the various technical points and disinfecti.......