Azolla grass soilless cultivation method

Umbelliferae is a perennial herb of Cyperaceae, native to the West Indies, with evergreen, elegant and elegant, ideal for indoor foliage plants. Azolla has a warm, moist, cool and cool environment. The management is more extensive and the breeding is simpler, and the rooting and planting are t.......

Leakage elimination of walking tractor

When a walking tractor was working in the field, he found that the red indicator cap on the engine oil indicator was up and down. The operator immediately stopped the operation and checked as follows: ? (1) Remove the M8 oil pipe connector on the cylinder head cover. Bolt, shake the engine wit.......

How to manage citrus garden in winter

A: In the dormant period of fruit trees, the orchard should be thoroughly cleaned, the trunk should be scraped and the skin should be scraped, and the overwintering insect source should be eliminated. At the same time, the diseased fruit, pests an.......

Non-pollution celery cultivation technology in cold area

1 Variety selection and seed treatment 1.1 Variety selection Non-pollution celery should be selected for petiole length, solid, less fiber, high yield, good resistance, and strong resistance to diseases and insect pests. The seed quality meets the requirements of the GB16715.5-1999 standard. 1.......

The artificial breeding technology of river crab

The large water surface crab breeding has the characteristics of simplicity, low investment, quick effect, high yield, and has broad prospects for promotion in our province. Combining with the actual situation of breeding crabs in our province, the crab water surface culture technology is intr.......

Ginger kiln "8 steps"

Ginger storage is an important means of guaranteeing the anniversary supply of ginger and regulating the market surplus. By storing ginger, ginger can be marketed at high prices in the off-season, thereby increasing farmers' income. There are many methods for storing ginger, among which th.......

Simple hatching of geese - hatching

First, the choice of eggs, preservation and disinfection of eggs should come from feeding and management of normal, healthy and high-yielding geese, male and female with a reasonable, best egg production within 7 days, if more than 7 days will be cryopreservation, with no more than 11 °C It.......

Lack of small plugs leads to large noise

Fault Example In the long-term repair practice, the Dongfeng Hong-20 tractor repeatedly encountered the problem of large reverse noise. After unveiling the gearbox cover, it was found that the surface of the reverse gear was peeled off and there were spots. The clearance between the reverse sh.......