The No.1 potato king of the world
Potato king 1 has sturdy vines, green leaves, heart-shaped, engraved stems, purplish red stem veins, purplish red potato skin, pure white potato spindles, early and concentrated tubers, high tuber rate, 35% Mel 38%, and 24% starch in fresh potatoes. Spring potato has 3-5 tubers per plant, weighing 2mi 4kg, while summer potato 4m 5m 8kg, weighing 155m 3kg. Smooth skin, no crack ditch, inflated potato pieces, resistant to storage, strong sprouting. Resistant to fertilizer, barren and high resistance to potato diseases. Good seed, easy to manage, water-saving, medicine-saving, labor-saving, fertilizer-saving, with the characteristics of medium and short vines without turning seedlings. Cooked food is sweet and sweet. Noodle sand, rich in nutrition, often eaten can prolong life, and has the effects of losing weight, reducing blood pressure, defecating and so on.
Sowing time and cultivation points: spring planting from March 15 to April 15, summer planting from May 15 to June 15. The plant spacing is 30ml 40cm and the row spacing is 70cm. It is better for ridging and planting. Planting summer potato as soon as possible is the key to win the high yield of sweet potato. During the expansion period, potassium dihydrogen phosphate was sprayed every 15 days. If potato seedlings are prosperous and long, paclobutrazol can be sprayed for chemical control. Other planting methods can be planted with reference to local sweet potato varieties.
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Wheat stem chrysanthemum
Scientific name: Helichrysumbracteatum alias: Chrysanthemum, Iron Chrysanthemum: Compositae flowering season: winter to spring, about December to May of the following year: wheat stem chrysanthemum, plant height 70-120cm, stem stout, rough, seemingly hairy, leaf striate or lanceolate, inflorescence solitary branch apex, flower diameter 3-6 cm, disk margin petals are multi-layered involucral bracts around the head, outer bracts are short, arranged into imbricate, inner bracts elongate.
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What are the drugs that have special effects on rice bracts?
The main results are as follows: 1. the suitable period for control: it should be strictly controlled in the peak egg hatching stage and young larva stage, that is, from July 29 to August 6, the best period for pesticide control. 2. The control objects: green growth, late planting, late planting, late seed production and female parent rice fields are the key control fields. 3. Protect natural enemy resources, prohibit the application of highly toxic pesticides, and improve the parasitism rate of eggs, larvae and pupae. 4. Chemical control: Rice bract insects use 50 grams per 8000 mu.
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