Spring radish cultivation techniques

First, the choice of site and site selection and drainage and irrigation is convenient, soil quality is good, fertility in the middle of the land, the contiguous planting, the implementation of the autumn Pingtian land preparation, irrigation of winter water, winter and spring many times to protect the oysters, pick up the roots.

Second, the planting specifications total distance 225 cm, of which the wheat net belt 133 cm, two rows by, kind of 12 rows of wheat, corn width 92 cm, planting 3 rows, spacing 26 cm, spacing 18-20 cm, both rows of corn from the wheat 20 cm. Soybean intercropping is between corn and wheat. The spacing is 30 cm. Each wheat strip is planted with 2 rows of Suzi in the middle width row.

III. Cultivation Techniques 1. Selection of improved varieties: Seed selection is required. Production must use seeds full, purity not less than 96%, clarity not less than 98%, germination rate not less than 85%, moisture content not lower than 13% of the fine varieties are strictly forbidden to use grain instead of corn. All corn use coated seeds, and Suzi uses full-grown white suzi seeds.

2. Appropriate sowing: Wheat should be sown early in the end of February and early March. Maize should be sown on April 10-15. Soybeans should be sown before and after April 20th. Suzi should be sowed before wheat taro.

3, sowing volume and density: acres of wheat sowing 19-20 kg, acres of seedlings 34-36 million, 333-35 million harvesting ear, corn sowing volume of 3.0-3.5 kg. After the seedlings, 4400-4500 Mu seedlings will be planted, 3000-4000 seedlings will be planted in soybean mu, 1 kg will be sown in the Suzi general mu, and 1-1.2 million mu will be planted.

4, fertilization (1) base fertilizer: General Mushi farmyard fertilizer 5000 kg, fertilizer to promote formula fertilization, Mushi ammonium bicarbonate 50 kg, 50 kg of general phosphorus, or granular phosphate fertilizer 30 kg, the best fall.

(2) Seed Fertilizer: When planting wheat, the average mu is 12.5 kg of diammonium phosphate with the seed fertilizer, and when the corn is sown, 6 kg of diammonium phosphate is applied. (3) Top-dressing: 1 Before wheat was poured into the head water in late April, urea 10-12.5 kg was applied.

2 corn dressing 3 times, combined with wheat irrigation. Seedlings before and after May 20, acres of urea 10-12.5 kg; panicle fertilizer in late June, urea 25-30 kg per acre or ammonium bicarbonate 60-70 kg; grain fertilizer in mid-July (after wheat harvest), Mu recovers 10-15 kg of urea or 30-40 kg of ammonium bicarbonate. 3 Suzi is divided into 3 times: after the harvest, Miaofei is early to recover, and 5 mu of urea is recovered. From the end of July to the beginning of August, the fruit fertilizer was collected from branches and branches, and 5-10 kg of urea was harvested in the mu, and 2.5-1.5 kg of urea was recovered after the flower grows weaker.

5, irrigation irrigation time: the first time in late April; the second in early May; the third in late May (maize Miao Fei); the fourth in late June (ear corn fertilization); fifth in July (corn grain fertilizer); the end of the sixth July and early August (Suzi top dressing); the seventh end of August to the beginning of September.

6, pest control and weed control (1) weeding: In addition to the main wheat crops dicotyledonous weeds, at the end of April before the emergence of soybeans, acres with 72% of 2,4-D butter emulsion 40 grams, watered 30 kg spray.

(2) Pest control: 1 Aphids, closely watching the insects, the number of 100 strains of the birch at the jointing stage reaches 5, the mixed population at the booting stage has 50 strains, and the number of 100 strains at the heading stage reaches 250. Mu with 10-15 grams of avoiding dust agent, or 2.5% killing or 20% killing dicamba cream 10-15 liters, watered 30-40 kg spray.

2 armyworm, mu 50% phoxim 50-100 liters, or use enemy kill or fast extinguishment to kill 10-15 ml of Ding, 30-40 kg of water spray. 3 corn mash, before the end of April must remove the corn straw last year. In the big bell-mouth period (late June-early July), each corn is irrigated with 3-5 grams of poisonous soil or venom. The medicine can use 10-15 milliliters of kungfu emulsifiable concentrate and 8-15 milliliters of rifazone. 20 kg of sand or dust, venom, water 20-30 kg. 4 Starscream, mu using 40% omethoate EC 50 ml plus 20% dicofol EC 50 ml, or 5% Nisone EC (Wp) 75-100 ml, 20% swab can also be used Lee oil 50 ml per mu, spray 30 kg per mu, total defense 2-3 times, 10-15 days anti-time.

(3) Disease prevention and control: 1 Wheat powdery mildew: the diseased leaf at the booting stage has a rate of 20%, and it is controlled when the leaf rate reaches 10% from the flowering stage to the trifoliolate stage. Mu with 20% triadimefon 40 grams, or 25% triadimefon 30 grams with water 30-40 kg spray. 2 Wheat rust: The rate of diseased leaves before heading was 2% for prevention and treatment, and the powder was treated with powdery mildew. 3 wheat scab, 50 ml of 40% carbendazim gel suspension in the heading stage and 30-40 kg of water spray.

7. The harvested wheat should be harvested as early as possible at the end of wax production. Corn must be whitened at the end of September. The leaves should turn yellow and dry, and the grain should be harvested when the grain becomes hard and hard. Soybean leaves turn yellow and the pods harden when harvested. Suzi easy to drop, should be harvested as early as possible in the mature period.

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