The Ministry of Agriculture recommends spring sowing rice-- d you 68
D You 68 is a three-line hybrid rice bred by Rice Research Institute of Sichuan Agricultural University. Approved by Sichuan Province Crop Variety Approval Committee in 1997.
The whole growth period is 4 - 5 days longer than Shanyou 63, belonging to late maturing medium indica rice combination. The plant height is 120cm, the growth is regular, the plant is luxuriant, the tillering ability is strong, the panicle rate is high, the panicle is large and many, the panicle length is about 23cm, the grain number per panicle is 187 - 194, the seed setting rate is about 80%, and the 1000-grain weight is 26.3 - 27.7 g. It has wide adaptability, strong resistance, good maturity color, large seedling age elasticity, high and stable yield, and the general yield is 8250 - 9750 kg/ha. Rice quality is excellent, brown rice rate 82.1%, milled rice rate 72.2%, head milled rice rate 66.5%, grain length/width ratio 3.39, chalkiness rate 62%, amylose content 20.9%, main rice quality standards reach the first or second grade high quality rice standards issued by the Ministry. Resistance to rice blast.
It is suitable for planting late rice in Sichuan, Chongqing, Henan, Shaanxi, Anhui, Hubei, Yunnan and other provinces.
Main points of cultivation techniques: timely sowing, sparse sowing to cultivate strong seedlings. Timely transplanting, reasonable density planting, and sufficient basic seedlings. Fertilization is based on basal fertilizer, supplemented by topdressing; organic fertilizer is based on chemical fertilizer, supplemented by phosphorus and potassium fertilizer for yield increase. Strengthen field management, control insects but not diseases.
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Ten regiments of the first division of agriculture pioneered a new dry farming technique of drip irrigation under plastic film for rice.
In 2010, the first Agricultural Division and the Ten Regiment of the production and Construction Corps used new science and technology to transform traditional agriculture. According to the serious shortage of water resources and the disadvantage of being located in the lower reaches of the water supply unit of the first division, the independently developed new rice drip irrigation and dry sowing machine was used in rice production, which has been vigorously promoted by Alar, a division. According to Kong Jun, deputy commander in charge of agriculture in the first division, this cultivation model not only ensures that rice planting saves not only labor, but also water resources and farmland costs, and is conducive to increasing production and efficiency of rice.
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Standardized techniques of dry cultivation and sparse planting of Rice in Ningxia
Clean the pear orchard to scrape off the rough skin and warped skin, remove the cocoon pupae of pear heart borer, pear star caterpillar and other pests; clean up the withered branches, leaves and fruits to reduce the infection source of pear scab, brown spot, powdery mildew and other viruses; cut off the branches and stems of diseased leaves and eliminate the overwintering larvae of pear subcutaneous moth and pear stem wasp; the cleaning should be concentrated, buried or burned. Irrigation and fertilization in the period from defoliation to freezing to improve the overwintering ability of pear trees; 10 days before flowering in spring, combined with tree age and tree potential, 0.5 kg urea was applied per plant to promote flowering and leaf expansion. Turn over the tree disk deeply
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