Kongyu 131 japonica rice
It is owned by Heilongjiang Academy of Agricultural Reclamation Sciences. From 1995 to 1996, the average unit yield of 6767kg/hm2 in the regional trial was 1.6% higher than that of Hejiang 19, and the average per unit yield of 7684.5kg/hm2 in the production demonstration in 1999 was 8.9% higher than that of Hejiang 19. The number of childbearing days is 127days, and the active accumulated temperature is 2320 ℃. Plant height 80cm, panicle length 14cm, 80 grains per panicle, 1000-grain weight 26.5g, strong tillering ability and high panicle rate. In 1996, seedling blast grade 9, leaf blast grade 7, ear neck blast grade 9, natural pathogen blast grade 9, leaf blast grade 7 and ear neck blast grade 7 were artificially inoculated. The appearance of rice is excellent and the taste is good.
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Morphological characteristics and Control techniques of Butterfly in ruled Rice
The straight-striped butterfly belongs to Lepidoptera, Butterfly family. The adult is 17-19 mm long and has a wingspan of 36-42 mm. The body and wings are dark brown with golden luster and the antennae are stick-shaped. There are 8 white translucent markings on the front wing and 4 white markings on the rear wing, which are arranged in a zigzag shape. The egg is hemispherical with a slightly sunken top and a hexagonal reticulation on the surface. It is light green at first birth and purplish red before hatching. The larvae are generally 5th instar. The head of the newly hatched larvae was black, the body was grayish green, and the color of the head gradually changed to light brown after the 2nd and 3rd instar. Body length of mature larvae
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Cultivation techniques of post-rice bean
The cultivation of post-rice beans is a cultivation method in which the soybeans are sown or sown on demand and then covered with straw instead of ploughing and raking the fields in autumn. It has the advantages of simple planting, labor-saving, time-saving, less investment and good effect. it is a short, flat and fast project to improve multiple cropping, grain, feed and income. First, there are many excellent varieties of soybean. After mass purification and rejuvenation, the varieties with good ecological adaptability, high yield, disease resistance and moderate growth period can be selected.
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