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Potato between cane fields Preliminary Report

750 300g streptomycin foliar spray of water, and asked 15-day spray interval 1, for 3 to 5 times,[link widoczny dla zalogowanych], can effectively control a variety of disease occurrence. 1.2.4 potato harvester potato harvest in mid-March the following year, before the closing potato, sugar cane thrown off the first film to remove the weeds in sugarcane ditch, excavation of potato is generally a good morning, will dig out the tubers in the ground to 5 pm on the sun, press the potato 75-250g and 250g more than two grade to grade packaging. 1.2.5 After the potato harvest sugar cane fertilizer management, fertilizer sugarcane timely earth, urea per hectare, 300kg, plus composite ~ E600kg, matched with facilities to control sugarcane soil insect pests Ling 75kg, top dressing after the irrigation 1 earth, and promote sugarcane tillering growth. 2 Results 2.1 potatoes in mid-March 2006 cost of potato production in field measurement of paid results show that potato production 9.450-25.729t/hm, average yield 17.589t/hm, according to the order purchase price 680 yuan / t calculation, the output value of 11960.52 yuan / hm, net of potato species, agricultural inputs 3583.50 yuan / hm, net income of 8,377.02 yuan / hm, input-output ratio l: 3.33. 2.2 2.2.1 sugar cane growth and economic growth of survey results show that three different sugarcane varieties significantly different seedling growth, seedling emergence were 42, 71.2% cited the cloud,[link widoczny dla zalogowanych], cloud 18, 68.4% cited the Guangdong Sugar 93/15962.6%. The tiller is the Cloud lead early and more than 18 tillers rate of 183%; followed by Guangdong, sugar, 93/159, tillering rate was 157%; tiller less cloud 42, as cited 13l%. The highest rate of the clouds into the stem 42, 67.2% lead, followed by 18, 58.8% cited the cloud and the Guangdong sugar 93/15948.8%. 2.2.2 Field testing of sugarcane production cost of sugarcane harvesting results show that three different sugarcane varieties yield significantly different, which goes cited 18 127.95t/hm:, Cloud cited 42 131.40ffhm2, Guangdong sugar 93/159112 .05t/hm, average yield 123.80t/hm, sugar purchase price by 200 yuan / t calculation, sugar cane output value of 24,768 yuan / hm2. 3 discussions and suggestions sugarcane intercropping has obvious economic benefits of potato, sugar cane cultivation through improved such as the wide and narrow row spacing ditching the traditional planting, furrow planting with conventional row spacing compared to other field cultivator to facilitate management of air and light field conditions are greatly improved, improved light use efficiency of sugar cane, through the sugar cane wide row inter-row soil moisture between the surface of short-term crop species to achieve an effective improvement of land utilization purposes. Luxi City paddy cultivation, based on other economic crops, the results of the survey estimates, the size of the spring crop planting output value of 18849-25359 per hectare per year; a single output value of 21,690 yuan sugarcane / hm; and sugarcane intercropping potato only one of each hectares can be reached 8,377.02 yuan net income Moreover, the price of sugarcane and potato can order that the products do not find their own sales, and cultivation of other economic crops (such as watermelon, melon, etc.) the market price can not be guaranteed, the investment risk larger. Therefore, sugarcane intercropping potato is undoubtedly an ideal and efficient cropping patterns, has a broad application prospect, suggests that the Government increase investment and develop policy measures to guide farmers to vigorously promote the use of sugarcane sugarcane intercropping technology. The potato and sugar cane planting test interval is only 20 days, main crop planting time interval is too short, resulting in a symbiotic plant main and for too long, to a certain extent affected the normal growth of the main secondary crops in the future application, the proposed extension of main and proper planting time between crops can be managed in the earth and then planting sugar cane potato, potato water and fertilizer management on the one hand stagger the planting time with the cane, to facilitate field management operations, on the other hand the effective potato and sugar cane reduced the symbiotic period, reaching a shortening of the main purpose of secondary crops symbiotic, help to improve main and crop yields. Second, the test using wide row 140em,[link widoczny dla zalogowanych], narrow line 70em of wide and narrow row spacing, narrow-line cane dressing narrow earth is not easy to manage, it is recommended to switch to wide row 120em, narrow line of 90em the wide and narrow row distance. Cane is a good time again digging ditches,[link widoczny dla zalogowanych], surface soil moisture led to high potato,[link widoczny dla zalogowanych], potato easy to dry, growing weak tuber small, difficult to obtain high yield, large area in the future applications, first proposed excavation shallow ditch sugarcane until the sugar cane planting, the combined management of potato earth ditch clearance after planting rooted cane sugar cane, both for water and fertilizer management of potato fields, but also to ensure that the requirements of sugarcane planting furrow, to sweet potato harvest sugarcane dual purpose.
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