Fallow planting techniques of potato
Release time：2016-01-27 11:44:42
First, choose the field, sowing requirements of topsoil deep, loose texture in sowing in late November to early December. Which sowing in November 25 to December 5, as the perennial best period, because this can avoid frost full seedling, make full use of the cream of the high temperature on Rooting and budding, the cream after preliminary optimum temperature prolong the growth period and increase the yield. The next year in late March began to harvest, in April 15 days before the harvest is completed, grab the season of rice.
Second, fine soil preparation, have furrow planting potato planting most afraid of water, but afraid of drought, should advocate fine soil preparation, cultivating the high ridge cultivation, harrow tin Mu Liming 25 - 50kg, furrow, Qimian 70 80cm (1.2m packet channel), or 2.1m package sulcus (Qimian 1.7m).
Third, the selection of improved varieties, rational close planting of winter potato to be elected for whole early maturing varieties, such as gram new No. 4, cooperation 88, Atlantic, Zhongshu No.3, alfalfa and other new varieties, in order to improve the yield, the best selection of removal of virus-free seed, by planting double character or high ridge large beds, plant spacing of 25 x 30 cm, Mu 4440 strains - 5400 plant (2.1 patch distance x 0.35 spaced * 0.25 spacing).
Four, whole potato or cut potato planting, plant germination repurchase seed such as did not germinate, drying potato 2 - 3 days or pick out the rotten potatoes with the 1992 o 0.15 - 1 ppm or 0.1 - 0.2% potassium permanganate solution leaching potato 10 - 15 minutes, in the shade wet sand burial germination. 6 days of sorting time, the seed germination were not germinated to germination, germination has to push for anti dry potato, retting. Three days before planting to cut the potatoes, cut into 20 - 25g /, the germination and germination of separate, cut after dip plant ash and mix with carbendazim, or wash with water, after water with 600 - 700 times more bacteria spirit or thiophanate methyl 700 times liquid to soak 15 minutes to salvage airing one day above, is conducive to wound disinfection and healing and to prevent rotting. Not budding cut tuber to germination, a layer of sand layer of potato a total of 3 - 4 layers, keep moist, 6 - 7 days a, detected in sprouting tubers (see ya TOU), bud color immediately after planting, such as the potato is more than 1 day after treatment of budding can sow. Special attention in cut potato process, first cut good potato seed and cut rotten "head" potato, unified rotten potato head was removed with decay, cut good part; the disinfection, disinfection good seed block after disinfection of rotten tubers.