Effect Of Different Compound Substrates And Nutrient Solution On The Growth & Development Of Tomatoes And Hot Pepper Seedling

The experiment of screening test of Nutrient Solution and substrates in tomatoes and hot pepper from practical situation the region in northeast The measured that Physicochemical properties of Compound substrates the bulk density, total porosity, large and small porosity, gas-water ratio ,water content, pH value, EC value and the index of conformation and physiology of tomato and hot pepper height plant, Stem diameter, Aerial fresh weight and dry height ,subterranean of fresh height and dry height, chlorophyll content. The main results obtained were summary as followed: 1) In the experiment of screening test of compound substrates intomatoes that the compound substrate (leaves : blackland = 1:1;)was the best, whose bulk density was 0.57, total porosity 72.32%, gas-water 0.26ratio, pH 6.25 and EC 0. 41mS/cm, sound seedling index A 3.45 ,G 10.46. in spraying CO(NH₂)₂ 500mg/kg, KH₂PO₄ 300mg/kg but the compound substrate (leaves: slag =1:1;leaves :peat :slag : blackland =1:1:1 :;leaves:loess=3:1) was suitable for this area too.2 ) In the compound substrates and screening test of Nutrient Solution in tomatoes spray yannong formula(leaves : blackland =1:1) that Physicochemical properties of Compound substrates was accord with former investigations yannong formula of seedling was the best whose sound seedling index A was 11.88 , G 22.22,the content of chlorophyll 1.78. the effect of the 4 kinds of nutrient formula in tomato seedling .the high and low sequence is yannong formula>shandong formula>garden currency formula > shanqi formula 3) In the compound substrates and screening test of Nutrient Solution in hot pepper spray yannong formula(leaves: loess=3:1) that Physicochemical properties of Compound substrates was accord with former investigations yannong formula of seedling was the best whose sound seedling index A was 4.94, G 8.38,the content of chlorophyll 1.78. the effect of the 4 kinds of nutrient formula in hot pepper seedling the high and low sequence is yannong formula> garden currency formula > shandong formula > huanan formula...