加工番茄“宽垄不翻秧”栽培模式下的深耕影响分析  

Analysis of Subsoiling Based on Processing Tomato "Broad Row and Unmoving Vine"Planting Model

作　　者：杨生保[1] 余庆辉[1] 张勇 迟庆勇 高卫东 

机构地区：[1]新疆农科院园艺所,乌鲁木齐830091 [2]新疆屯河种业有限公司,新疆昌吉831100

出　　处：《新疆农业科学》2007年第1期63-67,共5页Xinjiang Agricultural Sciences

基　　金：国家科技部成果转化项目"新疆加工番茄新品种良繁及产品质量监测体系建设与示范"

摘　　要：试验在“宽垄不翻秧”栽培模式下对土壤进行深松处理，以未深松处理的“宽垄不翻秧”栽培模式为对照进行比较，结果表明：未深松土壤31～40cm及41～50cm剖面中土壤容重基本一致都为1．32g／甜与深松土壤中这两个剖面内土壤容重（31～40cm内为：1．31g／cm^3，41～50cm内为：1．26g／cm^3）存在差异；未深松的土壤中犁底层阻碍了根系的下扎，虽然根系能穿透犁底层。但对后期根系的进一步生长分布造成了影响，而经过深松处理的土壤打破了犁底层引导根系向深度层次分布，让根系在深度范围内可以获得更多的养分空间：在滴入同等量的水分时，由于打破了犁底层减少了对水分的阻碍，深松土壤中水分是往下迁移．从而增加了水分的有效利用性．利于根系的深度层次的分布．而未深松中滴水后土壤中由于犁底层的阻碍水分是横向迁移，引导了根系在浅层分布；深松处理下各品种各性状比未深松处理的各性状指标都有明显的提高．尤其植株茎基部粗呈显著性差异．深松处理下植株的茎基部粗比未深松处理的要粗，叶片数比未深松处理的要多，并且株高也没有相应过高的增加，这说明深松有利于植株的健康生长，及增加产量，提高品质．避免因滴灌频繁滴水而造成的徒长。This trial was conducted based on subsoiling of Processing Tomato ＂Broad Row and Unmoving Vine＂ Planting Model , compared with unsubsoiling. The result showed that the bulk density in soil layer of 31 -40 cm and 41-50 cm showing no differences , is 1.32 g/cm^3, and there exists difference compared with subsoiling treatment（in 31-40 cm lawyer bulk density is 1.31 g/cm^3, in 41-50 cm lawyer bulk density is 1.26 g/cm^3） in unsubsoiling layer plough layer stops roots further development, although roots can go through this layer, it is hard to develop during late period . Roots can get more space and nutrients under subsoiling layer, because subsoiling destroyed plough pan. If the .same amont of water is irrigated to this two treatments, the water in subsoiling layer moves vertically , this is helpful to roots grow , hut in unsuhsoiling layer the water moves transversely , this is because plough pan stops water further move; under subsoiling treatment each variety expresses better than under unsubsoiling treatment. Especially the steam of plant presents significant difference, and the stem of plant under subsoiling is stronger than that under unsubsoiling, also under subsoiling treatment the plant is no higher than that under unsubsoiling treatment, this showes that subsoiling is helpful to plat growth, also can increase yield , improve quality, and avoid growing faster under drop irrigation system.

关 键 词：加工番茄 深松 根长密度 

分 类 号：S641.2[农业科学—蔬菜学]