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针对甘肃中部干旱山区光照、积温不足,降雨量偏少,党参露地栽培生长周期长,产值效益低等问题,以渭党1号党参为参试品种,以传统露地栽培为对照,研究4种栽培A1(白地膜沉降栽培)、A2(白地膜平覆栽培)、A3(黑地膜沉降栽培)、A4(黑地膜平覆栽培)方式中的土壤水分、土壤温度、苗期、出苗率以及根长、径粗、单根重等经济性状的差异性。结果表明,与传统露地栽培相比,采用地膜覆盖具有更强的保水性能,地膜覆盖对于土壤的昼夜温度变化具有一定影响作用,采用地膜覆盖可以提高党参生产的经济效益,A1(白地膜沉降栽培)、A2(白地膜平覆栽培)、A3(黑地膜沉降栽培)、A4(黑地膜平覆栽培)4种栽培方式平均增产14.74%~93.52%。A1与A2、A3、A4、A5(CK)之间的根长、单根鲜重以及折算产量差异显著(P<=0.05),旱地党参最适宜的栽培方式为白膜沉降式栽培。
In order to solve the problems of light, accumulated temperature in the mountainous area of Gansu Province, lack of rainfall, less growing rainfall, long growing period of Codonopsis cultivation and low benefit in output value, we used Codonopsis pilosula 1 as the tested varieties and compared with the traditional open field cultivation. The soil moisture, soil temperature, seedling stage, germination rate and root length in the treatments of A1 (white ground film cultivation), A2 (white ground film cultivation), A3 (black soil film settlement cultivation) and A4 , Coarse diameter, single weight and other economic differences. The results showed that compared with the traditional open-field cultivation, the mulching with mulching had stronger water-holding capacity, the mulching with plastic film had a certain influence on the diurnal temperature change of the soil, and the mulching with mulching could improve the economic benefit of the production of corydalis. A1 ), A2 (white film flat cultivation), A3 (black film settlement cultivation), A4 (black film flat cultivation) four kinds of cultivation methods an average increase of 14.74% to 93.52%. The root length, single fresh weight and conversion yield between A1 and A2, A3, A4 and A5 (CK) were significantly different (P <0.05). The most suitable cultivation method for Codonopsis pilosula in dry land was alburnome cultivation.