Abstract
Based on agricultural biomass resources and utilization in Shaanxi province, this experiment used decomposing mushroom residues, pine needles, and peanut shells compounded with river sand as organic cultivation substrates, compared with garden soil, and carried out pot experiments to study the effect of different soilless cultivation substrates on tomato yield, size and number. The results show that compared with CK1 (garden soil) and CK2 (decomposed fungus residue: river sand = 1:1, volume ratio), the yield of greenhouse tomato of T5 (decomposed fungus residue: pine needles: peanut shells: river sand = 1:1:1:1, volume ratio) can be significantly improved; under the same amount of decomposed fungus residue and river sand, adding peanut shells has a better effect on tomato yield than adding pine needles; different treatments have little effect on the average height of tomato fruit, but have a greater effect on the cross diameter of the fruit.
Highlights
Tomato is one of the main vegetables ultivated in facilities in China
Organic ecological soilless culture technology has the characteristics of general soilless culture, such as improving crop yield and quality, reducing pesticide usage, product cleanliness, water saving, fertilizer saving and labor saving, etc.[7,8]
Based on the agricultural biomass resources and utilization foundation in Shaanxi, this experiment used decomposed mushroom residue, pine needles and peanut shells compounded with river sand as the organic cultivation substrate, and compared it with the garden soil to study the growth effect of tomato fruit, providing scientific basis and technical reference for the development of facility tomato cultivation in arable land and soil degradation areas and the full utilization of local agricultural waste resources
Summary
Tomato is one of the main vegetables ultivated in facilities in China. It has the characteristics of high yield and efficiency, and is rich in nutrients such as vitamin C and lycopene [1,2,3]. In order to pursue high efficiency in agricultural production, farmers blindly invest excessive amounts of water and fertilizers, resulting in soil compaction, salinization, aggravation of soil-borne diseases, decline in yield and quality, and environmental pollution [4,5,6]. Organic ecological soilless culture technology has the characteristics of general soilless culture, such as improving crop yield and quality, reducing pesticide usage, product cleanliness, water saving, fertilizer saving and labor saving, etc.[7,8] Cultivated land to grow vegetables can effectively reduce production costs and reduce environmental pollution [912]. Based on the agricultural biomass resources and utilization foundation in Shaanxi, this experiment used decomposed mushroom residue, pine needles and peanut shells compounded with river sand as the organic cultivation substrate, and compared it with the garden soil to study the growth effect of tomato fruit, providing scientific basis and technical reference for the development of facility tomato cultivation in arable land and soil degradation areas and the full utilization of local agricultural waste resources
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