11 results about "Monoculture" patented technology

This invention relates to the field of agricultural technology, specifically to a water-saving and salt-reducing synergistic regulation method for intercropping salt-tolerant maize with halophytes, comprising the following steps: Step 1: Saline-alkali land classification and pretreatment; Step 2: Construction of a gradient intercropping system; Step 3: Dynamic irrigation and drainage and water and fertilizer regulation; Step 4: Rhizosphere improvement; The saline-alkali land classification of this invention is based on the total salt content and pH value of the topsoil layer (0-20cm) (moderate 0.3wt%-0.6wt%, severe >0.6wt%), rather than the original 0-60cm depth, which is closer to the actual salt damage range of the topsoil layer and provides a precise basis for the implementation of subsequent measures; The intercropping system enhances the ecological diversity of farmland and avoids the ecological monoculture caused by monoculture; The technical solution expands the arable land resources of moderate and severe saline-alkali land, while conforming to the direction of green governance, and providing a replicable guarantee solution for saline-alkali areas.

The invention relates to the technical field of green prevention and control of plant diseases, in particular to application of a cucumber-marigold intercropping mode to prevention and control of cucumber root knot nematode diseases. Cucumbers and marigold are intercropped and cultivated, and cucumber root-knot nematode infection and / or reproduction are / is inhibited by the allelopathy of the marigold; wherein marigold plants are planted in soil and / or a culture medium, so that stable root systems are formed before cucumber planting; 7-21 days after field planting of the marigold, cucumber seedlings are planted in the same cultivation container or the adjacent rhizosphere space, the root system of the cucumber and the root system of the marigold are located in the same cultivation environment but not directly twined, and the marigold keeps surviving and growing in the early stage and the middle stage of cucumber growth. The method solves the problem that an existing intercropping mode lacks a system method with a cultivation structure and a planting time sequence as the core, and has the advantages that operation is easy and convenient, applicability is high, popularization is easy, compared with cucumber single cropping, the root knot index of cucumbers under an intercropping system is remarkably reduced, and the requirement for green agriculture development is met.

The invention discloses an ecological restoration method for regulating and fixing heavy metals by utilizing a rhizosphere effect, and belongs to the technical field of water environment ecological restoration. According to the method, the pollution degree, form and release risk of target heavy metal in the sediment are determined through pollution diagnosis, then submerged plants with specific rhizosphere oxygen secreting and acidification capacity are screened in a targeted mode for single planting or mixed planting, a stable submerged plant community is constructed, iron and manganese oxides are formed through induction of the plant rhizosphere effect, and the target heavy metal in the sediment is obtained. According to the method, the in-situ remediation of heavy metal pollution is realized, the function of rhizosphere microflora is regulated and controlled, the form of the heavy metal with higher activity is converted into a stable form or is adsorbed and fixed on a rhizosphere iron membrane, meanwhile, the remediation process can be monitored through an in-situ high-resolution monitoring technology, and finally, the in-situ remediation of the heavy metal pollution and the collaborative restoration of a water ecosystem are realized. The method is clear in mechanism, high in pertinence, environment-friendly, low in cost and monitorable in effect, and can be widely applied to remediation of sediment heavy metal pollution of shallow water bodies such as lakes, river channels and ponds.

The present application relates to the technical field of microorganism, in particular to a sugarcane special fertilizer suitable for sugarcane- peanut intercropping mode and application thereof, the sugarcane special fertilizer is prepared by mixing fertilizer, GX-2-peanut shell microbial fertilizer and GX-7-peanut seedling microbial fertilizer according to mass ratio (5-7):(1-3):(2-3), the GX-2-peanut shell microbial fertilizer and GX-7-peanut seedling microbial fertilizer in the biological fertilizer are prepared by combined fermentation of non-lactose streptococcus GX-2 and GX-7 screened by the research group and plants, the fertilizer is directly applied to soil, and the growth of sugarcane has no obvious promoting effect, and when the microbial fertilizer is combined with fertilizer and applied, the height of sugarcane plant and yield stability in sugarcane monoculture and sugarcane-peanut intercropping system can be significantly improved under the condition of maintaining or slightly reducing the amount of fertilizer, so that the goal of "reducing fertilizer and increasing efficiency" is achieved.

The application discloses a kind of interplanting reduced nitrogen application methods for promoting rape straw decomposition, belong to agricultural technology field.The high degree of lignification of summer soybean-summer corn strip intercropping under the previous rape straw in the multi-cropping system dry farmland of Yangtze River Basin, slow decomposition, high nitrogen input, low utilization rate problem, the present application utilizes the characteristics that soybean corn intercropping can accelerate straw decomposition, rape straw full amount rotary tillage is returned to field, corn and soybean are strip intercropped according to 4:2 row number ratio, corn band, soybean band nitrogen distribution ratio 3:1, total nitrogen input 150~210 kg / ha.The present application significantly speeds up the decomposition of rape straw by reducing precise zoned nitrogen application, the cumulative decomposition amount is increased by more than 11% compared with conventional nitrogen application and soybean monoculture;Promote cellulose, hemicellulose degradation and soil organic carbon accumulation, enrichment of microorganisms that promote decomposition.The present application can reduce nitrogen input, realize soybean and corn synergistic yield, achieve the synergistic effect of promoting decomposition, saving fertilizer and increasing efficiency.

The invention provides a Bletilla striata planting method under a Pinus elliottii forest, relates to the technical field of under-forest economy, and solves the problems of long growth cycle and slow economic benefit of a traditional Pinus elliottii planting forest, and the method comprises the following steps: (1) planting Pinus elliottii seedlings according to specific specifications; (2) after the wetted pines grow for 3 years, ridging between the line spacing of the wetted pines to plant rhizoma bletillae seedlings; (3) covering ridge surfaces with pinus armandii shells; (4) performing high fertilizer and water management; according to the method, by means of the semi-shade environment formed by the canopy of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines of the pines.

This invention relates to a cultivation method for intercropping night-blooming jasmine with snow peas. The method includes steps such as land preparation and basal fertilizer application, transplanting of night-blooming jasmine, sowing of snow peas, harvesting of night-blooming jasmine, and harvesting of snow peas. This intercropping technique fully utilizes the complementary characteristics of perennial vines and leguminous climbing vegetables. Through integrated technology across the entire process, it achieves synergistic utilization of trellis resources and improved land utilization, while also offering advantages such as cost reduction, efficiency improvement, green ecology, and strong practicality. Compared to monoculture of night-blooming jasmine, this technique increases yield by 35.2%, reduces fertilizer and pesticide use by more than 20%, and also enriches the soil, providing a practical technical solution for intercropping specialty vegetables.

The application provides a kind of single cropping and intercropping corn sample generation and remote sensing automatic mapping method and device, comprising: obtaining Sentinel-2 ground reflectivity image, generating composite time series image using the median of reflectivity and index data, obtaining spectral characteristics;Using the applicable spectral characteristics, a two-step hierarchical sample generation strategy is used to generate single cropping and intercropping corn samples, including identifying potential corn areas based on vegetation pigment time variation VVP index within the optimal phenology window and generating single cropping and intercropping corn samples based on water greenness ratio WGR index;Single cropping corn samples, intercropping corn samples and non-corn field reference samples are used as training data set, random forest classifier is trained, and the mapping of single cropping and intercropping corn is completed.The application originally proposes a classification framework suitable for single cropping and intercropping corn mapping, which combines automatic sample generation with random forest classification, reduces the dependence on manual marking while maintaining the classification effect.

This invention relates to the field of microbial technology, and in particular to a sugarcane-specific fertilizer suitable for sugarcane-peanut intercropping and its application. The sugarcane-specific fertilizer of this application is prepared by mixing chemical fertilizer, GX-2-peanut shell microbial fertilizer and GX-7-peanut vine microbial fertilizer in a mass ratio of (5-7):(1-3):(2-3). The GX-2-peanut shell microbial fertilizer and GX-7-peanut vine microbial fertilizer in this bio-fertilizer are prepared by co-fermentation of non-lactose-degrading streptococci GX-2 and GX-7 selected by the research group with plants. Direct application of this microbial fertilizer to the soil does not have a significant promoting effect on the growth of sugarcane. However, when this microbial fertilizer is applied in combination with chemical fertilizer, under a specific ratio, it can significantly improve the plant height and yield stability of sugarcane plants in sugarcane monoculture and sugarcane-peanut intercropping systems while maintaining or slightly reducing the amount of chemical fertilizer used, thus achieving the goal of "reducing fertilizer use and increasing efficiency".

The invention relates to the technical field of identification of miRNA, in particular to an identification method of plant miRNA and application of the identification method in identification of miRNA for continuous cropping reduction resistant molecular breeding. The identification method provided by the invention can be used for systematically identifying differentially expressed miRNA, including conservative miRNA and novel miRNA, of wheat leaves and roots under a continuous monoculture condition. Furthermore, the regulation and control effects of the key miRNA on transcription factors and downstream growth and defense related genes can be clarified. Candidate miRNA and target genes can be used for molecular marker assisted breeding, gene editing or cultivation regulation, so that the adaptability of wheat to continuous monoculture is improved, and the yield loss is reduced.

The application discloses a ginger-wilt disease comprehensive prevention and control method and a matching planting system of ginger-Asteraceae crop interplanting and biocontrol bacteria cooperation. The ginger-wilt disease comprehensive prevention and control method adopts a four-time-point process of "pre-sowing Asteraceae plants, ginger transplanting at the same period, root dipping (ginger seed soaking) / hole applying biocontrol bacteria, timing cutting for in-situ biological fumigation before flood season, and drip irrigation for bacteria supplementing", constructs a rhizosphere symbiosis-disease inhibition zone, utilizes the root secretion and volatile substances (such as thiothiophene, sesquiterpene lactone, etc.) of Asteraceae plants and the straw cutting and returning biological fumigation effect, cooperates with Bacillus-Trichoderma-Pseudomonas / Streptomyces compound bacterial agent, and significantly inhibits the colonization and migration of Ralstonia solanacearum. Compared with conventional monoculture, the application can reduce the disease index by 40-70%, increase the yield of commercial ginger by 10-22%, and reduce the use intensity of chemical pesticides. The application is compatible with existing drip irrigation, mulching and high-ridge cultivation, and is suitable for large-area application in the Sichuan-Chongqing high-humidity continuous cropping ecological niche.