CN107371529B - Method for reducing and controlling non-point source pollution of cherry blossom nursery - Google Patents
Method for reducing and controlling non-point source pollution of cherry blossom nursery Download PDFInfo
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- CN107371529B CN107371529B CN201710733685.4A CN201710733685A CN107371529B CN 107371529 B CN107371529 B CN 107371529B CN 201710733685 A CN201710733685 A CN 201710733685A CN 107371529 B CN107371529 B CN 107371529B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Abstract
The invention discloses a method for reducing and controlling non-point source pollution of a cherry blossom nursery, which is characterized in that fresh broad beans and sweet potatoes are interplanted in the cherry blossom nursery in the week to realize the reduction and control of the non-point source pollution of the nursery; namely, the broad beans are sown in the cherry blossom nursery, the broad beans are cultivated, the broad beans are harvested, broad bean plants are rolled over, sweet potatoes are sown, the sweet potatoes are rolled over, the cherry blossom nursery is managed, and the like, so that the nitrogen content in soil can be increased and the nitrogen application amount of the nursery can be reduced by utilizing the nitrogen fixation property of the broad beans and the sweet potatoes; the broad bean and the sweet potato plants are returned to the field, so that the organic matter content of the soil can be increased, and the physical and chemical properties of the soil can be improved; the rainfall interception, infiltration, maintenance and utilization performances of broad bean and sweet potato plants are utilized, so that the water and soil loss of the nursery can be reduced; compared with conventional management, the method can reduce the chemical nitrogen consumption of the nursery by 40 percent, increase the benefit of the nursery, promote organic matters in soil, effectively control soil loss and nitrogen migratable nutrients, reduce non-point source pollution and realize sustainable and healthy development of the cherry nursery.
Description
Technical Field
The invention relates to a cultivation method for reducing and controlling non-point source pollution of a nursery by interplanting plants in the nursery all the year round, in particular to a cultivation method for reducing and controlling non-point source pollution by interplanting fresh broad beans and sweet potatoes in a cherry blossom nursery all the year round.
Background
At present, nursery planting is an important component in agricultural planting, and the rapid development of the nursery industry causes new changes in nursery non-point source pollution emission and non-point source pollution forms and characteristics, and the nursery non-point source pollution needs to be guided by appropriate production technology and pollution control technology to reduce and control non-point source pollution. The name of cherry blossom:Cerasusssp is a general name of several plants in the genus of Prunus in the family of Rosaceae, and is named as "Tokyo cherry blossom" in the newly revised name of "Chinese plant record"Also known as "Japanese cherry blossom". Each branch of cherry blossom has 3 to 5 flowers, which form an umbrella-shaped inflorescence, the tips of the petals are carved, and the flower color is mostly white and pink. Flowers are usually placed together with leaves in 3 months or bloomed after leaves, and cherry flowers are bright in color and are important garden ornamental plants according to seasonal changes, and cherry flower cultivation plays an important role in modern nursery plantation. Due to the wide market, the large-scale, basic and intensive cultivation of cherry blossom production is not slow enough. However, the cherry blossom crown is large, the flower amount is large, the required fertilizer amount is large, gaps among the cherry blossom trees are large, the exposed area of the ground surface is large, the water, fertilizer and soil loss is easily caused under the current extensive management mode, the soil organic matter content is reduced, the fertility is reduced, and the like, so that the non-point source pollution risk is increased. In order to fully utilize the gap land in the middle of the cherry forest and reduce the problem of non-point source pollution in the rough nursery management, the method for preventing and controlling the non-point source pollution of the cherry nursery is particularly provided. So far, no new cultivation method is reported.
Disclosure of Invention
The invention aims to provide a cultivation method for interplanting fresh broad beans and sweet potatoes in a cherry blossom nursery in the week to reduce and control the non-point source pollution of the nursery; the cultivation method can reduce the nitrogen fertilizer application of the cherry blossom nursery by 40 percent, improve the organic matters of the planting soil, improve the physical structure and reduce the water and fertilizer loss of the nursery.
The broad beans (Vicia) in the invention are also called as arhat beans, lima beans, south beans, erect beans and Buddha beans, and are annual herbs in the leguminosae and Vicia. Is a crop used for grains, vegetables, feed and green manure.
The vetch (Leguminosae) is perennial or annual herb, is a feed, and is also a good green manure, a cover crop and a honey source plant.
The method for reducing and controlling the non-point source pollution of the nursery by interplanting fresh broad beans and sweet potatoes in the cherry blossom nursery is realized by the following steps:
(1) sowing broad beans: in the first 10 months, when autumn pruning is carried out on cherry blossom nursery (the seedling age is more than 2 years) (the planting specification of cherry blossom seedlings is that the plant spacing is multiplied by the row spacing is 2m multiplied by 2 m), soil preparation is carried out, the soil moisture content is good while the cherry blossom nursery is still, broad beans are uniformly sown in the cherry blossom nursery, the planting specification of the broad beans is that the plant spacing is multiplied by the row spacing is 10cm multiplied by 10cm, broad bean seeds are sown in holes, the hole depth is 5-10 cm, one broad bean seed is sown in each hole, the sowing amount of the broad beans is 12-15 kg per mu, the number of basic seedlings is 8000-10000 per mu, when the broad beans are sown, the broad beans are not sown in the soil along the land within 25cm of the inner side of a tree crown line on the east and west sides or south and north sides of the cherry blossom plants, soil is backfilled after sowing, no fertilizer is needed, the natural growth is realized, the operation such as insufficient illumination under the tree crown is not suitable for; the soil moisture content is good, namely the water content of the soil is equal to or higher than 15%;
(2) broad bean growth management: in 11 months, the broad beans are sown and the emergence of seedlings is started, if weeds exist, artificial weeding can be properly carried out, and other management is not needed;
(3) fertilizing for the first time in the cherry nursery: beginning spring 2 months in the next year, fertilizing the nursery land for the first time, applying according to the conventional cherry blossom nursery fertilizing amount, and performing hole opening fertilization on the east-west sides or the south-north sides of cherry blossom plants along the positions 20cm inside the tree crown water dripping lines, wherein the hole opening quantity is 4-8 holes, the hole depth is 25-35 cm, the diameter is 15-25 cm, the fertilizer is applied into the holes, and soil is backfilled;
the application amount is fertilizer N, P2O5、K2The application amount of O is respectively 5kg, 5kg and 10 kg per mu;
(4) harvesting the broad beans: during 3 months in the next year, the broad beans interplanted in the nursery begin to mature successively, and fresh broad beans can be harvested timely;
(5) broad bean plant turning and pressing: cutting broad bean plants after the fresh broad beans are harvested 4 months in the next year, cutting the plants into 10-20 cm long, directly placing the plants in a cutting land for drying in the sun, and turning over and pressing the plants in the soil of the nursery in combination with the land preparation of the nursery after the plant sections are dried;
(6) sowing the sweet potatoes: in 4 months of the next year, broad bean plants are turned and pressed and land preparation is combined, and the purple potato seeds are sown in the cherry blossom nursery, wherein the sowing method is broadcast sowing, soil is slightly covered after the seeds are sown, and the sowing quantity of the purple potato is 1-1.5 kg per mu;
the sowing time of the sweet potatoes is determined to be 4 months, the sowing is carried out by turning over and pressing the broad bean plant residues, the sweet potatoes are sown in 4 months, the sweet potatoes germinate and grow in 5 months, and grow vigorously just temporarily in rainy seasons, the sweet potatoes can reduce the impact of rainwater on nursery lands, and the rainfall interception, infiltration, maintenance and utilization performances are achieved.
(7) The growth of the sweet potatoes: the vetch sprouts and grows in the next 5 months without other special management;
(8) fertilizing for the second time in the cherry nursery: in the vigorous growth period of 6 months of cherry blossom in the next year, fertilizing the nursery land for the second time, reducing the application of nitrogen fertilizer of 6 kilograms per mu on the basis of the application of the conventional cherry blossom nursery fertilizer, opening holes at the positions of 20cm inside the water dripping line of the crown on the east and west sides or the south and north sides of the cherry blossom plants, wherein the number of the opened holes is 5-8, the depth of the holes is 25-35 cm, and the diameter is 15-25 cm, applying the fertilizer into the holes, and backfilling soil;
the application amount is fertilizer N, K2The application amount of O is 4 kg and 10 kg respectively per mu;
(9) cutting and turning over the sweet potatoes: and cutting the sweet potato plants in the next 10 months, drying in the sun, and turning over and pressing the sweet potatoes when pruning and soil preparation are carried out on the cherry blossom nursery in autumn.
(10) Annual operation: when the sweet potatoes are turned over and pressed in the cherry blossom nursery garden, the second round of broad bean sowing is combined, the annual operation is carried out from the step (1) to the step (9) repeatedly, and meanwhile, the reduction and control of non-point source pollution are realized.
(11) In addition to the above requirements, the cherry nursery is managed according to the conventional habit of cherry nursery.
The invention has the advantages and technical effects that:
according to the method, fresh broad beans and sweet potatoes are interplanted in the cherry blossom nursery in the week to reduce and control the non-point source pollution of the cherry blossom nursery, and the broad beans and the sweet potatoes have the nitrogen fixation property, so that the nitrogen content in soil can be increased, and the nitrogen application amount of the cherry blossom nursery is reduced; broad bean and sweet potato plants are returned to the field, so that the organic matter content of the soil of the nursery can be increased, and the physical and chemical properties of the soil can be improved; the rainfall interception, infiltration, maintenance and utilization performances of broad bean and sweet potato plants are utilized, so that the water and soil loss of the nursery can be reduced; the method can reduce the nitrogen consumption of the nursery by 40 percent, reduce the nitrogen loss of the nursery, increase the benefit of the nursery, promote the organic matters in the soil of the nursery, effectively control the soil loss and the migratable nutrients of nitrogen, reduce the non-point source pollution and ensure the sustainable and healthy development of the nursery, and is easy to operate and has wide popularization and application prospects.
The experimental results show that: under the condition of ensuring the normal growth of cherry blossom seedlings, the method can obtain the average yield of 495 kg/mu of fresh broad beans, deduct the cost of seeds and the cost of fertilizer, and increase 955 yuan per mu compared with the conventional planting mode of farmers. Through 3 years of experimental implementation, the method can improve the organic matter content of the nursery soil, relieve soil acidification and reduce nitrogen loss of the nursery, and the runoff water of farmers in the conventional planting mode has more loss of ammonia nitrogen, nitrate nitrogen, total nitrogen and suspended matters than the runoff water of the method by 47.37%, 21.63%, 15.98% and 51.85%.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the invention is not limited to the above-described examples.
Example 1: the fertilizers used in this example were:
nitrogenous fertilizer: selecting common urea with 43 percent of total nitrogen content;
phosphate fertilizer: by selecting P2O5Is 12% of calcium superphosphate;
and (3) potassium fertilizer: choose K2O is potassium sulfate with the concentration of 50%.
Test site and time: the experiment of 3 years is continuously carried out from 2012 to 2015 9 months in Osaka bridge town of Kunming city of Yunnan province; 4 treatments were performed, each treatment being 1.5 acres.
The method for reducing and controlling the non-point source pollution of the cherry nursery by interplanting fresh broad beans and sweet potatoes in the middle and week of the cherry nursery (treatment 1) is as follows:
(1) sowing broad beans: 10 months in the first year, when autumn pruning is carried out on cherry blossom nursery (the seedling age is more than 2 years) (the planting specification of cherry blossom seedlings is that the plant spacing is multiplied by the row spacing is 2m multiplied by 2 m), soil preparation is carried out, the soil moisture content is good (the soil moisture content is more than or equal to 15%), broad beans are uniformly sown in the cherry blossom nursery, the planting specification of the broad beans is that the plant spacing is multiplied by the row spacing is 10cm multiplied by 10cm, broad bean seeds are sown in holes with the hole depth of 5-10 cm, one broad bean seed is sown in each hole, the sowing amount of the broad beans is 12-13 kg per mu, the number of basic seedlings is 8000-10000 per mu, when the broad beans are sown, the broad beans are not sown in the land with the water dripping line inner side of 25cm along the crown, soil is backfilled after sowing, and no fertilizer is used, and the soil is naturally grown;
(2) broad bean growth management: in 11 months, the broad beans are sown and the emergence of seedlings is started, if weeds exist, artificial weeding can be properly carried out, and other management is not needed;
(3) fertilizing for the first time in the cherry nursery: beginning spring 2 months in the next year, fertilizing the nursery land for the first time, wherein the fertilizer application amount is N, P2O5、K2The application amount of O is 5kg, 5kg and 10 kg per mu, the fertilization method comprises the steps of opening holes for fertilization along the positions 20cm inside the tree crown water dripping lines on the east side, the west side, the south side and the north side of the cherry blossom plants, wherein the number of the opened holes is 5-8, the hole depth is 30cm, the diameter is 20cm, the fertilizers are applied into the holes, and soil is backfilled;
(4) harvesting the broad beans: during 3 months in the next year, the broad beans interplanted in the nursery begin to mature successively, and fresh broad beans can be harvested timely;
(5) broad bean plant turning and pressing: cutting broad bean plants after the fresh broad beans are harvested 4 months in the next year, cutting the plants into the length of 10-15 cm, directly placing the plants in a cutting land for drying in the sun, and turning the plants into nursery soil by combining with the nursery land preparation after the plant sections are dried;
(6) sowing the sweet potatoes: in 4 months of the next year, broad bean plants are turned and pressed and land preparation is combined, and the purple potato seeds are sown in the cherry blossom nursery, wherein the sowing method is broadcast sowing, soil is slightly covered after the seeds are sown, and the sowing quantity of the purple potato is 1-1.2 kg per mu;
(7) the growth of the sweet potatoes: the vetch sprouts and grows in the next 5 months without other special management;
(8) fertilizing for the second time in the cherry nursery: in the vigorous growth period of the cherry blossoms in the next 6 months, the nursery land is fertilized for the second time, and the application amount of nitrogen fertilizer which is 6 kilograms per mu is reduced on the basis of the application amount of the conventional cherry blossoms in the nursery land, wherein the application amount is N, K2The application amount of O is 4 kg and 10 kg per mu, and the application method is that the O is applied to the east and west sides or the south and north sides of the oriental cherry plants along the crownOpening holes at the position 20cm inside the dripping line for fertilizing, wherein the number of the opened holes is 5-8, the depth of each hole is 30cm, the diameter of each hole is 20cm, applying fertilizers into the holes, and backfilling soil;
(9) cutting and turning over the sweet potatoes: and cutting the sweet potato plants in the next 10 months, drying in the sun, and turning over and pressing the sweet potatoes when pruning and soil preparation are carried out on the cherry blossom nursery in autumn.
(10) In addition to the above requirements, the cherry nursery is managed according to the conventional habit of cherry nursery. The steps are operated circularly during the experiment, and the operation is carried out in a year from step (1) to step (9) for 3 years.
Treatment 2 (comparison), treatment 3 and treatment 4 are the same as treatment 1 except that the measures in table 1 are different, and are not described again; the effect of the 3 year test of each treatment group is detailed in tables 2, 3 and 4.
In the embodiment, the field production of the fresh broad beans is tested every year; measuring the inner diameter flowing water of each treatment runoff ditch of the cherry nursery after three rainstorms every year, wherein the measurement items are ammonia nitrogen, nitrate nitrogen, total nitrogen and suspended matters; after the three-year experiment is finished, the cherry nursery garden is taken to be respectively treated with 0-20 cm and 20-50 cm of soil for determination, and the determination items are organic matter, total nitrogen, alkaline hydrolysis nitrogen and soil pH.
The measuring method of the ammonia nitrogen of the runoff water is a nano reagent spectrophotometry; the method for measuring the nitrate nitrogen is phenol disulfonic acid spectrophotometry; the method for measuring the total nitrogen is an alkaline potassium persulfate digestion ultraviolet spectrophotometry; the method of determination of the suspension is gravimetric. The method for measuring the organic matters in the soil is an oil bath heating potassium dichromate oxidation capacity method; the method for measuring the soil alkaline hydrolysis nitrogen is an alkaline hydrolysis diffusion method; the determination of the soil pH was determined by a soil pH meter.
TABLE 1 examples of the treatment groups
TABLE 2 treatment set cost and economic benefit (Yuan/mu)
TABLE 3 soil Condition of each treatment group
TABLE 4 mean runoff water contaminant content for each treatment
The results of the yield measurement and seed fertilizer cost calculation of the interplanted fresh broad beans show that: in 2013-2015, the average yield of fresh broad beans in 3 years after treatment 1 is 495 kg/mu, the average yield of fresh broad beans in 3 years after treatment 3 is 472 kg/mu, the income of fresh broad beans in 1 treatment per mu, 2 treatment 3 treatment and 4 treatment per mu is 990 yuan, 46 yuan and 990 yuan respectively, the seed cost and the fertilizer cost are deducted, and 955 yuan, 36 yuan and 930 yuan are added to 1 treatment per mu respectively compared with 2 treatment, 3 treatment and 4 treatment.
The analysis and measurement results of the soil show that: after 3 years of experimental implementation, the content of the organic matters in the soil layer of 0-20 cm or 20-50 cm is the highest in the treatment 1, the content of the organic matters in the treatment 2 is the lowest, and the organic matters in the soil layers of 0-20 cm and 20-50 cm are respectively improved by 12.33% and 2.24% compared with the organic matters in the soil layer of the control treatment 2; the total nitrogen content is also slightly higher than that of treatment 1; the alkaline hydrolysis nitrogen content of the two soil layers of the treatment 2 is highest, and the treatment 3 is lowest; treatment 2 was more strongly acidified than each of the other treatments.
The analysis and measurement results of the runoff water show that: in 3 years of experimental implementation, after rainstorm, the ammonia nitrogen content in the runoff water of the treatment 2 is the largest, the ammonia nitrogen loss is 47.37% compared with that in the runoff water of the treatment 1, and the ammonia nitrogen content in the runoff water of the treatment 1 and the ammonia nitrogen content in the runoff water of the treatment 4 are the smallest; nitrate nitrogen is also the most contained in the runoff water of the treatment 2, the content in the treatment 4 is the least, the treatment 1 time is less, and the nitrate nitrogen of the treatment 2 has 21.63 percent of loss compared with the nitrate nitrogen of the treatment 1; the total nitrogen content trend of each treatment is the same as the nitrogen content trend of nitrate, and the total nitrogen of the treatment 2 is 15.98 percent of loss compared with that of the treatment 1; treatment 1 had the least suspended matter content followed by treatment 4, while treatment 2 had the most suspended matter content, 51.85% more than treatment 1.
And (4) conclusion: the economic benefit of the treatment 1 of interplanting the fresh broad beans and the sweet potatoes is the highest treatment in all the treatments, the economic benefit of the treatment 3 of planting the fresh broad beans in a single set is also better, the seed cost and the fertilizer cost are deducted, and the yield of the treatment 1 per mu is increased by 955 yuan, 36 yuan and 930 yuan compared with the treatment 2, the treatment 3 and the treatment 4 respectively. After the experiment is carried out for 3 years, the organic matters of 0-20 cm and 20-50 cm in the soil layer 1 are respectively increased by 12.33% and 2.24% compared with the organic matters of the control treatment 2; the alkaline hydrolysis nitrogen content of the two soil layers of the treatment 2 is highest; treatment 2 soil acidification was greater than each of the other treatments. After rainstorm, the ammonia nitrogen, nitrate nitrogen, total nitrogen and suspended matters in the runoff water of the treatment 2 respectively lose 47.37%, 21.63%, 15.98% and 51.85% more than those in the runoff water of the treatment 1. Therefore, the method can reduce the non-point source pollution of the nursery and increase the net benefit of the nursery.
Claims (7)
1. A method for reducing and controlling non-point source pollution of a cherry blossom nursery is characterized in that the non-point source pollution of the nursery is reduced and controlled by interplanting fresh broad beans and sweet potatoes in the cherry blossom nursery in the week;
the method comprises the following specific steps:
(1) sowing broad beans: in the first 10 months, when pruning is carried out on the cherry blossom nursery in autumn, soil preparation is carried out, the soil moisture content is good, broad beans are uniformly sown in the cherry blossom nursery, fertilization is not needed, and the broad beans naturally grow;
(2) broad bean growth management: in 11 months, sowing broad beans and starting to emerge, if weeds exist, carrying out artificial weeding, and then, needing no other special management;
(3) fertilizing for the first time in the cherry nursery: beginning spring 2 months in the next year, fertilizing the nursery land for the first time, applying according to the conventional cherry blossom nursery fertilizing amount, and performing hole opening fertilization on the east-west sides or the south-north sides of cherry blossom plants along the positions 20cm inside the tree crown water dripping lines, wherein the hole opening quantity is 4-8 holes, the hole depth is 25-35 cm, the diameter is 15-25 cm, the fertilizer is applied into the holes, and soil is backfilled;
(4) harvesting the broad beans: during 3 months in the next year, the broad beans interplanted in the nursery begin to mature successively, and fresh broad beans are harvested in due time;
(5) broad bean plant turning and pressing: cutting broad bean plants after the fresh broad beans are harvested 4 months in the next year, cutting the plants into 10-20 cm long, directly placing the plants in a cutting land for drying in the sun, and turning over and pressing the plants in the soil of the nursery in combination with the land preparation of the nursery after the plant sections are dried;
(6) sowing the sweet potatoes: in 4 months next year, the broad bean plants are turned and pressed and land preparation is combined, the sweet potato seeds are sown in the cherry blossom nursery, the sowing method is broadcast sowing, and soil is slightly covered after the seeds are sown;
(7) the growth of the sweet potatoes: the vetch sprouts and grows in the next 5 months without other special management;
(8) fertilizing for the second time in the cherry nursery: in the vigorous growth period of 6 months of cherry blossom in the next year, fertilizing the nursery land for the second time, reducing the application of nitrogen fertilizer of 6 kilograms per mu on the basis of the application of the conventional cherry blossom nursery fertilizer, opening holes at the positions of 20cm inside the water dripping line of the crown on the east and west sides or the south and north sides of the cherry blossom plants, wherein the number of the opened holes is 5-8, the depth of the holes is 25-35 cm, and the diameter is 15-25 cm, applying the fertilizer into the holes, and backfilling soil;
(9) cutting and turning over the sweet potatoes: and cutting the sweet potato plants in the next 10 months, drying the cut sweet potato plants, turning and pressing the sweet potatoes when pruning and preparing the soil in autumn are carried out on the cherry blossom nursery, sowing the broad beans in the second round, repeating the steps repeatedly, and realizing reduction and control of the non-point source pollution.
2. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: the seedling age of the cherry blossom in the cherry blossom nursery in the step (1) is more than 2 years.
3. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: in the step (1), the planting distance multiplied by the row spacing of the broad beans is 10cm multiplied by 10cm, the broad bean seeds are planted in the holes with the hole depth of 5-10 cm, one broad bean seed is planted in each hole, and soil is backfilled after the broad bean seeds are sowed.
4. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: the sowing amount of the broad beans in the step (1) is 12-15 kg per mu, and the number of basic seedlings is 8000-10000 seedlings per mu.
5. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: when broad beans are sowed in the step (1), broad beans are not sown in the soil on the east-west side or the south-north side of the oriental cherry plants within 25cm of the inner side of the water dripping line of the tree crown.
6. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: good soil moisture content means that the soil moisture content is equal to or higher than 15%.
7. The method of reducing or controlling non-point source pollution of cherry blossoms nursery as claimed in claim 1, wherein: the sowing amount of the sweet potatoes in the step (6) is 1-1.5 kg per mu.
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| CN110178629A (en) * | 2019-06-20 | 2019-08-30 | 中国林业科学研究院亚热带林业研究所 | A kind of watershed chestnut wood composite construction method for building up for Ides On Prevention And Control of Regional Pollution |
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| CN102498890A (en) * | 2011-11-08 | 2012-06-20 | 云南省农业科学院热带亚热带经济作物研究所 | Minimum-tillage and no-tillage mulching cultivation method of lemon orchard |
| CN104054496A (en) * | 2014-07-10 | 2014-09-24 | 云南省农业科学院农业环境资源研究所 | Non-point source pollution prevention and control cultivation method for osmanthus fragrans nursery garden |
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