Spray operation quality inspection method
The J 1 range is suitable for the quality inspection of plant protection and spraying micro fertilizer operations.
J 2 testing tool calculator, 2 m tape measure, 500 mL measuring cup.
j 3 detection method
J3.1 Spray accuracy When the first tank is sprayed, the error is calculated based on the area sprayed and the amount of spray.
J3.2 grass killing rate
a) Working frontal block diagonally takes 3 to 5 points, each point measures l~2m2, inserts the mark at the measuring point, and records the number of weeds and pests to make a good record.
b) Based on the number of days of drug efficacy, the number of weed deaths and the number of deaths of pests in the survey sites were investigated, and the rate of weed killing and insecticidal rates were calculated.
1. Insecticide rate check calculation method.
a. Take 3 to 5 points randomly along the diagonal of the plot, measuring 1 to 2 m2 at each point.
b. Mark the test points before the work and record the number of weeds (insects).
c. Based on the efficacy of the drug, the number of weed deaths in the survey sites was investigated and the rate of weed kill was calculated according to the formula.
m=×100%
In the formula: m is a rate of killing grass, %
Hm death of a weed
Hn live weed count
2. Insecticide rate check calculation method. Check the pest killing rate according to the 11.3 killing rate check measurement method in this regulation, and calculate according to the formula.
C=×100%
In the formula: c, insecticidal rate, %
Z1 pest mortality
Z2 live insect rate
The injury rate of J3.3 is tested according to Appendix H3.3 of this standard. And check the killing rate and insecticide rate at the same time check the seedlings for harm and damage.
Joint harvesting quality inspection method
The range of K 1 is applicable to the quality inspection of wheat, rice and soybeans using a combine harvester.
K 2 detection tool
2 m tape, plastic sheet, balance, 50cm steel ruler, cloth bag.
K 3 detection method
K3.1 Harvest loss rate
a) investigate natural losses. Divide 3 to 5 points randomly along the diagonal line on the unharvested section. For each point of wheat, rice 1 m2, and soybean 2 m2, ground fall and heading were collected, and a natural weight loss of 1 m2 was calculated for the grain weight.
b) Loss of the header. Three points were taken randomly on the ground after cutting. Each point was lm in length. The width was equal to the width of the work. Wheat and rice were harvested for spikes and shatters. Soybeans were checked for pods and pods, and they were weighed after taking off the grains. The header loss rate.
Check the measurement calculation method.
a. Investigate natural losses. Divide 3-5 points randomly along the diagonal line on the unharvested sections, collect 1/2 liters of ground fall and heading for each point, and calculate the natural loss of square meters by the formula.
b. The loss of the header. Three points were taken randomly on the ground after cutting. The length of each point was 1m, and the width was equal to the width of the work. Ears and shatter were collected, and the seeds were weighed after being taken off. Calculate the header loss rate according to the formula.
E=
Where: E a natural loss, g/m2;
W each point of the fall of seed weight, g;
SE area of ​​each point and, m2.
Q1=-E
Where: Q1 loss of a header, g/m2;
The total amount of Q loss, g;
SE area of ​​each point and, m2.
P1=×100%
In the formula: P1 - header loss rate,%
H. The measured output, g/m.
K3.2 threshing loss rate
a) Non-stem returning operations testing method.
The general inspection method is to take lOcm long distance before the combine harvester and insert the benchmark at both ends. When the harvester knife reaches the front bar, one person directs the stem from the drafter at the same time, cleans the husk from the sieve, and discharges the grain from the grain outlet. When the knife enters the second bar, it stops picking up. The weight of the kernels was then weighed and converted into lOm×cutting area. Picking heads from the document-drawing device and removing the heads from the net, and taking off the grains, it is a net loss. The grains that are wrapped in the stems are lost in the stalks, and the grains that are wrapped in the mixed stalks are cleared. Loss of selection; the grains were weighed separately. Calculate the loss rate of each part according to the formula.
S1=×100%
S2=×100%
S3=×100%
S=S1+S2+S3
In the formula; W4 - total grain weight in the area, g;
W1 is not a net loss, g;
W2 stalk stalk loss, g;
W3 a loss of cleaning, g;
Loss of S1 net loss, %;
Loss rate of S2 stem bundles, %;
Loss rate of S3 clean election, %;
S-threshing loss rate,%.
b) Stem return field test
Stems returned to field inspection method to check the measurement calculation method. At a certain distance in front of the combine harvester, a length of 2m is to be drawn, which is wider than the stalk throw width and the wheat plants are set aside or covered with canvas. After passing through the machine, collect the grain wrapped in the area and weigh it. After subtracting the natural loss and the loss of the header (if the canvas is used, the natural loss is not reduced, the conversion is 1m. The loss of grain weight is divided by the output of 1 m2, and the production loss is calculated according to the number of production tests).
P2=×100%
In the formula: P2 a threshing loss rate,%;
Q-threshing loss, g/m2
H measured production number, g/m2.
K3.3 Comprehensive loss rate harvest loss rate + threshing loss rate = comprehensive loss rate
K3.4 The rate of grain breakage was randomly sampled from the grain box by 100 g, and the number of broken grains was weighed. Repeat three times and calculate the average breakage rate.
The K3.5 grain clean rate was randomly sampled from the grain box by 100 g, and the impurities were picked and weighed. Repeat 3 times to calculate the average clean rate.
K3.6 Mud-bean ratio The lOOg sample was taken from the grain outlet, and the soybeans with soil area ≥l/8 were selected and weighed, and repeated three times to calculate the mud-bean ratio.
Subsection harvesting operation quality inspection method
The L 1 range is suitable for the quality inspection of wheat, rice and soybean harvesting operations.
The L2 detection tool is the same as Annex K2 of this standard. . .
L 3 detection method
L3.1 Placement Take 5 to 7 points in the plot to determine the angle between the harvested crop and the harvesting direction and the laying thickness, and calculate the average value.
L3.2 Pick-up loss rate Pick up 3 points in the work site. After the pick-up operation, take 1m long (width equal to cut width) at the pick-up location, pick up and drop, drop, drop, and thresh weight. Calculate the pick-up loss rate.
Calculate the pick-up loss rate according to the formula:
Q2=
P2=×100%
Where: Q2 - amount of pick-up loss, g/m2;
Q3 a 1m long wheat shop loss of grain weight, g;
Bu - 1m long × cut width, m2;
P2 - Pickup loss rate, %;
Q1 - Header loss, g/m2.
L3.3 The loss rate of threshing is the same as Appendix K3 of this standard.
Corn harvesting quality inspection method
The M 1 range is suitable for the quality inspection of corn harvesting and corn ear harvesting.
The M 2 detection tool is the same as Appendix K 2 of this standard.
M 3 detection method
The M3.1 ear loss rate was randomly taken from the plot to 3 points, each point being 20m long, and the width was the machine work width. In the measuring point, collect the ear that has been missed and landed, weighed after threshing, and calculate the loss rate of the ear.
Ear loss rate check measurement calculation method. Randomly selected 3 points in the plot, each point is 20m long, and the width is the machine work width. Leakage and landing spikes were collected within the measuring points and weighed after threshing. Calculate the ear loss rate according to the formula.
Sg=×100%
In the formula. Sg-ear loss rate,%;
WP loss of ear grain weight, g;
WS measures actual production in the area.
The M3.2 grain loss rate includes both the loss of the ground kernel and the loss of entrainment of the grain of the loquat leaf.
a) Falling grain loss. Combined with the inspection of the loss of the ear, the weight of the fallen seeds was weighed and the rate of grain loss was calculated.
Grain loss rate check measurement calculation method. Combine with the detection of the loss rate of the ear to collect points, pick up the ground grains, and calculate the loss rate of the grain according to the formula.
SL=×100%
Among them: SL-grain loss rate,%;
Wq landed grain weight, g;
b) Lodging rate of the loquat leaf band. The eucalyptus leaves were taken from the discharge port of the loquat leaf, the grains of the loaf were pulled out and weighed, and the loss rate of the loquat leaf band was calculated.
Loquat leaf banding loss rate
Check the measurement calculation method. In the operation, 3 points were randomly selected, each point was 20m long. The grain outlet was connected to take out the grain from the ribbon and weighed. The loss rate of the loquat leaf band was calculated according to the formula.
Sb=×100%
In the formula: Sb-Loss leaf banding loss rate,%;
Wb a loquat leaf with grain weight, g.
M3.3 Foliar leaf stripping rate When the ear was harvested, 50 ears were picked from the exit of the spike elevator and more than 3 ears of the loquat leaf were harvested to calculate the net stripping rate of the loquat leaves.
Loquat leaf stripping rate
Check the measurement calculation method. From the outlet of the spike elevator, 50 ears were picked and more than 3 ears of the temporal lobe were picked up. Calculate the net stripping rate of loquat leaves according to the formula.
Cb=×100%
In the formula: Cb one-off leaf stripping rate,%;
Bw one unpeeled net ear number, one;
There are 50 Bs.
M3.4 Seed fragmentation rate When harvesting, the grain was taken from the grain outlet, 500g was sampled by the cross-section method, and the broken grains were picked out and repeated three times. Weigh the broken kernels and the weight of the seeds. Calculate the rate of grain breakage.
Test method for quality of stems and roots
The N 1 range is suitable for the quality inspection of wheat, corn stalk shredding and corn, and sorghum crushing operations.
N 2 detection tool
50cm steel ruler, 50m tape measure.
N 3 detection method
N3.1 root caries clearance rate was randomly selected from three points in the root shattered field, and i00 strains were measured at 2 points per line. After the operation, the number of uncleaned root pounds was determined and the root carcass clearance rate was calculated.
After the N3.2 crucible crushing qualification rate operation, 3 to 5 points were taken along the diagonal of the block, and each line was 2 lines and 10 m long. The length and width of the broken stem were measured. The broken roots that meet the standard length and width are collected and weighed, and the ratio of the total weight of the stalks to the total weight of the stalks in the survey area is calculated according to the formula.
N=×100%
In the formula: N-breakage pass rate,%;
G is a broken standard that meets the standard, kg;
The total stalk weight in the Q-measurement area was kg.
N3.3 Qualification rate of stalk shredding In the process of stalk shredding and returning to field, randomly pick up the sample from the disperser, 2.5kg of wheat crushing stems, 5kg of corn culm, repeated 3 times, and then Standard length stalks were weighed and the chopped pass rate was calculated using the N3.2 formula.
N3.4 Cultivate the depth of cultivation
a) In the process of cutting and returning to the ground, 3 points were randomly selected.
b) Insert markers on both sides of the measuring point before operation, and the height is equal to the height of the ridge.
c) After the operation, use the test line to pull the line as the measurement reference at the mark. Measure the distance from the bottom of the tillage layer to the reference distance.