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Crop coefficients
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Ebook "Practical problems in soil mechanics and foundation engineering - Volume 2" discusses the problems of weed control in sugarcane against the background of world-wide cultivation, with emphasis on Taiwan's intensive pattern of crop farming. After a brief botanical description of sugarcane and its cultivation in relation to weed control, the weeds themselves are studied. Chemical control of weeds, problems of crop tolerance and responses of weed species to chemicals are examined.
262p
dieptieuung
19-07-2023
5
3
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This thesis involves construction of input-output models measuring the economic impact of a farming innovation organisation (The Birchip Cropping Group) on the Victorian regional economy of Buloke Shire. The input-output modeling undertaken is of two forms; the first being a simple top-down model, and the second a more sophisticated hybrid model. The top-down model is based on input-output coefficients drawn from the Australian national input-output tables, and is regarded as because these input-output coefficients are not adjusted to take account of local economic factors.
278p
runthenight04
02-02-2023
1
1
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This study aimed to identify the effects of safflower genotypes for individual and combined effects of PEG 6000 and NaCl stress imposed at early seed germination stages, determine correlation coefficients among traits of safflower genotypes under stress treatments, and interpret the interrelationship of treatments × safflower genotypes interaction by principal component analysis.
12p
lyhuyenthu
31-01-2023
9
2
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Estimation of crop water requirement is essential for agricultural planning and irrigation scheduling. The aim of this study was to compute the water requirement of wheat and rice crops for all districts of Haryana. Climatic data on maximum and minimum temperature, rainfall, relative humidity, wind speed and solar radiation were used to estimate the reference evapotranspiration (ETo) at different gridded locations by using Penman Monteith method in MATLAB software.
7p
cothumenhmong11
11-05-2021
7
2
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The agro-meteorological indexes such as heat use efficiency (HUE) as well as photo thermal index (PTI) were also calculated as weather based parameters for assessing crop phenology.
10p
chauchaungayxua10
19-03-2021
17
2
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Horse gram is highly proteinaceous important food legume crop. The present study was conducted at IGKV, RMD CARS, research and instructional farm Ambikapur, during Kharif2019 using 24 genotypes of horse gram. The observation was recorded for eleven characters viz., days to 50% flowering, days to maturity, plant height, number of branches per plant, number of pods per plant, pod length, number of seed per pod, 100 seed weight, seed yield, biological yield and harvest index to study the correlation and path coefficient analysis.
7p
chauchaungayxua11
23-03-2021
19
2
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In India, the productivity of various crops is unstable mainly due to climatic factors, price volatility and resource availability. The pre-harvest forecasting of the crop productivity is a major priority to know about the market demand of the crops. The present study focused the ability of pre-harvest forecasting performance of stepwise regression method and the ARIMA method. In stepwise regression method, two approaches were developed namely (1) using week-wise original weather variable and (2) weather indices using correlation coefficient as weight.
10p
chauchaungayxua11
23-03-2021
10
1
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A field experiment was conducted under loamy sand soil during two consecutive Rabi seasons of 2016-17 and 2017-18 at Research Farm, Rajasthan Agricultural Research Institute, Sri Karan Narendra Agriculture University, Durgapura, Jobner.
5p
chauchaungayxua11
23-03-2021
11
2
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French bean and Pea are an important vegetable crop consumed by human being as green pods and dry seeds due to its high nutritive value as the source of the amino acid, lysine and tryptophan as well as provides valuable dietary protein in the human diet. Considering its use as a vegetable which fits well indifferent cropping systems, there is need for improvement and development of cultivars to specific agro ecological conditions. The knowledge of genetic diversity is an important tool for any breeding programme aimed to exploit hybrid vigour.
14p
chauchaungayxua11
23-03-2021
6
1
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The first picking yield becomes available after about 4 months of sowing the crop while its final harvesting is done after 6 months, the cotton yield forecast on this basis is feasible about 2 months before harvesting.
7p
gaocaolon9
22-12-2020
14
2
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Water logging and low application efficiency are main problems inherent with surface irrigation. The methods were surface, surface drip and subsurface drip irrigation with three level of irrigation 100, 80, 60% of potential evapo-transpiration were compared and contour map of soil moisture patterns were analysed for corn in two times; one before irrigation, and other at 48 h after irrigation. The distribution of water in soil profile for potato crop by subsurface drip irrigation system (SDI) studied and it was observed uniform and more yield for all treatments.
14p
gaocaolon9
22-12-2020
23
1
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The present study has thus been conducted to understand the attitude of the farmers towards crop insurance in the district of Coochbehar in West Bengal.
4p
trinhthamhodang9
16-12-2020
10
1
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Information on the extent of genetic variability and heritability as well as correlation among agronomical important traits is a requirement to design a suitable plant breeding method. The present research was conducted at ANDUAT, Ayodhya, India during the 2018-19 main crop growing season.
8p
trinhthamhodang1216
19-11-2020
8
2
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Black gram is a major pulse crop and a good source of proteins and minerals. Genotypic correlation and path coefficient analysis were used to determine the effect of various traits as components of seed yield in fifty black gram genotypes. Genotypic correlations were recorded higher as compared to corresponding phenotypic correlations for majority of the traits under study indicating that there was an inherent association between these characters at genotypic level.
7p
trinhthamhodang1216
19-11-2020
11
2
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Genetic variability, phenotypic and genotypic coefficient of variation, heritability and genetic advance was studied for eighty three turmeric genotypes collected from different sources of India including local collections.
7p
trinhthamhodang1216
19-11-2020
34
2
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The success of most crop improvement programs depends on variability and heritability of desirable traits. An investigation was carried out during kharif 2016 at Botanical garden, University of Agricultural Sciences, Dharwad, India to assess the extent of variability generated by hybridization and to estimate the heritability and genetic advance as percent of mean for seed cotton yield and its component traits in F2 generation of cross QTP 16 × ASa 151. The segregating population thus obtained was evaluated for eight quantitative traits.
6p
caygaocaolon8
07-11-2020
15
2
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Studies on genetic variability with the help of suitable biometrical tools such as coefficient of variability, heritability, and genetic advance become indispensable in breeding programmes for tangible results of desired values. To give a better insight of ancillary characters under selection, correlation and path coefficient analysis are the tools, which are being effectively used for determining the rate of various yield components in different crops, leading to the selection of superior genotypes.
12p
angicungduoc8
07-11-2020
19
2
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An experiment was conducted at All India Co-ordinated Research Project on Tuber crops, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Venkataramannagudem, Andhra Pradesh during the period 2015 to 2016 to investigate the interrelationship of yield related characters and extent of their contribution to tuber yield in cassava.
9p
angicungduoc8
07-11-2020
14
1
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Agriculture is an intrinsically risk industry. Sugarcane crop is grown as a important cash crop in all over the world and facing several risks in production and marketing. Present study focuses on the measurement of farm risk i.e. area, production, productivity and price for sugarcane production in Uttar Pradesh and Maharashtra. Coefficients of variation (CV) are used to analyze the production risk for both states.
6p
angicungduoc8
07-11-2020
5
1
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An experiment was conducted during kharif 2015 and 2016 at Agro met Research Farm of NDUAT as to basis the yield forecast Yield Forecast of rice crop in Eastern U.P. using simulation Model. The genetic coefficients were determined by the Decision Support System for Agro Technology Transfer (DSSAT) model using the identical management and other conditions as in the field experiment for three varieties of rice (Sarooj-52, NDR-359 and Swarna).
5p
nguathienthan8
20-10-2020
14
1
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