Crops and Cropping Systems

Yield and physiological characteristics were assessed in 22 horse gram genotypes. The genotype CRHG-22 recorded the highest yield and CRHG-4 recorded the lowest canopy temperature and highest SPAD value. Mutation was done using Ethyl methanesulfonate (EMS) in three released varieties and M1 generation is harvested on a single plant basis. Advancement of 9 F1 and 12 F2 generations were carried out in horse gram. About 200 kg of breeder seed was produced this year.

Evaluation of low-cost approaches for the management of Fall Army Worm (FAW), Spodoptera frugiperda in maize indicated that the mean incidence larval population was lower in chemical and integrated treatments and was more evident in maize +cowpea intercropping system than sole crop of maize.

In an experiment, to assess the effect of different levels of moisture stress on soil microbial as well as plant growth and physiological parameter, it was found that population of phosphorus solubilizing bacteria, free-living nitrogen-fixing bacteria and Pseudomonas spp. decreased as the level of soil moisture content depleted from 20.6 to 4.9 per cent.

In a study to identify the sustainable fodder based cropping system, the higher system productivity of 69445 kg/ha was obtained with sorghum + pigeon pea/hedge lucerne, followed by castor + hedge lucerne (62762 kg/ha). These systems provided green fodder for at least 8-9 months without any supplementary irrigation.

Seventeen maize hybrids and four checks were evaluated under rainfed conditions for drought tolerance, out of which SNJ201126/RJR385, SNJ201126/Z10115, HKI7660/SNJ201126, Z10115/HKI161, HKI161/SNJ201126 and Z10115/HKI7660 performed at par in terms of yield compared to commercial hybrids.

An automated thematic map-generating web tool TmapGen+ based on user input was developed using Streamlit to create thematic map in three steps on the fly.

Among the twelve different multi-purpose tree species (MPTS) agroforestry-based systems with finger millet as intercrop established at CRIDA, Dalbergia latifolia with staggered trenches enhanced the finger millet (KMR 301) grain yield, and stylos grown under Dalbergia latifolia intra- spaces without trenches produced maximum green fodder yield under rainfed conditions.

In an experiment on quantification and valuation of ecosystem services from agroforestry systems in different rainfed agro ecologies. The estimated amount of biomass kg/tree/year was (2.74), amount of carbon was (1.28) kg/year/tree and carbon dioxide absorption was (4.73) kg/year/tree in Melia dubia based agroforestry systems.